Sinotruk Howo Parts – CHINA TRUCK AND SPARE PARTS SUPPLIER https://deruna.com We are a first-class heavy duty vehicles and spare parts supplier in China. Sun, 15 Mar 2026 14:37:21 +0000 zh-Hans hourly 1 https://deruna.com/wp-content/uploads/2024/05/cropped-deruna-logo-512-32x32.webp Sinotruk Howo Parts – CHINA TRUCK AND SPARE PARTS SUPPLIER https://deruna.com 32 32 Genuine SINOTRUK HOWO AH1642.01303 Cabin – Rugged Comfort & Safety for Your Driver https://deruna.com/portfolio-item/howo-ah1642-01303 https://deruna.com/portfolio-item/howo-ah1642-01303#respond Sun, 15 Mar 2026 14:31:27 +0000 https://deruna.com/?post_type=portfolio&p=112532 […]]]>

Genuine SINOTRUK HOWO AH1642.01303 Cabin – Rugged Comfort & Safety for Your Driver

PART NO.:
AH1642.01303
Part Name:
Cabin
Russian Name:
Кабина

The cabin is the command center of your truck, providing a safe, comfortable environment for the driver while housing critical controls and instrumentation. The genuine SINOTRUK HOWO AH1642.01303 Cabin is an OEM‑grade component manufactured to exacting tolerances for a perfect fit and lasting durability. As a critical element of the trusted Sinotruk howo parts family, this cabin guarantees a seamless match with your truck’s chassis, superior structural integrity, and long‑term reliability. Engineered for HOWO heavy‑duty trucks, the AH1642.01303 unit withstands extreme vibrations, impacts, and weather conditions in mining, construction, and long‑haul applications.

AH1642.01303 Cabin English

Cabin

AH1642.01303 Cabin Russian

Кабина

AH1642.01303 Cabin Spanish

Cabina

Key Features of the SINOTRUK HOWO AH1642.01303 Cabin

The AH1642.01303 cabin is constructed from high‑strength, cold‑rolled steel with integrated reinforcement beams, ensuring maximum occupant protection in the event of a collision or rollover. Its precision‑stamped and welded contours exactly match the original factory design, guaranteeing a seamless fit with the chassis, doors, and front end assemblies. The cabin features all original mounting points for engine controls, HVAC, and wiring harnesses, simplifying installation.

A multi‑stage anti‑corrosion treatment is applied to the entire cabin shell. After forming, the steel is thoroughly cleaned, treated with a zinc‑phosphate coating, and then receives a cathodic electrocoat (e‑coat) primer. A durable, UV‑resistant topcoat is applied that matches the gloss and color of the original finish. This meticulous process ensures the AH1642.01303 cabin resists rust, chipping, and fading, maintaining its appearance and structural integrity for the life of the vehicle.

The interior is designed for driver comfort and efficiency, with pre‑cut openings for the dashboard, seats, and sleeper compartment (if applicable). Sound‑deadening material is factory‑installed to reduce noise and vibration. All glass openings are precisely dimensioned to accept original windshields and windows, ensuring a perfect seal and clear visibility.

Technical Specifications: SINOTRUK HOWO AH1642.01303 Cabin

The table below provides detailed technical specifications for the genuine SINOTRUK HOWO AH1642.01303 Cabin. This data is essential for verifying compatibility and performance characteristics.

Parameter Specification Details
OEM Part Number AH1642.01303 SINOTRUK HOWO Original Code
Cabin Type Wide‑body, single‑row or sleeper As per original application
Material Cold‑rolled steel (DQSK/DDQ grade) High strength, formable
Surface Finish Zinc‑phosphate + E‑coat + Topcoat Superior corrosion resistance
Overall Width 2500 mm (approx.) Varies by model year
Overall Depth 2300 mm (approx.) With sleeper extension
Overall Height 1900 mm (approx.) Without roof fairing
Weight (approx.) 650 kg Shell only, without interior
Mounting Type 4‑point hydraulic cab suspension Includes all mounting points
Compatible Models SINOTRUK HOWO 6×4, 8×4, Tractor, Dump Verify with chassis number
Included Hardware Mounting brackets, rubber isolators If specified

Installation & Compatibility Guide for AH1642.01303

Replacing or installing a cabin requires heavy lifting equipment and should be performed by trained technicians. Begin by safely supporting the vehicle frame and removing the old cabin after disconnecting all electrical, HVAC, and control linkages. Inspect the chassis mounting points and replace any worn isolators. Carefully lift the new AH1642.01303 cabin using a spreader bar and align it with the four cab mounts. Lower it slowly and loosely install the mounting bolts.

Once the cabin is resting on the mounts, check the alignment with the front end and doors. Adjust as necessary before tightening all bolts to the specified torque. Reconnect all wiring harnesses, hoses, and linkages, using new gaskets and seals where required. Refill coolant and air conditioning if disconnected. The AH1642.01303 cabin is a direct OEM replacement for SINOTRUK HOWO models; always verify compatibility by matching the part number with your vehicle’s service manual.

Pro Tip

Before final tightening, apply anti‑seize compound to the mounting bolts to prevent future corrosion. Use a coat of wax on the new paint finish for added protection. After installation, verify door gaps and adjust hinges if needed.

Benefits of Genuine SINOTRUK HOWO AH1642.01303 Cabin

Superior Occupant Protection

The AH1642.01303 cabin features integrated roll bars and reinforced pillars, meeting stringent ECE R29 crash safety standards. Your driver is protected in the event of a rollover or impact.

Perfect Finish Match

The factory‑applied topcoat matches the gloss and color of your original HOWO, eliminating the need for painting and ensuring a seamless, professional appearance.

Reduced Downtime

Using a genuine OEM cabin guarantees a bolt‑on fit with no modifications required, significantly reducing installation time and getting your truck back on the road faster.

Enhanced Comfort

Pre‑installed sound deadening and precisely fitted seals reduce noise and drafts, creating a quieter, more comfortable environment for long‑haul drivers.

When to Replace with the AH1642.01303 Cabin

A damaged cabin compromises safety and can lead to further structural issues. Common reasons for replacement include collision damage, severe rust perforation, cracks from fatigue, or cab tilt mechanism failure. During inspections, check for misaligned doors, water leaks, visible corrosion on the floor or pillars, and cracks in the A‑pillar or roof. If the cabin has been in a significant accident, even if repairable, replacement with a genuine AH1642.01303 cabin is often the safest and most cost‑effective solution.

Ignoring a damaged cabin can lead to progressive weakening, increased noise, and potential injury in a subsequent incident. Replacing it promptly with a genuine AH1642.01303 restores the truck’s structural integrity and driver safety.

Maintenance Practices for Cabin Longevity

To maximize the life of your AH1642.01303 cabin, wash it regularly to remove road salt and abrasive dirt. Inspect the underside and hidden cavities for mud buildup that can trap moisture. Touch up any stone chips promptly with matching paint to prevent rust from starting. Lubricate door hinges, latches, and cab suspension pivots periodically. Check weatherstripping for tears or compression set and replace if necessary to maintain a good seal.

Ensure the cab mounting bolts remain tight to prevent excessive movement and fatigue cracks. During winter, consider an underbody wash to remove salt from the cab floor and mounts. Always use genuine SINOTRUK HOWO replacement parts for any repairs. Following these practices will help your truck maintain its professional appearance and structural integrity.

Why OEM Quality Matters: The AH1642.01303 Advantage

Generic aftermarket cabins often use thinner steel, inferior coatings, and inaccurate stamping dies, leading to poor fit, premature rust, and reduced crash safety. The genuine SINOTRUK HOWO AH1642.01303 cabin is engineered to the exact specifications of your truck’s chassis, ensuring correct lines, mounting, and corrosion protection. It is manufactured under strict quality controls using the same tooling and materials as the original part fitted at the factory.

By choosing the authentic part, you protect your investment, ensure driver safety, and maintain your truck’s value and rugged appearance for years to come. For fleet managers and owner‑operators who demand the best, the genuine AH1642.01303 is the only responsible choice.

The AH1642.01303 Cabin is part of SINOTRUK’s comprehensive line of genuine cab body parts. Whether you operate in extreme cold, desert heat, or humid coastal environments, this cabin delivers dependable performance. Its robust construction resists corrosion and impact, providing peace of mind for every journey. Always insist on genuine parts to keep your HOWO running at its best.

For workshops and service centers, stocking the genuine AH1642.01303 ensures that every cab replacement meets the highest standards. Customers will appreciate the perfect fit, smooth operation, and long service life. With the AH1642.01303, you are not just replacing a shell—you are restoring the safety and comfort of the entire vehicle.

Remember, the cabin is crucial for driver safety and comfort. Using genuine SINOTRUK HOWO parts like the AH1642.01303 is an investment in reliability, performance, and operational efficiency. Trust the original, trust the AH1642.01303.

Related Products

Customer Visit

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Kenya Truck Parts Collaboration: DERUNA Empowers Local Distributors to Deepen Presence in Chinese Heavy-Duty Truck Market

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2025-09-25

Strategic Expansion: Howo Parts Niger Partnership Strengthened by Client Visit to DERUNA

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Genuine SINOTRUK HOWO WG9725190122/103 Air Filter Element – Clean Air, Maximum Power https://deruna.com/portfolio-item/howo-wg9725190122-103 https://deruna.com/portfolio-item/howo-wg9725190122-103#respond Sun, 15 Mar 2026 14:18:45 +0000 https://deruna.com/?post_type=portfolio&p=112531 […]]]>

Genuine SINOTRUK HOWO WG9725190122/103 Air Filter Element – Clean Air, Maximum Power

PART NO.:
WG9725190122/103
Part Name:
Air Filter Element
Russian Name:
Элемент воздушного фильтра

The air filter element is the first line of defense for your engine, trapping harmful dust, soot, and debris before they can cause wear. The genuine SINOTRUK HOWO WG9725190122/103 Air Filter Element is an OEM‑grade component manufactured to exacting tolerances for a perfect fit and lasting durability. As a critical element of the trusted Sinotruk howo parts family, this filter guarantees superior filtration efficiency, high dust‑holding capacity, and long service life. Engineered for HOWO heavy‑duty trucks, the WG9725190122/103 unit withstands extreme operating conditions in mining, construction, and long‑haul applications, ensuring your engine breathes clean air for maximum power and longevity.

WG9725190122/103 Air Filter Element English

Air Filter Element

WG9725190122/103 Air Filter Element Russian

Воздушный фильтр

WG9725190122/103 Air Filter Element Spanish

Elemento del filtro de aire

Key Features of the SINOTRUK HOWO WG9725190122/103 Air Filter Element

The WG9725190122/103 air filter element utilizes a high‑efficiency multi‑layer cellulose/synthetic blend media that captures over 99.5% of airborne contaminants down to 5 microns. The pleated design maximizes surface area, providing exceptional dust‑holding capacity and extended service intervals. A layer of coarse fibers on the intake side pre‑filters larger particles, prolonging the life of the main filter media.

The filter element is encased in a robust polyurethane or metal frame (depending on variant) that ensures dimensional stability and a perfect seal within the air cleaner housing. The integrated gasket, made from oil‑resistant foam, prevents unfiltered air from bypassing the element, guaranteeing that only clean air enters the engine. The media is pleated with high‑temperature adhesive beads to maintain pleat spacing even under high airflow.

Each WG9725190122/103 element is tested for flow restriction and filtration efficiency at the factory. The media is treated with a flame‑retardant and moisture‑resistant coating, making it suitable for all climates. The element is designed to withstand the severe vibration and pressure pulsations found in turbocharged diesel engines, ensuring reliable performance throughout its life.

Technical Specifications: SINOTRUK HOWO WG9725190122/103 Air Filter Element

The table below provides detailed technical specifications for the genuine SINOTRUK HOWO WG9725190122/103 Air Filter Element. This data is essential for verifying compatibility and performance characteristics.

Parameter Specification Details
OEM Part Number WG9725190122/103 SINOTRUK HOWO Original Code
Product Name Air Filter Element Primary engine air filter
Filtration Media Multi‑layer cellulose / synthetic blend High dust‑holding capacity
Filtration Efficiency ≥ 99.5% at 5 microns ISO 5011 tested
Outer Diameter 295 mm (approx.) Varies by application
Inner Diameter 170 mm (approx.) Fits standard housing
Height 350 mm (approx.) Pleated media height
Frame Material Polyurethane / Metal (as per OEM) Integral sealing gasket
Max Airflow 800 m³/h At initial restriction
Weight (approx.) 1.2 kg Element only
Compatible Models HOWO 6×4, 8×4, Tractor, Dump (various years) Verify with housing type

Installation & Compatibility Guide for WG9725190122/103

Replacing the air filter element is a simple yet critical maintenance task. Begin by safely parking the vehicle and turning off the engine. Open the engine compartment and locate the air cleaner housing. Unclip or unbolt the housing cover. Carefully remove the old WG9725190122/103 filter element, noting its orientation. Clean the inside of the housing with a damp cloth to remove any loose dust.

Inspect the new element for any shipping damage. Insert it into the housing, ensuring it seats properly and the gasket forms a continuous seal. Reinstall the housing cover, tightening any fasteners evenly. The WG9725190122/103 element is a direct OEM replacement for SINOTRUK HOWO trucks equipped with the corresponding air cleaner assembly. Always verify compatibility by checking your vehicle’s service manual or the part number on the old filter.

Pro Tip

Always replace the air filter element before the recommended service interval if operating in dusty environments. After installation, reset the air filter restriction indicator if your vehicle is equipped with one. A clean filter can improve fuel economy by up to 5%.

Benefits of Genuine SINOTRUK HOWO WG9725190122/103 Air Filter Element

Superior Engine Protection

The high‑efficiency media of the WG9725190122/103 stops abrasive particles from entering the engine, reducing wear on cylinders, pistons, rings, and bearings. This extends engine life and maintains compression.

Optimized Airflow

The pleated design and low‑restriction media ensure that the engine receives the air it needs for complete combustion. This translates to better throttle response, increased power, and lower fuel consumption.

Reduced Emissions

Clean air is essential for proper combustion. By ensuring the engine breathes clean air, this filter helps minimize unburned hydrocarbons and particulate emissions, keeping your truck environmentally compliant.

Long Service Intervals

Thanks to its high dust‑holding capacity, the genuine filter often lasts as long as the OEM recommended interval, reducing maintenance downtime and the frequency of replacements.

When to Replace with the WG9725190122/103 Air Filter Element

A clogged or damaged air filter element can significantly degrade engine performance. Common indicators that the WG9725190122/103 needs replacement include black smoke from the exhaust, loss of power, increased fuel consumption, a illuminated air filter restriction indicator (if equipped), and visible dirt or damage on the filter media. During routine inspections, hold the filter up to a light; if you cannot see light through the pleats, it is time to replace it.

Ignoring a dirty air filter can lead to increased engine wear, turbocharger damage, and even premature engine failure due to ingested debris. Replacing it promptly with a genuine WG9725190122/103 element restores engine performance and protects your investment. Always inspect the air intake system for leaks or damage when changing the filter.

Maintenance Practices for Air Filter Element Longevity

To maximize the life of your WG9725190122/103 air filter element, perform regular visual inspections, especially in dusty conditions. Do not attempt to clean the element by tapping or using compressed air, as this can damage the media and create pinholes. Follow the recommended service intervals in your HOWO owner’s manual. When operating in extremely dusty environments (e.g., construction, mining), consider reducing the change interval by half.

Ensure that all air intake ducting and clamps are tight to prevent unfiltered air from entering the engine. Replace the filter if it becomes oil‑soaked (indicating a turbocharger seal leak) or physically damaged. Always use genuine SINOTRUK HOWO replacement filters to guarantee correct fit and filtration performance. Following these practices will help your engine breathe clean air for hundreds of thousands of kilometers.

Why OEM Quality Matters: The WG9725190122/103 Advantage

Generic aftermarket air filters often use inferior media with lower efficiency and lower dust‑holding capacity, leading to premature engine wear. They may also have incorrect gaskets, causing air bypass and contamination. The genuine SINOTRUK HOWO WG9725190122/103 air filter element is engineered to the exact specifications of your engine’s air intake system, ensuring proper fit, seal, and filtration performance. It is manufactured under strict quality controls using the same media and processes as the original part fitted at the factory.

By choosing the authentic WG9725190122/103, you protect your engine from abrasive wear, maintain fuel efficiency, and ensure reliable operation. For fleet managers and owner‑operators who demand the best, the genuine WG9725190122/103 is the only responsible choice.


The WG9725190122/103 Air Filter Element is part of SINOTRUK’s comprehensive line of genuine engine protection components. Whether you operate in extreme cold, desert heat, or humid coastal environments, this filter delivers dependable performance. Its robust construction resists moisture and ensures consistent airflow, providing peace of mind for every journey. Always insist on genuine parts to keep your HOWO running at its best.

For workshops and service centers, stocking the genuine WG9725190122/103 ensures that every air filter replacement meets the highest standards. Customers will appreciate the engine protection, long service life, and improved fuel economy. With the WG9725190122/103, you are not just replacing a filter—you are safeguarding the engine.

Remember, clean air is essential for engine health. Using genuine SINOTRUK HOWO parts like the WG9725190122/103 is an investment in reliability, performance, and operational efficiency. Trust the original, trust the WG9725190122/103.

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Customer Visit

2025-09-28

Kenya Truck Parts Collaboration: DERUNA Empowers Local Distributors to Deepen Presence in Chinese Heavy-Duty Truck Market

DERUNA strengthens its partnership with Kenyan distributors of Howo, Shacman, and FAW trucks. This visit confirmed the high quality of our Kenya Trucks Parts and paved the way for expanding the supply of reliable components to the Kenyan market.
2025-09-25

Strategic Expansion: Howo Parts Niger Partnership Strengthened by Client Visit to DERUNA

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2025-09-25

Boost Your Fleet: Howo Parts Mozambique Success with DERUNA

A leading Mozambican parts intermediary visited DERUNA, expressing high satisfaction with HOWO and Shacman parts. We reviewed local sales data and planned future cooperation for optimal Howo Parts Mozambique supply.
2025-09-24

Strengthening the Partnership: DERUNA Hosts Krasnoyarsk’s Premier HOWO Parts Distributor

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2025-09-23

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Strengthening Mining Operations: DERUNA Welcomes Mauritanian Mining Company for Strategic Partnership Review

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Genuine SINOTRUK HOWO WG9725536046 Rubber Hose For Expansion Tank – Reliable Coolant Flow & Engine Protection https://deruna.com/portfolio-item/howo-wg9725536046 https://deruna.com/portfolio-item/howo-wg9725536046#respond Sun, 15 Mar 2026 14:15:37 +0000 https://deruna.com/?post_type=portfolio&p=112530 […]]]>

Genuine SINOTRUK HOWO WG9725536046 Rubber Hose For Expansion Tank – Reliable Coolant Flow & Engine Protection

PART NO.:
WG9725536046
Part Name:
Rubber Hose For Expansion Tank
Russian Name:
Резиновый шланг для расширительного бачка

The rubber hose for the expansion tank is a critical component that connects the coolant reservoir to the radiator, allowing coolant expansion and contraction while maintaining system pressure. The genuine SINOTRUK HOWO WG9725536046 Rubber Hose For Expansion Tank is an OEM‑grade component manufactured to exacting tolerances for a perfect fit and lasting durability. As a critical element of the trusted Sinotruk howo parts family, this hose guarantees a leak‑free connection, superior resistance to heat and coolant, and long‑term reliability. Engineered for HOWO heavy‑duty trucks, the WG9725536046 hose withstands extreme temperatures, vibration, and pressure cycles in mining, construction, and long‑haul applications. Its robust construction ensures your engine stays properly cooled and protected.

WG9725536046 Rubber Hose For Expansion Tank English

Rubber Hose For Expansion Tank

WG9725536046 Rubber Hose For Expansion Tank Russian

Резиновый шланг расширительного бачка

WG9725536046 Rubber Hose For Expansion Tank Spanish

Manguera de goma para tanque de expansión

Key Features of the SINOTRUK HOWO WG9725536046 Rubber Hose For Expansion Tank

The WG9725536046 rubber hose is manufactured from high‑grade EPDM rubber, specifically formulated to resist degradation from ethylene glycol‑based coolants, ozone, and high underhood temperatures. This material remains flexible even at -40°C and maintains its integrity at continuous operating temperatures up to 120°C, ensuring reliable performance in all climates.

A multi‑layer reinforcement with high‑tenacity polyester yarn provides exceptional burst strength and resistance to pressure pulses from the cooling system. The hose is designed to withstand pressures up to 3 bar, preventing swelling or rupture even under extreme engine load. Its smooth inner bore minimizes flow restriction and prevents turbulence that could lead to cavitation.

The WG9725536046 hose is precision‑molded to match the exact routing of the original equipment, including all necessary bends and curves. Integrated sealing beads at each end ensure a tight, leak‑proof fit with the expansion tank and radiator connections. Every hose is factory‑tested for dimensional accuracy and structural integrity, guaranteeing a perfect fit without modification.

Technical Specifications: SINOTRUK HOWO WG9725536046 Rubber Hose For Expansion Tank

The table below provides detailed technical specifications for the genuine SINOTRUK HOWO WG9725536046 Rubber Hose For Expansion Tank. This data is essential for verifying compatibility and performance characteristics.

Parameter Specification Details
OEM Part Number WG9725536046 SINOTRUK HOWO Original Code
Product Name Rubber Hose For Expansion Tank Coolant overflow/return hose
Material EPDM rubber with polyester reinforcement Heat, ozone, and coolant resistant
Inner Diameter 16 mm (approx.) Matches standard expansion tank ports
Overall Length 450 mm (approx.) Center to center, shaped
Wall Thickness 3.5 mm Reinforced construction
Working Pressure 1.5 bar Adequate for cooling system pressure
Burst Pressure > 6 bar High safety margin
Temperature Range -40°C to +120°C Continuous operation
Sealing Beads Integral molded beads Prevent hose slippage
Weight (approx.) 0.15 kg Lightweight, easy handling
Compatible Models SINOTRUK HOWO 6×4, 8×4, Tractor, Dump (select years) Verify with original hose routing

Installation & Compatibility Guide for WG9725536046

Replacing the expansion tank hose is a simple procedure that can be completed with basic hand tools. Allow the engine to cool completely and relieve cooling system pressure by slowly removing the radiator cap. Using pliers or a screwdriver, loosen the clamps at each end of the old hose. Carefully twist and pull the hose to detach it from the expansion tank and radiator nipple. Inspect the nipples for any cracks or corrosion.

Before installing the new WG9725536046 hose, apply a small amount of coolant to the inside of the ends to ease installation. Slide the hose fully onto the nipples, ensuring the sealing beads seat properly. Position the hose so that it is not kinked or twisted and has adequate clearance from hot or moving parts. Reinstall the clamps and tighten them securely. Refill the cooling system as necessary and check for leaks. The WG9725536046 hose is a direct OEM replacement for SINOTRUK HOWO trucks; always verify routing and diameter by comparing with the original part.

Pro Tip

Use constant‑torque clamps (spring‑loaded or worm‑drive) to maintain a secure seal as the hose expands and contracts with temperature. After installation, run the engine to operating temperature and recheck for leaks.

Benefits of Genuine SINOTRUK HOWO WG9725536046 Rubber Hose For Expansion Tank

Reliable Coolant Seal

The precision‑molded ends and integral sealing beads of the WG9725536046 hose ensure a leak‑free connection, preventing coolant loss and potential engine overheating.

Extreme Temperature Resistance

EPDM rubber maintains flexibility and strength from -40°C to +120°C, ensuring reliable performance in both arctic winters and desert heat.

Long Service Life

The multi‑ply reinforcement and ozone‑resistant compound resist cracking, hardening, and collapsing for hundreds of thousands of kilometers, reducing maintenance intervals.

Cost‑Effective Protection

Using a genuine OEM hose prevents costly engine damage caused by coolant leaks and overheating. It’s a small investment for long‑term reliability.

When to Replace with the WG9725536046 Rubber Hose

Over time, rubber hoses can deteriorate due to heat cycling, coolant exposure, and ozone. Common indicators that the WG9725536046 hose needs replacement include visible cracks, swelling, or soft spots; coolant residue or crusting around connections; a collapsed or flattened section; and a sweet smell of coolant indicating a slow leak. If the hose feels hard and brittle or excessively soft and tacky, it should be replaced immediately.

Ignoring a damaged expansion tank hose can lead to sudden coolant loss, engine overheating, and potential head gasket failure. Replacing it promptly with a genuine WG9725536046 hose restores cooling system integrity and protects your HOWO’s engine.

Maintenance Practices for Expansion Tank Hose Longevity

To extend the life of your WG9725536046 rubber hose, regularly inspect it for signs of wear during routine coolant level checks. Keep the engine compartment clean to prevent oil and fuel from contaminating the rubber. Ensure the hose is properly routed and not in contact with sharp edges or hot exhaust components. When replacing coolant, use the recommended type and concentration to avoid chemical attack on the hose.

Check that all clamps are tight but not over‑tightened, which can cut the hose. If you operate in extreme environments, consider inspecting the hose more frequently. Following these practices will help your WG9725536046 hose provide reliable service for years.

Why OEM Quality Matters: The WG9725536046 Advantage

Generic aftermarket hoses often use inferior rubber compounds that harden quickly, lack proper reinforcement, and have incorrect dimensions, leading to premature failure, leaks, and potential engine damage. The genuine SINOTRUK HOWO WG9725536046 rubber hose is engineered to the exact specifications of your truck’s cooling system, ensuring correct flexibility, pressure rating, and fit. It is manufactured under strict quality controls using the same materials and processes as the original part fitted at the factory.

By choosing the authentic WG9725536046, you protect your investment, maintain engine cooling efficiency, and ensure reliable operation in the harshest environments. For fleet managers and owner‑operators who demand the best, the genuine WG9725536046 is the only responsible choice.


The WG9725536046 Rubber Hose For Expansion Tank is part of SINOTRUK’s comprehensive line of genuine cooling system components. Whether you operate in extreme cold, desert heat, or humid coastal environments, this hose delivers dependable performance. Its robust construction resists coolant degradation and thermal stress, providing peace of mind for every journey. Always insist on genuine parts to keep your HOWO running at its best.

For workshops and service centers, stocking the genuine WG9725536046 ensures that every cooling system repair meets the highest standards. Customers will appreciate the leak‑free connections, long service life, and reliable engine protection. With the WG9725536046, you are not just replacing a hose—you are safeguarding the engine’s cooling system.

Remember, a properly maintained cooling system is essential for engine health. Using genuine SINOTRUK HOWO parts like the WG9725536046 is an investment in reliability, performance, and operational efficiency. Trust the original, trust the WG9725536046.

Related Products

Customer Visit

2025-09-28

Kenya Truck Parts Collaboration: DERUNA Empowers Local Distributors to Deepen Presence in Chinese Heavy-Duty Truck Market

DERUNA strengthens its partnership with Kenyan distributors of Howo, Shacman, and FAW trucks. This visit confirmed the high quality of our Kenya Trucks Parts and paved the way for expanding the supply of reliable components to the Kenyan market.
2025-09-25

Strategic Expansion: Howo Parts Niger Partnership Strengthened by Client Visit to DERUNA

DERUNA hosted a client from Niger specializing in Howo Parts Niger. The visit, fueled by the client's positive experience, led to a new合作 plan with customized parts recommendations for the Niger market.
2025-09-25

Boost Your Fleet: Howo Parts Mozambique Success with DERUNA

A leading Mozambican parts intermediary visited DERUNA, expressing high satisfaction with HOWO and Shacman parts. We reviewed local sales data and planned future cooperation for optimal Howo Parts Mozambique supply.
2025-09-24

Strengthening the Partnership: DERUNA Hosts Krasnoyarsk’s Premier HOWO Parts Distributor

Strengthening the Partnership: DERUNA Welcomes the Distributor of Howo Parts Krasnoyarsk for a Strategic Review.
2025-09-23

Building the Future: DERUNA Welcomes Bangladeshi Road Construction Leader for Equipment Review and Strategic Planning

Building the Future: DERUNA Hosts XCMG Shantui Equipment Bangladesh Review with Strategic Partner.
2025-09-23

Strengthening Mining Operations: DERUNA Welcomes Mauritanian Mining Company for Strategic Partnership Review

Strengthening Mining Operations: DERUNA Welcomes Mauritanian Mining Company to Review HOWO Dump Truck and XCMG Excavator Partnership.

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Genuine SINOTRUK HOWO 1003185665 Air Compressor – Reliable Air Supply for Brake Systems https://deruna.com/portfolio-item/howo-1003185665 https://deruna.com/portfolio-item/howo-1003185665#respond Sun, 15 Mar 2026 14:01:23 +0000 https://deruna.com/?post_type=portfolio&p=112529 […]]]>

Genuine SINOTRUK HOWO 1003185665 Air Compressor – Reliable Air Supply for Brake Systems

PART NO.:
1003185665
Part Name:
Air Compressor
Russian Name:
Воздушный компрессор

The air compressor is a vital component that supplies compressed air to the brake system, suspension, and other pneumatic accessories on your heavy‑duty truck. The genuine SINOTRUK HOWO 1003185665 Air Compressor is an OEM‑grade component manufactured to exacting tolerances for a perfect fit and lasting durability. As a critical element of the trusted Sinotruk howo parts family, this air compressor guarantees consistent air delivery, superior wear resistance, and long‑term reliability. Engineered for HOWO heavy‑duty trucks, the 1003185665 unit withstands extreme pressures, temperatures, and operating conditions in mining, construction, and long‑haul applications. Its robust construction ensures your brake system always has the air pressure needed for safe operation.

1003185665 Air Compressor English

Air Compressor

1003185665 Air Compressor Russian

Воздушный компрессор

1003185665 Air Compressor Spanish

Compresor de aire

Key Features of the SINOTRUK HOWO 1003185665 Air Compressor

The 1003185665 air compressor features a single‑cylinder, reciprocating piston design optimized for heavy‑duty commercial vehicles. The cylinder and head are made from high‑strength cast iron with precision‑honed surfaces, ensuring excellent compression and long service life. The piston is fitted with durable rings that resist wear even under continuous high‑load operation.

An integrated unloader valve efficiently controls air delivery, reducing parasitic drag on the engine when the air system is at full pressure. The compressor is gear‑driven directly from the engine, ensuring reliable operation without belts that can slip or wear. All internal components are splash‑lubricated by the engine oil, simplifying maintenance and ensuring proper lubrication at all times.

Every 1003185665 compressor is factory‑tested for output, pressure build‑up time, and leak tightness. It meets or exceeds original equipment specifications, guaranteeing that your HOWO’s air system will maintain the required pressure for brakes and accessories. The compressor comes with all necessary mounting hardware and gaskets for a straightforward installation.

Technical Specifications: SINOTRUK HOWO 1003185665 Air Compressor

The table below provides detailed technical specifications for the genuine SINOTRUK HOWO 1003185665 Air Compressor. This data is essential for verifying compatibility and performance characteristics.

Parameter Specification Details
OEM Part Number 1003185665 SINOTRUK HOWO Original Code
Product Name Air Compressor Single cylinder, reciprocating
Displacement 360 cc/rev Delivers high air volume
Max Working Pressure 12.5 bar (180 psi) Suitable for all air systems
Cylinder Bore 80 mm Cast iron, honed
Piston Stroke 38 mm Optimized for efficiency
Lubrication Engine oil splash No separate oil supply needed
Drive Type Gear drive (from engine timing gear) No belts
Unloader Valve Integrated, pressure‑controlled Reduces load when system is full
Weight (approx.) 14.5 kg Complete assembly
Compatible Engines SINOTRUK HOWO WD615, D10, D12 series Verify engine serial number

Installation & Compatibility Guide for 1003185665

Installing the 1003185665 air compressor requires mechanical skill and attention to detail. Begin by disconnecting the battery and draining the engine coolant if the compressor is coolant‑cooled (some variants). Remove the old compressor after cleaning the area to prevent debris from entering the engine. Transfer any fittings, adapters, or sensors to the new unit.

Ensure the engine is at top dead center for the cylinder that drives the compressor gear. Install a new gasket and position the compressor, engaging the drive gear. Tighten mounting bolts to the specified torque in a crisscross pattern. Reconnect the air lines and coolant hoses using new seals. Before starting the engine, prime the compressor by pouring a small amount of clean engine oil into the inlet port. Start the engine and check for leaks and proper pressure build‑up. The 1003185665 is a direct OEM replacement for SINOTRUK HOWO engines; always verify compatibility with your engine model.

Pro Tip

Always replace the air dryer filter element when installing a new compressor to prevent contamination from entering the new unit. After installation, adjust the governor cut‑in and cut‑out pressures to ensure the system cycles correctly.

Benefits of Genuine SINOTRUK HOWO 1003185665 Air Compressor

Reliable Air Supply

The 1003185665 compressor delivers a steady flow of compressed air to maintain brake pressure, even under frequent braking or accessory use. This ensures your truck stops safely every time.

Long Service Life

With cast‑iron construction and robust internal components, this compressor is built to last over 500,000 km under normal conditions. It resists wear and tear from continuous operation, reducing replacement intervals.

Efficient Operation

The integrated unloader valve reduces engine load when the air system is at pressure, improving fuel economy and reducing wear on the compressor drive gear.

Lower Maintenance Costs

A genuine OEM compressor eliminates the risk of premature failure that can lead to costly downtime and repairs. It also helps maintain the integrity of the entire air system, from dryer to brake chambers.

When to Replace with the 1003185665 Air Compressor

Over time, air compressors can wear out due to continuous operation and contamination. Common indicators that the 1003185665 needs replacement include slow pressure build‑up, excessive oil carry‑over into the air system (leading to wet brake reservoirs), loud knocking noises from the compressor area, and visible oil leaks. If the compressor fails to maintain adequate pressure or cycles too frequently, it may be time for a replacement.

Ignoring a failing air compressor can lead to brake system malfunctions, increased risk of accidents, and damage to other components like the air dryer and valves. Replacing it promptly with a genuine 1003185665 restores proper air delivery and ensures your HOWO remains safe and compliant.

Maintenance Practices for Air Compressor Longevity

To extend the life of your 1003185665 air compressor, ensure the engine air filter is clean and the intake system is free of restrictions. Contaminated air can accelerate cylinder and ring wear. Check and replace the air dryer desiccant and filter at recommended intervals to prevent moisture and debris from entering the compressor. Maintain proper engine oil level and quality, as the compressor shares engine oil.

Inspect the compressor drive gear and mounting bolts for tightness during routine maintenance. If the compressor is coolant‑cooled, check for coolant leaks and ensure proper flow. Following these practices will help your 1003185665 compressor deliver reliable service for hundreds of thousands of kilometers.

Why OEM Quality Matters: The 1003185665 Advantage

Generic aftermarket air compressors often use inferior castings, substandard piston rings, and inaccurate machining, leading to poor performance, oil leakage, and premature failure. The genuine SINOTRUK HOWO 1003185665 air compressor is engineered to the exact specifications of your truck’s engine and air system, ensuring correct output, fit, and durability. It is manufactured under strict quality controls using the same materials and processes as the original part fitted at the factory.

By choosing the authentic 1003185665, you protect your investment, maintain brake system reliability, and ensure compliance with safety standards. For fleet managers and owner‑operators who demand the best, the genuine 1003185665 is the only responsible choice.


The 1003185665 Air Compressor is part of SINOTRUK’s comprehensive line of genuine engine and chassis components. Whether you operate in extreme cold, desert heat, or humid coastal environments, this compressor delivers dependable performance. Its robust construction resists wear and corrosion, providing peace of mind for every journey. Always insist on genuine parts to keep your HOWO running at its best.

For workshops and service centers, stocking the genuine 1003185665 ensures that every air system repair meets the highest standards. Customers will appreciate the reliable brake performance, quiet operation, and extended service life. With the 1003185665, you are not just replacing a compressor—you are safeguarding the vehicle’s braking capability.

Remember, a properly functioning air compressor is essential for safe braking. Using genuine SINOTRUK HOWO parts like the 1003185665 is an investment in reliability, performance, and operational efficiency. Trust the original, trust the 1003185665.

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Genuine SINOTRUK HOWO WG9731540091 Exhaust Pipe – Optimal Flow & Durability https://deruna.com/portfolio-item/howo-wg9731540091 https://deruna.com/portfolio-item/howo-wg9731540091#respond Sun, 15 Mar 2026 13:33:44 +0000 https://deruna.com/?post_type=portfolio&p=112538 […]]]>

Genuine SINOTRUK HOWO WG9731540091 Exhaust Pipe – Optimal Flow & Durability

PART NO.:
WG9731540091
Part Name:
Exhaust Pipe
Russian Name:
Выпускной трубопровод

The exhaust pipe is a critical component of your truck’s emission and performance system, directing exhaust gases away from the engine while minimizing back pressure. The genuine SINOTRUK HOWO WG9731540091 Exhaust Pipe is an OEM‑grade component manufactured to exacting tolerances for a perfect fit and lasting durability. As a critical element of the trusted Sinotruk howo parts family, this exhaust pipe guarantees seamless integration with your HOWO’s exhaust system, superior corrosion resistance, and long‑term structural integrity. Made from heavy‑gauge aluminized steel, the WG9731540091 unit withstands extreme temperatures, vibration, and road debris, ensuring your truck runs efficiently and meets emission standards. Precision‑bent to match the original factory routing, it maintains optimal exhaust flow, reducing back pressure and improving fuel economy.

WG9731540091 Exhaust Pipe English

Exhaust Pipe

WG9731540091 Exhaust Pipe Russian

Выхлопная труба

WG9731540091 Exhaust Pipe Spanish

Tubo de escape

Key Features of the SINOTRUK HOWO WG9731540091 Exhaust Pipe

The WG9731540091 exhaust pipe is constructed from heavy‑gauge aluminized steel, providing excellent resistance to rust and high‑temperature oxidation. The material is specifically chosen to withstand the corrosive condensates formed during combustion, ensuring a long service life even in harsh environments. Its mandrel‑bent design maintains a consistent inner diameter throughout the bends, minimizing flow restriction and reducing back pressure.

Each WG9731540091 pipe is precision‑formed to match the exact contours of the original HOWO exhaust system. This ensures a perfect fit with the exhaust manifold, catalytic converter, and muffler, eliminating the need for modifications. The pipe includes all original mounting brackets and flanges, simplifying installation and guaranteeing proper alignment with hangers and heat shields.

The pipe’s surface is coated with a high‑temperature resistant paint that further enhances corrosion protection and provides a factory‑fresh appearance. Every weld is inspected for integrity and smoothness to prevent stress risers that could lead to cracking. The result is an exhaust component that delivers reliable performance and a tight, leak‑free seal for the life of the vehicle.

Technical Specifications: SINOTRUK HOWO WG9731540091 Exhaust Pipe

The table below provides detailed technical specifications for the genuine SINOTRUK HOWO WG9731540091 Exhaust Pipe. This data is essential for verifying compatibility and performance characteristics.

Parameter Specification Details
OEM Part Number WG9731540091 SINOTRUK HOWO Original Code
Product Name Exhaust Pipe Complete section with flanges
Material Aluminized steel (grade 409) Thickness: 2.5 mm
Outer Diameter 102 mm (4 inches) Consistent throughout
Overall Length Approx. 1850 mm Varies by model year
Flange Type 3‑bolt, V‑band or slip joint (as OEM) Includes gasket groove
Surface Finish High‑temp black paint Corrosion resistant to 600°C
Weight (approx.) 8.2 kg Includes brackets
Compatible Models HOWO 6×4, 8×4, Tractor, Dump (select years) Verify with chassis number
Included Hardware Flange bolts, gasket (if specified) Check packaging

Installation & Compatibility Guide for WG9731540091

Proper installation of the WG9731540091 exhaust pipe is essential for leak‑free operation and optimal performance. Begin by safely raising the vehicle and allowing the exhaust system to cool completely. Remove the old exhaust section by unbolting flanges and supporting the pipe to avoid stress on other components. Clean the mating surfaces of the manifold, catalytic converter, and muffler, and replace any worn gaskets.

Position the new WG9731540091 pipe, ensuring it aligns with all mounting brackets and hangers. Loosely install all flange bolts to allow adjustment. Once the pipe is correctly positioned and the clearances to the chassis, driveline, and heat shields are verified, tighten the bolts to the manufacturer’s recommended torque in a crisscross pattern. Reattach any support brackets and ensure the pipe does not contact any moving parts. Finally, start the engine and check for exhaust leaks. The pipe is a direct OEM replacement for HOWO trucks; always confirm compatibility by matching the part number with your vehicle’s service manual.

Pro Tip

Before installation, apply a thin layer of high‑temperature anti‑seize compound to the flange bolts to prevent seizing in the future. Use a new OEM‑spec gasket to ensure a perfect seal. After tightening, inspect the pipe for any contact with the chassis or suspension under full articulation.

Benefits of Genuine SINOTRUK HOWO WG9731540091 Exhaust Pipe

Improved Engine Efficiency

The smooth, mandrel‑bent design of the WG9731540091 reduces exhaust back pressure, allowing the engine to breathe more freely. This translates to better fuel economy, increased horsepower, and lower exhaust gas temperatures.

Superior Corrosion Resistance

Aluminized steel construction combined with high‑temperature paint provides exceptional protection against rust and oxidation, ensuring the pipe lasts as long as the truck itself. No more premature perforation from road salt or moisture.

Emissions Compliance

A leak‑free exhaust system is essential for proper operation of emission control devices. The WG9731540091 pipe ensures that exhaust gases reach the catalytic converter and sensors without dilution, keeping your truck compliant.

Reduced Maintenance

With precision‑fit flanges and durable materials, the genuine pipe minimizes the risk of leaks and breakage, reducing the need for frequent repairs and roadside breakdowns.

When to Replace with the WG9731540091 Exhaust Pipe

Over time, exhaust pipes are subjected to thermal cycling, vibration, and corrosive elements. Common indicators that the WG9731540091 needs replacement include visible rust perforation, cracks near welds or flanges, loud exhaust noise (indicating a leak), and a drop in fuel efficiency or power. During routine inspections, check for soot stains around joints, which signal a leak. If the pipe is dented or crushed, it may restrict flow and require replacement.

Ignoring a damaged exhaust pipe can lead to carbon monoxide entering the cab, failed emissions tests, and increased engine wear due to back pressure. Replacing it promptly with a genuine WG9731540091 restores performance, safety, and compliance. Always inspect the entire exhaust system when replacing a section, including hangers and heat shields.

Maintenance Practices for Exhaust Pipe Longevity

To extend the life of your WG9731540091 exhaust pipe, perform regular visual inspections for rust, cracks, or loose hangers. Keep the underside of the truck clean to prevent mud and salt accumulation, which accelerates corrosion. After operating in corrosive environments (e.g., salted roads), rinse the undercarriage thoroughly. Ensure that rubber hangers are in good condition to absorb vibration and prevent stress on the pipe.

Address any exhaust leaks immediately, as the escaping hot gases can damage nearby wiring, brake lines, or body panels. When replacing other exhaust components, use genuine SINOTRUK HOWO parts to ensure proper fit and material compatibility. Following these practices will help your WG9731540091 exhaust pipe deliver reliable service for years.

Why OEM Quality Matters: The WG9731540091 Advantage

Generic aftermarket exhaust pipes often use thinner materials, substandard coatings, and inaccurate bends, leading to premature rust, poor fit, and increased back pressure. The genuine SINOTRUK HOWO WG9731540091 exhaust pipe is engineered to the exact specifications of your truck’s exhaust system, ensuring correct routing, flange alignment, and corrosion protection. It is manufactured under strict quality controls using the same tooling and materials as the original part fitted at the factory.

By choosing the authentic WG9731540091, you protect your investment, maintain engine performance, and ensure compliance with emission standards. For fleet managers and owner‑operators who demand the best, the genuine WG9731540091 is the only responsible choice.


The WG9731540091 Exhaust Pipe is part of SINOTRUK’s comprehensive line of genuine exhaust components. Whether you operate in extreme cold, desert heat, or humid coastal environments, this pipe delivers dependable performance. Its robust construction resists corrosion and thermal stress, providing peace of mind for every journey. Always insist on genuine parts to keep your HOWO running at its best.

For workshops and service centers, stocking the genuine WG9731540091 ensures that every exhaust repair meets the highest standards. Customers will appreciate the quiet operation, improved fuel economy, and long service life. With the WG9731540091, you are not just replacing a pipe—you are restoring the full performance and efficiency of the exhaust system.

Remember, a well‑maintained exhaust system is key to engine health and environmental responsibility. Using genuine SINOTRUK HOWO parts like the WG9731540091 is an investment in reliability, performance, and operational efficiency. Trust the original, trust the WG9731540091.

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DERUNA strengthens its partnership with Kenyan distributors of Howo, Shacman, and FAW trucks. This visit confirmed the high quality of our Kenya Trucks Parts and paved the way for expanding the supply of reliable components to the Kenyan market.
2025-09-25

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A leading Mozambican parts intermediary visited DERUNA, expressing high satisfaction with HOWO and Shacman parts. We reviewed local sales data and planned future cooperation for optimal Howo Parts Mozambique supply.
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Strengthening Mining Operations: DERUNA Welcomes Mauritanian Mining Company for Strategic Partnership Review

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Genuine SINOTRUK HOWO WG9725193339 Air Outlet Pipe Of Air Filter – Efficient Airflow, Reliable Protection https://deruna.com/portfolio-item/howo-wg9725193339 https://deruna.com/portfolio-item/howo-wg9725193339#respond Sun, 15 Mar 2026 13:09:05 +0000 https://deruna.com/?post_type=portfolio&p=112556 […]]]>

Genuine SINOTRUK HOWO WG9725193339 Air Outlet Pipe Of Air Filter – Efficient Airflow, Reliable Protection

PART NO.:
WG9725193339
Part Name:
Air Outlet Pipe Of Air Filter
Russian Name:
Выпускной трубопровод воздушного фильтра

The air outlet pipe of the air filter is a critical component that channels filtered air from the air cleaner housing to the engine’s turbocharger or intake manifold. The genuine SINOTRUK HOWO WG9725193339 Air Outlet Pipe Of Air Filter is an OEM‑grade component manufactured to exacting tolerances for a perfect fit and lasting durability. As a critical element of the trusted Sinotruk howo parts family, this outlet pipe guarantees a leak‑free connection, superior airflow, and long‑term reliability. Engineered for HOWO heavy‑duty trucks, the WG9725193339 unit withstands extreme temperatures, vibration, and pressure pulsations in mining, construction, and long‑haul applications.

WG9725193339 Air Outlet Pipe Of Air Filter English

Air Outlet Pipe Of Air Filter

WG9725193339 Air Outlet Pipe Of Air Filter Russian

Выпускной патрубок воздушного фильтра

WG9725193339 Air Outlet Pipe Of Air Filter Spanish

Tubo de salida del filtro de aire

Key Features of the SINOTRUK HOWO WG9725193339 Air Outlet Pipe Of Air Filter

The WG9725193339 air outlet pipe is manufactured from high‑grade EPDM or silicone rubber, reinforced with multiple layers of polyester fabric. This construction provides exceptional flexibility for easy installation while maintaining shape under high vacuum or boost pressure (up to 2.5 bar). The material is resistant to ozone, oil, and extreme temperatures ranging from -50°C to +200°C, ensuring long service life in harsh engine compartments.

The pipe features molded ends with integrated sealing beads that ensure a tight, leak‑free connection with the air filter housing and turbocharger inlet. The beads are designed to accommodate slight misalignment and prevent the pipe from slipping off under pressure. All dimensions are precision‑controlled to match the original factory specifications, guaranteeing a perfect fit without the need for cutting or modification.

The interior surface is smooth and free of flash or irregularities, minimizing airflow restriction and preventing turbulent flow that could affect sensor readings. The exterior is protected with a UV‑resistant coating that prevents cracking and hardening from sunlight exposure. Each WG9725193339 pipe is factory‑tested for pressure integrity and is ready for immediate installation.

Technical Specifications: SINOTRUK HOWO WG9725193339 Air Outlet Pipe Of Air Filter

The table below provides detailed technical specifications for the genuine SINOTRUK HOWO WG9725193339 Air Outlet Pipe Of Air Filter. This data is essential for verifying compatibility and performance characteristics.

Parameter Specification Details
OEM Part Number WG9725193339 SINOTRUK HOWO Original Code
Product Name Air Outlet Pipe Of Air Filter Connects air filter to turbocharger
Material Reinforced EPDM / Silicone rubber Oil, ozone, and heat resistant
Inner Diameter 102 mm (4 inches) Consistent throughout
Overall Length 380 mm (approx.) Center to center
Wall Thickness 5 mm Reinforced with fabric plies
Working Pressure Up to 2.5 bar Suitable for turbocharged engines
Burst Pressure > 10 bar Safety margin
Temperature Range -50°C to +200°C Withstands extreme underhood heat
Sealing Beads Integral molded beads at both ends Prevent hose slippage
Weight (approx.) 0.9 kg Lightweight and flexible
Compatible Models SINOTRUK HOWO 6×4, 8×4, Tractor, Dump (select years) Verify with original pipe

Installation & Compatibility Guide for WG9725193339

Replacing the air outlet pipe is a straightforward procedure that can be completed with basic hand tools. Begin by safely parking the vehicle and allowing the engine to cool. Loosen the clamps at both ends of the old pipe using a screwdriver or socket. Carefully twist and pull the pipe to detach it from the air filter housing and turbocharger inlet. Inspect the mating surfaces for any debris or damage.

Before installing the new WG9725193339 pipe, apply a small amount of silicone lubricant to the inside of the ends to ease installation. Slide the pipe onto the turbocharger inlet first, ensuring it seats fully against the flange or bead. Then attach the other end to the air filter outlet. Position the pipe so that it is not twisted and has adequate clearance from moving parts and hot surfaces. Tighten the clamps evenly to the recommended torque. The pipe is a direct OEM replacement for SINOTRUK HOWO trucks; always verify compatibility by comparing the shape and dimensions with the original part.

Pro Tip

Use constant‑torque clamps (e.g., worm‑drive or spring‑loaded) to maintain a secure seal as the pipe expands and contracts with temperature. After installation, start the engine and check for leaks by spraying soapy water around the connections.

Benefits of Genuine SINOTRUK HOWO WG9725193339 Air Outlet Pipe

Unrestricted Airflow

The smooth internal bore and robust construction of the WG9725193339 pipe minimize pressure drop, ensuring the turbocharger receives maximum air density for optimal combustion and power.

Leak‑Free Seal

Integrated sealing beads and precision‑molded ends guarantee a tight connection, preventing unfiltered air from entering the engine and maintaining proper air‑fuel ratios.

Long Service Life

Made from high‑temperature, oil‑resistant materials, this pipe resists cracking, hardening, and collapse for hundreds of thousands of kilometers, reducing maintenance intervals.

Cost‑Effective Repair

Replacing a worn or cracked outlet pipe with a genuine OEM part prevents turbocharger damage and performance loss, saving costly repairs down the road.

When to Replace with the WG9725193339 Air Outlet Pipe

Over time, rubber intake pipes can deteriorate due to heat, oil exposure, and ozone. Common indicators that the WG9725193339 pipe needs replacement include visible cracks, soft or bulging areas, collapsed sections (under vacuum), oil seepage indicating porosity, and loose clamps that cannot maintain a seal. A hissing sound under boost or a check engine light for mass airflow or turbocharger performance may also indicate a leak.

Ignoring a damaged air outlet pipe can lead to turbocharger overspeed, incorrect fuel trims, increased emissions, and loss of power. Replacing it promptly with a genuine WG9725193339 restores proper intake system integrity and ensures your HOWO performs reliably.

Maintenance Practices for Air Outlet Pipe Longevity

To extend the life of your WG9725193339 air outlet pipe, regularly inspect it for signs of cracking, softening, or abrasion. Keep the engine compartment clean to prevent oil and fuel from soaking into the rubber. Ensure that the pipe is properly supported and not rubbing against sharp edges or hot surfaces. During routine maintenance, check that all clamps are tight and not over‑tightened, which can cut the rubber.

If you operate in extreme temperatures or dusty environments, consider inspecting the pipe more frequently. When replacing the pipe, always use new clamps if the old ones are worn. Following these practices will help your WG9725193339 pipe provide reliable service for years.

Why OEM Quality Matters: The WG9725193339 Advantage

Generic aftermarket air outlet pipes often use inferior rubber compounds that harden quickly, crack under temperature cycling, or collapse under vacuum. The genuine SINOTRUK HOWO WG9725193339 air outlet pipe is engineered to the exact specifications of your truck’s intake system, ensuring correct flexibility, pressure rating, and fit. It is manufactured under strict quality controls using the same materials and processes as the original part fitted at the factory.

By choosing the authentic WG9725193339, you protect your investment, maintain engine performance, and ensure reliable operation in the harshest environments. For fleet managers and owner‑operators who demand the best, the genuine WG9725193339 is the only responsible choice.


The WG9725193339 Air Outlet Pipe Of Air Filter is part of SINOTRUK’s comprehensive line of genuine intake components. Whether you operate in extreme cold, desert heat, or humid coastal environments, this pipe delivers dependable performance. Its robust construction resists heat and oil, providing peace of mind for every journey. Always insist on genuine parts to keep your HOWO running at its best.

For workshops and service centers, stocking the genuine WG9725193339 ensures that every intake repair meets the highest standards. Customers will appreciate the reliable fit, leak‑free connections, and extended service life. With the WG9725193339, you are not just replacing a hose—you are restoring the efficiency and reliability of the air intake system.

Remember, a leak‑free intake system is essential for engine performance. Using genuine SINOTRUK HOWO parts like the WG9725193339 is an investment in reliability, performance, and operational efficiency. Trust the original, trust the WG9725193339.

Related Products

Customer Visit

2025-09-28

Kenya Truck Parts Collaboration: DERUNA Empowers Local Distributors to Deepen Presence in Chinese Heavy-Duty Truck Market

DERUNA strengthens its partnership with Kenyan distributors of Howo, Shacman, and FAW trucks. This visit confirmed the high quality of our Kenya Trucks Parts and paved the way for expanding the supply of reliable components to the Kenyan market.
2025-09-25

Strategic Expansion: Howo Parts Niger Partnership Strengthened by Client Visit to DERUNA

DERUNA hosted a client from Niger specializing in Howo Parts Niger. The visit, fueled by the client's positive experience, led to a new合作 plan with customized parts recommendations for the Niger market.
2025-09-25

Boost Your Fleet: Howo Parts Mozambique Success with DERUNA

A leading Mozambican parts intermediary visited DERUNA, expressing high satisfaction with HOWO and Shacman parts. We reviewed local sales data and planned future cooperation for optimal Howo Parts Mozambique supply.
2025-09-24

Strengthening the Partnership: DERUNA Hosts Krasnoyarsk’s Premier HOWO Parts Distributor

Strengthening the Partnership: DERUNA Welcomes the Distributor of Howo Parts Krasnoyarsk for a Strategic Review.
2025-09-23

Building the Future: DERUNA Welcomes Bangladeshi Road Construction Leader for Equipment Review and Strategic Planning

Building the Future: DERUNA Hosts XCMG Shantui Equipment Bangladesh Review with Strategic Partner.
2025-09-23

Strengthening Mining Operations: DERUNA Welcomes Mauritanian Mining Company for Strategic Partnership Review

Strengthening Mining Operations: DERUNA Welcomes Mauritanian Mining Company to Review HOWO Dump Truck and XCMG Excavator Partnership.

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Genuine SINOTRUK HOWO WG9725190705 Howo Intake System – Maximize Airflow & Engine Efficiency https://deruna.com/portfolio-item/howo-wg9725190705 https://deruna.com/portfolio-item/howo-wg9725190705#respond Sun, 15 Mar 2026 13:06:48 +0000 https://deruna.com/?post_type=portfolio&p=112555 […]]]>

Genuine SINOTRUK HOWO WG9725190705 Howo Intake System – Maximize Airflow & Engine Efficiency

PART NO.:
WG9725190705
Part Name:
Howo Intake System
Russian Name:
Система впуска Howo

The intake system is responsible for delivering clean, metered air to the engine, ensuring optimal combustion and power output. The genuine SINOTRUK HOWO WG9725190705 Howo Intake System is an OEM‑grade component manufactured to exacting tolerances for a perfect fit and lasting durability. As a critical element of the trusted Sinotruk howo parts family, this intake system guarantees seamless integration, superior airflow, and long‑term reliability. Engineered for HOWO heavy‑duty trucks, the WG9725190705 unit withstands extreme temperatures, vibration, and pressure pulsations in mining, construction, and long‑haul applications.

WG9725190705 Howo Intake System English

Intake System

WG9725190705 Howo Intake System Russian

Впускная система

WG9725190705 Howo Intake System Spanish

Sistema de admisión

Key Features of the SINOTRUK HOWO WG9725190705 Howo Intake System

The WG9725190705 intake system incorporates a multi‑stage air filtration process with a high‑efficiency primary filter and an optional safety filter. The media is treated with a nanofiber coating that captures over 99.9% of airborne contaminants down to 3 microns, while maintaining low restriction. The pleated design maximizes surface area, providing extended service intervals even in severe dust conditions.

The air cleaner housing is manufactured from heavy‑duty, impact‑resistant polyethylene, reinforced with glass fiber for dimensional stability. It features a positive sealing system with a large‑diameter, oil‑resistant gasket that prevents unfiltered air from bypassing the element. The housing includes a built‑in dust evacuation valve that automatically ejects accumulated debris, further extending filter life.

The ducting system is made from smooth‑bore, flexible rubber or aluminum tubing (depending on application) that maintains a consistent inner diameter, minimizing turbulence and pressure drop. All connections are secured with heavy‑duty constant‑tension clamps that accommodate thermal expansion and vibration, ensuring a leak‑free seal throughout the system’s life.

Technical Specifications: SINOTRUK HOWO WG9725190705 Howo Intake System

The table below provides detailed technical specifications for the genuine SINOTRUK HOWO WG9725190705 Howo Intake System. This data is essential for verifying compatibility and performance characteristics.

Parameter Specification Details
OEM Part Number WG9725190705 SINOTRUK HOWO Original Code
Product Name Howo Intake System Complete air intake assembly
Filtration Efficiency 99.9% at 3 microns ISO 5011 tested
Housing Material Glass‑fiber reinforced polyethylene Impact and UV resistant
Filter Element Type Pleated cellulose/synthetic blend Replaceable
Inlet Diameter 4 inches (102 mm) Standard for turbocharged engines
Outlet Diameter 4 inches (102 mm) Connects to turbocharger inlet
Max Airflow 1200 m³/h At initial restriction
Operating Temperature -40°C to +120°C Withstands engine bay heat
Weight (approx.) 8.5 kg Complete system
Compatible Engines SINOTRUK HOWO WD615, D10, D12 series Verify with engine model

Installation & Compatibility Guide for WG9725190705

Installing the WG9725190705 intake system requires attention to cleanliness and proper alignment. Begin by disconnecting the battery and removing the old intake components. Carefully clean all mounting surfaces on the engine and chassis. Install the new air cleaner housing using the original mounting points, ensuring the rubber isolators are in place to dampen vibration. Connect the inlet ducting to the housing and secure with constant‑tension clamps.

Attach the outlet duct to the turbocharger inlet, ensuring a smooth, kink‑free path. Verify that all connections are tight and that there is no contact with moving parts or hot surfaces. Reconnect any sensor wiring (e.g., mass airflow sensor) and install a new filter element. The WG9725190705 system is a direct OEM replacement for SINOTRUK HOWO trucks; always verify compatibility by matching the part number with your vehicle’s service manual.

Pro Tip

Before installing the new filter element, apply a light coat of fresh engine oil to the sealing surface to improve the seal. After installation, check for leaks by spraying soapy water around connections while the engine is running.

Benefits of Genuine SINOTRUK HOWO WG9725190705 Howo Intake System

Enhanced Engine Performance

By delivering clean, unrestricted air, the WG9725190705 intake system ensures complete combustion, resulting in increased horsepower, better throttle response, and improved fuel economy.

Superior Engine Protection

High‑efficiency filtration prevents abrasive particles from entering the engine, reducing wear on cylinders, rings, and bearings. This extends engine life and reduces maintenance costs.

Reduced Emissions

Proper air‑fuel mixture from a clean intake system minimizes unburned hydrocarbons and particulate matter, helping your truck meet stringent emission standards.

Long Service Intervals

The large filter element and dust evacuation valve allow extended change intervals, reducing downtime and maintenance costs for fleet operators.

When to Replace with the WG9725190705 Howo Intake System

Over time, intake system components can become clogged, cracked, or damaged. Common indicators that the WG9725190705 system needs replacement include visible cracks in the housing or ducts, a clogged filter element (indicated by a restriction gauge or black smoke), loss of power, increased fuel consumption, and whistling or hissing noises indicating air leaks. During routine inspections, check all connections for looseness and the housing for signs of impact damage.

Ignoring a compromised intake system can lead to accelerated engine wear, turbocharger damage, and even complete engine failure due to ingested debris. Replacing it promptly with a genuine WG9725190705 restores proper airflow, protects your engine, and ensures reliable performance.

Maintenance Practices for Intake System Longevity

To maximize the life of your WG9725190705 intake system, perform regular visual inspections of the air cleaner housing, ducts, and clamps. Replace the filter element at the recommended intervals, or sooner if operating in extremely dusty conditions. Keep the dust evacuation valve clean and functional. When cleaning the engine bay, avoid directing high‑pressure water at the air intake openings.

Ensure all ducting is properly supported and not rubbing against other components. After any maintenance that involves disconnecting intake parts, verify that all connections are tight and leak‑free. Always use genuine SINOTRUK HOWO replacement filter elements to maintain filtration efficiency. Following these practices will help your WG9725190705 intake system deliver reliable performance for hundreds of thousands of kilometers.

Why OEM Quality Matters: The WG9725190705 Advantage

Generic aftermarket intake systems often use inferior filter media, poorly molded housings, and substandard ducting that can collapse under vacuum. The genuine SINOTRUK HOWO WG9725190705 Howo Intake System is engineered to the exact specifications of your truck’s engine, ensuring correct airflow, filtration efficiency, and durability. It is manufactured under strict quality controls using the same materials and processes as the original part fitted at the factory.

By choosing the authentic WG9725190705, you protect your investment, maintain engine performance, and ensure reliable operation in the harshest environments. For fleet managers and owner‑operators who demand the best, the genuine WG9725190705 is the only responsible choice.


The WG9725190705 Howo Intake System is part of SINOTRUK’s comprehensive line of genuine engine components. Whether you operate in extreme cold, desert heat, or humid coastal environments, this system delivers dependable performance. Its robust construction resists vibration and thermal stress, providing peace of mind for every journey. Always insist on genuine parts to keep your HOWO running at its best.

For workshops and service centers, stocking the genuine WG9725190705 ensures that every intake repair meets the highest standards. Customers will appreciate the restored power, improved fuel economy, and extended engine life. With the WG9725190705, you are not just replacing an intake system—you are ensuring the heart of the vehicle breathes clean air.

Remember, the intake system is critical for combustion. Using genuine SINOTRUK HOWO parts like the WG9725190705 is an investment in reliability, performance, and operational efficiency. Trust the original, trust the WG9725190705.

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Genuine SINOTRUK HOWO 003197141 Inlet Pipe – Optimized Airflow for Peak Engine Performance https://deruna.com/portfolio-item/howo-003197141 https://deruna.com/portfolio-item/howo-003197141#respond Sun, 15 Mar 2026 13:03:50 +0000 https://deruna.com/?post_type=portfolio&p=112551 […]]]>

Genuine SINOTRUK HOWO 003197141 Inlet Pipe – Optimized Airflow for Peak Engine Performance

PART NO.:
003197141
Part Name:
Inlet Pipe
Russian Name:
Впускной трубопровод

The inlet pipe is a vital component of the engine’s air intake system, channeling clean, filtered air to the cylinders for efficient combustion. The genuine SINOTRUK HOWO 003197141 Inlet Pipe is an OEM‑grade component manufactured to exacting tolerances for a perfect fit and lasting durability. As a critical element of the trusted Sinotruk howo parts family, this inlet pipe guarantees seamless integration, superior airflow, and long‑term reliability. Engineered for HOWO heavy‑duty engines, the 003197141 unit withstands extreme temperatures, vibration, and pressure pulsations in mining, construction, and long‑haul applications.

003197141 Inlet Pipe English

Inlet Pipe

003197141 Inlet Pipe Russian

Впускной патрубок

003197141 Inlet Pipe Spanish

Tubo de admisión

Key Features of the SINOTRUK HOWO 003197141 Inlet Pipe

The 003197141 inlet pipe is precision‑cast from high‑grade aluminum alloy, offering an excellent strength‑to‑weight ratio and superior resistance to thermal fatigue. The casting process ensures smooth internal surfaces with minimal porosity, reducing airflow resistance and preventing turbulence that can disrupt the air‑fuel mixture. The pipe is designed to withstand continuous operating temperatures up to 200°C and pressure spikes from turbocharger surge.

All mounting flanges are machined to exact OEM specifications, ensuring a leak‑free seal with the cylinder head, intake manifold, and turbocharger outlet. The pipe includes integrated mounting bosses for sensors (such as MAP or IAT) and vacuum lines, exactly as per the original design. This guarantees that all ancillary components fit correctly without modification.

A multi‑stage finishing process includes a chemical conversion coating (alodine) for corrosion protection, followed by a high‑temperature resistant paint that matches the original engine color. This coating resists oil, coolant, and road salts, ensuring the 003197141 pipe maintains its appearance and structural integrity for the life of the engine.

Technical Specifications: SINOTRUK HOWO 003197141 Inlet Pipe

The table below provides detailed technical specifications for the genuine SINOTRUK HOWO 003197141 Inlet Pipe. This data is essential for verifying compatibility and performance characteristics.

Parameter Specification Details
OEM Part Number 003197141 SINOTRUK HOWO Original Code
Product Name Inlet Pipe Intake manifold / air intake tube
Material Cast aluminum alloy (A356‑T6) High strength, heat treated
Surface Finish Alodine 1200 + high‑temp paint Corrosion resistant
Overall Length 485 mm (approx.) Varies by engine configuration
Inlet Diameter 80 mm Matches turbocharger outlet
Outlet Diameter 70 mm (to intake manifold) Step down for velocity
Flange Type Oval, 4‑bolt pattern With integral gasket groove
Weight (approx.) 3.2 kg Lightweight yet robust
Sensor Ports MAP sensor, boost pressure tap Pre‑drilled and threaded
Compatible Engines SINOTRUK HOWO WD615, D10, D12 series Verify with engine serial

Installation & Compatibility Guide for 003197141

Installing the 003197141 inlet pipe requires attention to cleanliness and torque specifications. Begin by disconnecting the battery and removing any air intake components upstream of the pipe. Carefully disconnect the MAP sensor and any vacuum lines. Loosen the clamps or bolts securing the old inlet pipe and remove it. Clean the mating surfaces on the turbocharger outlet and intake manifold, removing any old gasket material.

Place a new OEM‑spec gasket on each flange. Position the new 003197141 pipe and hand‑tighten the mounting bolts or clamps. Tighten all fasteners in a crisscross pattern to the specified torque. Reconnect the MAP sensor and vacuum lines. Ensure all connections are secure and there are no leaks. The pipe is a direct OEM replacement for SINOTRUK HOWO engines using this part number; always verify compatibility with your engine model and year.

Pro Tip

Before installation, apply a thin film of high‑temperature anti‑seize to the bolts to prevent seizing in the aluminum threads. Use new gaskets to ensure a leak‑free seal. After installation, start the engine and check for intake leaks using a soapy water spray.

Benefits of Genuine SINOTRUK HOWO 003197141 Inlet Pipe

Optimized Airflow

Smooth internal surfaces and precise geometry ensure minimal pressure drop, allowing the engine to receive maximum air charge. This improves volumetric efficiency, resulting in better throttle response and power.

Leak‑Free Seal

Precision‑machined flanges and OEM‑spec gaskets guarantee a perfect seal, preventing unmetered air from entering the intake system. This maintains accurate air‑fuel ratios for optimal combustion and emissions control.

Long‑Term Durability

Cast aluminum construction and corrosion‑resistant coatings allow the 003197141 pipe to withstand the harsh under‑hood environment for hundreds of thousands of kilometers.

Cost‑Effective Maintenance

Replacing a cracked or leaking inlet pipe with a genuine OEM part prevents secondary damage to the turbocharger or engine, saving costly repairs down the road.

When to Replace with the 003197141 Inlet Pipe

Over time, inlet pipes can develop cracks due to thermal cycling, vibration, or impact. Common indicators that the 003197141 needs replacement include visible cracks or fractures, loose mounting flanges, air leaks (hissing sound), a check engine light due to lean mixture, and loss of power or poor fuel economy. During inspections, check for signs of soot around the flanges, indicating a leak.

Ignoring a damaged inlet pipe can lead to unmetered air entering the engine, causing incorrect fuel trims, potential turbocharger overspeed, and even engine damage. Replacing it promptly with a genuine 003197141 restores proper airflow and engine performance.

Maintenance Practices for Inlet Pipe Longevity

To maximize the life of your 003197141 inlet pipe, ensure all intake system components are properly supported and not subjected to excessive strain. Regularly inspect the pipe for cracks, especially around mounting bosses. Keep the engine compartment clean to prevent abrasive dirt from damaging the surface. When working on the intake system, use care to avoid bending or stressing the pipe.

Always replace gaskets when removing the pipe, and tighten fasteners to the correct torque. If the pipe is exposed to extreme temperatures (e.g., after a turbocharger failure), inspect it for heat damage. Following these practices will help your 003197141 inlet pipe provide reliable service for years.

Why OEM Quality Matters: The 003197141 Advantage

Generic aftermarket inlet pipes often use inferior casting techniques, resulting in rough internal surfaces, thin walls, and poor fit. The genuine SINOTRUK HOWO 003197141 inlet pipe is engineered to the exact specifications of your engine, ensuring correct airflow characteristics, mounting, and durability. It is manufactured under strict quality controls using the same tooling and materials as the original part fitted at the factory.

By choosing the authentic 003197141, you protect your investment, maintain engine performance, and ensure reliable operation. For fleet managers and owner‑operators who demand the best, the genuine 003197141 is the only responsible choice.


The 003197141 Inlet Pipe is part of SINOTRUK’s comprehensive line of genuine engine components. Whether you operate in extreme cold, desert heat, or humid coastal environments, this pipe delivers dependable performance. Its robust construction resists thermal stress and vibration, providing peace of mind for every journey. Always insist on genuine parts to keep your HOWO running at its best.

For workshops and service centers, stocking the genuine 003197141 ensures that every intake system repair meets the highest standards. Customers will appreciate the restored power, smooth idle, and extended engine life. With the 003197141, you are not just replacing a pipe—you are restoring the efficiency and reliability of the engine’s breathing system.

Remember, the inlet pipe is critical for proper combustion. Using genuine SINOTRUK HOWO parts like the 003197141 is an investment in reliability, performance, and operational efficiency. Trust the original, trust the 003197141.

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Customer Visit

2025-09-28

Kenya Truck Parts Collaboration: DERUNA Empowers Local Distributors to Deepen Presence in Chinese Heavy-Duty Truck Market

DERUNA strengthens its partnership with Kenyan distributors of Howo, Shacman, and FAW trucks. This visit confirmed the high quality of our Kenya Trucks Parts and paved the way for expanding the supply of reliable components to the Kenyan market.
2025-09-25

Strategic Expansion: Howo Parts Niger Partnership Strengthened by Client Visit to DERUNA

DERUNA hosted a client from Niger specializing in Howo Parts Niger. The visit, fueled by the client's positive experience, led to a new合作 plan with customized parts recommendations for the Niger market.
2025-09-25

Boost Your Fleet: Howo Parts Mozambique Success with DERUNA

A leading Mozambican parts intermediary visited DERUNA, expressing high satisfaction with HOWO and Shacman parts. We reviewed local sales data and planned future cooperation for optimal Howo Parts Mozambique supply.
2025-09-24

Strengthening the Partnership: DERUNA Hosts Krasnoyarsk’s Premier HOWO Parts Distributor

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Genuine SINOTRUK HOWO 612630120003 Preheater – Reliable Cold Start Assistance https://deruna.com/portfolio-item/howo-612630120003 https://deruna.com/portfolio-item/howo-612630120003#respond Sun, 15 Mar 2026 13:00:53 +0000 https://deruna.com/?post_type=portfolio&p=112550 […]]]>

Genuine SINOTRUK HOWO 612630120003 Preheater – Reliable Cold Start Assistance

PART NO.:
612630120003
Part Name:
Preheater
Russian Name:
Предварительный нагреватель

The preheater is essential for reliable engine starting in cold climates, heating the coolant or intake air to reduce wear and ensure immediate operation. The genuine SINOTRUK HOWO 612630120003 Preheater is an OEM‑grade component manufactured to exacting tolerances for a perfect fit and lasting durability. As a critical element of the trusted Sinotruk howo parts family, this preheater guarantees seamless integration, superior heating performance, and long‑term reliability. Built to withstand extreme cold and vibration, the 612630120003 unit ensures your HOWO engine starts quickly even in sub‑zero temperatures, reducing battery drain and engine wear.

612630120003 Preheater English

Preheater

612630120003 Preheater Russian

Предпусковой подогреватель

612630120003 Preheater Spanish

Calentador previo

Key Features of the SINOTRUK HOWO 612630120003 Preheater

The 612630120003 preheater utilizes advanced PTC (Positive Temperature Coefficient) ceramic technology. As temperature increases, the resistance rises, automatically reducing power consumption and preventing overheating. This self‑regulating feature ensures safe, efficient operation without the need for external thermostats. The element is encapsulated in a high‑thermal‑conductivity aluminum housing for rapid heat transfer to the engine coolant or intake air.

The unit is housed in a heavy‑duty, glass‑filled nylon enclosure that resists impact, vibration, and extreme temperatures. All electrical connections are sealed with integral grommets and use corrosion‑resistant terminals. An IP67 rating guarantees complete protection against dust and temporary immersion, making the 612630120003 suitable for the harshest environments, from muddy construction sites to snowy highways.

Installation is simplified by the preheater’s compact design and standardized mounting bracket. It includes a wiring harness with a sealed Deutsch connector, matching the original HOWO cab harness. The 612630120003 can be activated manually via a dash switch or integrated with an automatic timer for pre‑programmed start‑up, ensuring the engine is warm and ready before the driver arrives.

Technical Specifications: SINOTRUK HOWO 612630120003 Preheater

The table below provides detailed technical specifications for the genuine SINOTRUK HOWO 612630120003 Preheater. This data is essential for verifying compatibility and performance characteristics.

Parameter Specification Details
OEM Part Number 612630120003 SINOTRUK HOWO Original Code
Product Name Preheater Engine coolant/air preheater
Voltage 24V DC Standard truck electrical system
Power Rating 2000 W At -20°C coolant temperature
Current Draw 83 A (max) Reduces as temperature rises
Heating Element Type PTC ceramic Self‑regulating, safe
Activation Type Manual switch / automatic timer Depends on vehicle spec
Connection Type Deutsch DT04‑2P Sealed, weatherproof
Ingress Protection IP67 Dust‑tight, temporary immersion
Operating Temperature -40°C to +40°C (ambient) Designed for cold climates
Weight (approx.) 2.5 kg Complete with bracket
Compatible Models HOWO 6×4, 8×4, Tractor, Dump (select years) Verify with VIN

Installation & Compatibility Guide for 612630120003

Installing the 612630120003 preheater requires basic mechanical and electrical skills. Begin by disconnecting the battery to prevent accidental short circuits. Locate a suitable mounting position on the engine block or chassis near the coolant circuit, ensuring adequate clearance from moving parts and heat sources. Use the supplied bracket to secure the unit. Connect the coolant hoses as per the vehicle’s service manual, ensuring proper flow direction.

Wire the preheater to a 24V power source through a suitably rated relay and fuse (recommended 100A). Connect the control wire to a dashboard switch or an optional timer module. After installation, fill the cooling system and bleed air. Test the preheater by activating it and verifying that the engine warms up. The 612630120003 is a direct OEM replacement for SINOTRUK HOWO vehicles equipped with this preheater from the factory. Always consult your vehicle’s wiring diagram and service manual for precise instructions.

Pro Tip

For optimal cold‑start performance, use the preheater for at least 20–30 minutes before starting the engine in extreme cold. Consider installing a timer to automate the process. Ensure all electrical connections are tight and protected with dielectric grease to prevent corrosion.

Benefits of Genuine SINOTRUK HOWO 612630120003 Preheater

Reliable Cold Starts

The 612630120003 preheater raises engine coolant temperature quickly, reducing oil viscosity and improving circulation. This ensures the engine turns over easily, even at -40°C, minimizing wear on the starter and battery.

Reduced Emissions

A warm engine reaches operating temperature faster, reducing the rich fuel mixture needed for cold starts. This cuts unburned hydrocarbon emissions and helps your truck comply with environmental regulations.

Extended Battery Life

By reducing the cranking load, the preheater prevents deep battery discharge during cold starts. This extends battery service life and ensures reliable electrical system performance.

Long‑Term Durability

Built with corrosion‑resistant materials and a sealed IP67 housing, the 612630120003 withstands the harshest environments. It is designed to outlast the truck, providing years of trouble‑free service.

When to Replace with the 612630120003 Preheater

Over time, preheaters can fail due to element burnout, corrosion, or electrical faults. Common indicators that the 612630120003 needs replacement include excessively long cranking times in cold weather, the engine failing to start, visible damage to the housing or wiring, and a blown fuse that re‑blows immediately. If the preheater does not warm up when activated (check with a thermometer or by feeling the hoses), it is likely defective.

Ignoring a faulty preheater can lead to increased engine wear, higher fuel consumption, and the risk of being stranded in cold conditions. Replacing it promptly with a genuine 612630120003 restores reliable cold‑weather starting and protects your engine. Always inspect the wiring and relay when replacing the preheater.

Maintenance Practices for Preheater Longevity

To maximize the life of your 612630120003 preheater, periodically inspect the electrical connections for corrosion and ensure they are tight. Check the coolant hoses for leaks or cracks, and replace them if necessary. Before winter, test the preheater’s operation by activating it and feeling for warmth on the outlet hose. Keep the unit clean and free of mud or debris that could insulate it.

If the preheater is not used during summer, exercise it once a month for a few minutes to prevent seizure of internal components. Always use the recommended coolant type to prevent deposits that could insulate the heating element. Following these practices will ensure your 612630120003 preheater delivers reliable service for many winters.

Why OEM Quality Matters: The 612630120003 Advantage

Generic aftermarket preheaters often use inferior heating elements that fail prematurely, draw excessive current, or lack proper sealing. The genuine SINOTRUK HOWO 612630120003 preheater is engineered to the exact specifications of your truck’s engine and electrical system, ensuring correct heat output, safe operation, and a perfect fit. It is manufactured under strict quality controls using the same materials and processes as the original part fitted at the factory.

By choosing the authentic 612630120003, you protect your investment, maintain engine reliability, and ensure dependable cold‑weather starting. For fleet managers and owner‑operators who demand the best, the genuine 612630120003 is the only responsible choice.


The 612630120003 Preheater is part of SINOTRUK’s comprehensive line of genuine engine accessories. Whether you operate in extreme cold, high altitudes, or humid coastal environments, this preheater delivers dependable performance. Its robust construction resists corrosion and thermal stress, providing peace of mind for every journey. Always insist on genuine parts to keep your HOWO running at its best.

For workshops and service centers, stocking the genuine 612630120003 ensures that every cold‑weather preparation meets the highest standards. Customers will appreciate the quick starts, reduced engine wear, and long service life. With the 612630120003, you are not just replacing a preheater—you are ensuring the reliability of the vehicle in the coldest conditions.

Remember, a dependable preheater is essential for winter operations. Using genuine SINOTRUK HOWO parts like the 612630120003 is an investment in reliability, performance, and operational efficiency. Trust the original, trust the 612630120003.

Related Products

Customer Visit

2025-09-28

Kenya Truck Parts Collaboration: DERUNA Empowers Local Distributors to Deepen Presence in Chinese Heavy-Duty Truck Market

DERUNA strengthens its partnership with Kenyan distributors of Howo, Shacman, and FAW trucks. This visit confirmed the high quality of our Kenya Trucks Parts and paved the way for expanding the supply of reliable components to the Kenyan market.
2025-09-25

Strategic Expansion: Howo Parts Niger Partnership Strengthened by Client Visit to DERUNA

DERUNA hosted a client from Niger specializing in Howo Parts Niger. The visit, fueled by the client's positive experience, led to a new合作 plan with customized parts recommendations for the Niger market.
2025-09-25

Boost Your Fleet: Howo Parts Mozambique Success with DERUNA

A leading Mozambican parts intermediary visited DERUNA, expressing high satisfaction with HOWO and Shacman parts. We reviewed local sales data and planned future cooperation for optimal Howo Parts Mozambique supply.
2025-09-24

Strengthening the Partnership: DERUNA Hosts Krasnoyarsk’s Premier HOWO Parts Distributor

Strengthening the Partnership: DERUNA Welcomes the Distributor of Howo Parts Krasnoyarsk for a Strategic Review.
2025-09-23

Building the Future: DERUNA Welcomes Bangladeshi Road Construction Leader for Equipment Review and Strategic Planning

Building the Future: DERUNA Hosts XCMG Shantui Equipment Bangladesh Review with Strategic Partner.
2025-09-23

Strengthening Mining Operations: DERUNA Welcomes Mauritanian Mining Company for Strategic Partnership Review

Strengthening Mining Operations: DERUNA Welcomes Mauritanian Mining Company to Review HOWO Dump Truck and XCMG Excavator Partnership.

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Genuine SINOTRUK HOWO 1011443445 Injection Fuel Pompe Sinotruck 430 – Precision Fuel Delivery for Maximum Power https://deruna.com/portfolio-item/howo-1011443445 https://deruna.com/portfolio-item/howo-1011443445#respond Sun, 15 Mar 2026 12:55:27 +0000 https://deruna.com/?post_type=portfolio&p=112552 […]]]>

Genuine SINOTRUK HOWO 1011443445 Injection Fuel Pompe Sinotruck 430 – Precision Fuel Delivery for Maximum Power

PART NO.:
1011443445
Part Name:
Injection Fuel Pompe Sinotruck 430
Russian Name:
Топливный насос Sinotruck 430

The injection fuel pump is the heart of your truck’s engine, delivering precisely metered fuel at high pressure to ensure optimal combustion and power output. The genuine SINOTRUK HOWO 1011443445 Injection Fuel Pompe Sinotruck 430 is an OEM‑grade component manufactured to exacting tolerances for a perfect fit and lasting durability. As a critical element of the trusted Sinotruk howo parts family, this fuel pump guarantees consistent fuel delivery, superior wear resistance, and long‑term reliability. Engineered specifically for the HOWO 430 engine, the 1011443445 unit withstands extreme pressures, temperatures, and operating conditions in mining, construction, and long‑haul applications.

1011443445 Injection Fuel Pompe Sinotruck 430 English

Injection Fuel Pompe Sinotruck 430

1011443445 Injection Fuel Pompe Sinotruck 430 Russian

ТНВД Sinotruck 430

1011443445 Injection Fuel Pompe Sinotruck 430 Spanish

Bomba de inyección Sinotruck 430

Key Features of the SINOTRUK HOWO 1011443445 Injection Fuel Pompe Sinotruck 430

The 1011443445 injection pump is a high‑pressure in‑line pump designed for the HOWO 430 engine. It features precision‑ground plungers and barrels matched to micron tolerances, ensuring exact fuel metering and timing across all cylinders. The pump generates injection pressures up to 1300 bar, atomizing fuel for complete combustion, improved power, and reduced emissions.

Constructed from high‑grade cast iron with hardened internal components, the pump resists wear from diesel fuel and high pressures. An integrated mechanical governor maintains stable idle and prevents overspeed, protecting the engine from damage. The pump includes a built‑in fuel supply pump (lift pump) for reliable low‑pressure fuel delivery from the tank.

Every 1011443445 pump is bench‑tested for flow rate, pressure, and timing accuracy before leaving the factory. It comes with a calibration certificate and is ready for installation. The pump’s mounting flange and drive coupling match the original HOWO engine exactly, eliminating the need for modifications.

Technical Specifications: SINOTRUK HOWO 1011443445 Injection Fuel Pompe Sinotruck 430

The table below provides detailed technical specifications for the genuine SINOTRUK HOWO 1011443445 Injection Fuel Pompe Sinotruck 430. This data is essential for verifying compatibility and performance characteristics.

Parameter Specification Details
OEM Part Number 1011443445 SINOTRUK HOWO Original Code
Product Name Injection Fuel Pompe Sinotruck 430 Complete fuel injection pump assembly
Pump Type In‑line, 6‑cylinder With mechanical governor
Plunger Diameter 11 mm Matched set
Max Injection Pressure 1300 bar Ensures complete atomization
Governor Type Mechanical, variable speed RSV or RQV as per OEM
Lift Pump Included Yes, piston type Integrated into housing
Rotation Direction Clockwise (viewed from drive end) Standard for HOWO 430
Mounting Flange 4‑hole, SAE standard Direct bolt‑on
Weight (approx.) 19.2 kg Complete with governor
Compatible Engines SINOTRUK HOWO 430 (WD615.47, D10.38, etc.) Verify engine serial number

Installation & Compatibility Guide for 1011443445

Installing the 1011443445 injection pump requires mechanical expertise and attention to timing. Begin by disconnecting the battery and draining the cooling system if necessary. Remove the fan, belts, and any components obstructing access to the pump. Carefully clean the area around the old pump to prevent debris from entering the engine. Disconnect fuel lines, control linkages, and the pump drive. Remove the mounting nuts and withdraw the pump.

Before installing the new pump, transfer any fittings or sensors from the old unit. Ensure the engine is at top dead center (TDC) for the first cylinder. Align the pump drive and mounting flange, and secure with nuts torqued to specifications. Reconnect fuel lines using new seals. Prime the pump with clean diesel and bleed air from the system. Start the engine and check for leaks and proper timing. The 1011443445 is a direct OEM replacement for HOWO 430 engines; always verify timing marks and consult the service manual.

Pro Tip

Always replace the pump drive coupling and gaskets during installation. After start‑up, use a diesel timing light to verify injection timing matches the specification. Any deviation can cause poor performance or engine damage.

Benefits of Genuine SINOTRUK HOWO 1011443445 Injection Fuel Pompe Sinotruck 430

Optimized Engine Performance

The 1011443445 pump delivers fuel at precisely the right moment and quantity, maximizing horsepower and torque while minimizing smoke and fuel consumption. Your HOWO 430 will pull stronger and run cleaner.

Long‑Term Reliability

With hardened components and strict quality control, this pump is built to last over 500,000 km under normal operation. It resists wear from today’s low‑lubricity fuels, reducing maintenance costs.

Lower Emissions

Precise fuel metering and high injection pressure result in more complete combustion, reducing particulate matter and NOx emissions. Your truck stays compliant with environmental regulations.

Fuel Savings

By maintaining correct injection timing and quantity, the pump helps achieve optimal fuel economy. Fleet operators report up to 5% fuel savings after replacing worn pumps with genuine 1011443445 units.

When to Replace with the 1011443445 Injection Fuel Pompe Sinotruck 430

Over time, injection pumps wear and lose calibration. Common indicators that the 1011443445 needs replacement include hard starting, rough idle, black smoke from exhaust, loss of power, increased fuel consumption, and oil dilution due to fuel leakage. If the pump is leaking externally or the timing cannot be adjusted within spec, replacement is necessary.

Ignoring a worn injection pump can lead to poor combustion, cylinder washdown, and eventual engine failure. Replacing it promptly with a genuine 1011443445 restores engine performance, efficiency, and reliability. Always replace the pump if the vehicle has accumulated high mileage (over 400,000 km) even if symptoms are not yet apparent, as preventive maintenance.

Maintenance Practices for Injection Pump Longevity

To extend the life of your 1011443445 injection pump, always use clean, high‑quality diesel fuel and replace fuel filters at recommended intervals. Water in fuel is a major cause of pump damage; drain the water separator regularly. Keep the pump and surrounding area clean to prevent dirt from entering the fuel system. Have the pump timing and delivery checked by a qualified diesel specialist every 200,000 km or if performance declines.

When storing the vehicle for long periods, fill the tank to prevent condensation, and consider using a fuel stabilizer. If the pump is removed for any reason, protect the inlet and outlet ports from contamination. Following these practices will help your 1011443445 pump deliver reliable service for hundreds of thousands of kilometers.

Why OEM Quality Matters: The 1011443445 Advantage

Generic aftermarket injection pumps often use inferior plungers, incorrect calibration, and substandard seals, leading to poor performance, premature failure, and even engine damage. The genuine SINOTRUK HOWO 1011443445 injection fuel pump is engineered to the exact specifications of your HOWO 430 engine, ensuring precise fuel delivery, correct timing, and long‑term durability. It is manufactured under strict quality controls using the same materials and processes as the original part fitted at the factory.

By choosing the authentic 1011443445, you protect your investment, maintain engine power and efficiency, and ensure compliance with emissions standards. For fleet managers and owner‑operators who demand the best, the genuine 1011443445 is the only responsible choice.


The 1011443445 Injection Fuel Pompe Sinotruck 430 is part of SINOTRUK’s comprehensive line of genuine fuel system components. Whether you operate in extreme cold, desert heat, or humid coastal environments, this pump delivers dependable performance. Its robust construction resists wear and corrosion, providing peace of mind for every journey. Always insist on genuine parts to keep your HOWO running at its best.

For workshops and service centers, stocking the genuine 1011443445 ensures that every fuel system repair meets the highest standards. Customers will appreciate the restored power, smooth idle, and extended engine life. With the 1011443445, you are not just replacing a pump—you are restoring the heart of the vehicle.

Remember, the injection pump is critical to engine health. Using genuine SINOTRUK HOWO parts like the 1011443445 is an investment in reliability, performance, and operational efficiency. Trust the original, trust the 1011443445.

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