The SPYJ0000001220 Upper Bearing Bush (Narrow) is a precision-machined, high-strength bushing designed for compact suspension pivot points in SINOTRUK Sitrak heavy-duty trucks. This OEM-grade component offers reliable load transfer and wear resistance in applications where axial space is limited, making it an ideal solution for tight suspension geometries.

As a critical element among Sinotruk Sitrak parts, the SPYJ0000001220 is manufactured from premium centrifugally cast bronze with optimized lubrication channels, ensuring consistent low-friction operation under high radial loads. Its narrow profile reduces weight and saves space while maintaining the durability and performance expected from genuine SINOTRUK components.

This upper bearing bush is a direct replacement for the original equipment, guaranteeing exact fitment and reliable service in the vehicle’s front and rear suspension linkages.

Product Overview – SPYJ0000001220 Upper Bearing Bush (Narrow)

The SPYJ0000001220 is a narrow-profile upper bearing bush engineered for use in suspension pivot joints where axial space is constrained. Its reduced width compared to standard bushes allows for installation in compact suspension designs without compromising load-carrying capability.

This bush is commonly found in SINOTRUK Sitrak leaf spring equalizer beams, torque rod mounts, and other articulation points where a shorter bearing is required. Manufactured from high-grade tin-bronze (CuSn10P) using a centrifugal casting process, the SPYJ0000001220 offers a uniform, dense microstructure free from porosity, ensuring excellent fatigue strength and wear resistance.

The internal bore is precision-honed to H7 tolerance, guaranteeing a controlled interference fit with the pivot pin. The bush also features a spiral lubrication groove that distributes grease evenly across the bearing surface, reducing friction and preventing seizure. Choosing the genuine SPYJ0000001220 ensures reliable suspension performance and extended component life.

Key Features of the SPYJ0000001220 Upper Bearing Bush

Additionally, the SPYJ0000001220 features a lead-in chamfer for easy assembly and a precision-ground outer diameter for a press-fit installation. Its lightweight design contributes to reduced unsprung mass, improving vehicle handling and ride quality.

These attributes make it a preferred choice for suspension rebuilds and preventive maintenance, offering excellent value for fleet operators and independent workshops alike.

Technical Specifications – SPYJ0000001220 Upper Bearing Bush (Narrow)

The following table provides all critical dimensions and material properties for the SPYJ0000001220. These specifications are verified against SINOTRUK original equipment standards.

Parameter	Value
OEM Number	SPYJ0000001220
Product Name	Upper Bearing Bush (Narrow)
Brand	SINOTRUK Sitrak
Material	Centrifugally cast bronze (CuSn10P)
Inner Diameter (ID)	40.00 mm (H7 tolerance)
Outer Diameter (OD)	50.00 mm (p6 tolerance)
Overall Width (B)	30 mm
Wall Thickness	5.0 mm
Hardness (Brinell)	80–100 HB
Lubrication Type	Spiral oil groove + microporous structure
Operating Temperature	-40°C to +150°C
Max Static Load	100 kN
Weight	~ 0.35 kg
Compatible Models	SINOTRUK Sitrak C7H, T7H, A7 (front/rear suspension)

All dimensions conform to ISO 286 and DIN 1494 standards for plain bearings. Always verify the housing bore and pin diameter before installation to ensure correct interference fit and optimal performance.

Using a genuine SPYJ0000001220 guarantees that these parameters are met, ensuring the longevity and reliability of your suspension system.

Applications and Compatibility

The SPYJ0000001220 is specifically designed for the upper pivot points of SINOTRUK Sitrak leaf spring suspensions where space is at a premium. It is commonly used in front axle spring pins, rear equalizer beam upper bushings, and torque rod mounts on C7H, T7H, and A7 series trucks.

Its narrow profile makes it ideal for applications where a wide bush would interfere with other components, such as in tight chassis layouts or near fuel tanks and air reservoirs.

This bush is also compatible with many other heavy-duty trucks and trailers that use a 40mm pin diameter and a 50mm housing bore but require a 30mm width. Always cross-reference the dimensions with your vehicle’s service manual to ensure proper fitment.

Installation and Maintenance Tips

Always replace both upper and lower bushes simultaneously to maintain balanced suspension geometry and even load distribution. Using a genuine SPYJ0000001220 ensures the correct material composition and hardness, which are essential for preventing premature deformation and wear.

Avoid using generic bushes that may not meet the required load and temperature specifications, as they can compromise safety and lead to costly downtime.

Why Choose the SPYJ0000001220 Upper Bearing Bush?

Selecting the authentic SPYJ0000001220 gives you the assurance of a component that has been validated for fatigue life, wear resistance, and dimensional stability under extreme loads. Unlike aftermarket alternatives, this bush is manufactured using a controlled casting process that ensures uniform material density and consistent mechanical properties.

This results in predictable performance and longer service intervals. The SPYJ0000001220 is backed by SINOTRUK’s quality assurance, and its narrow design allows for installation in compact suspension layouts without sacrificing durability.

Fleet operators report reduced maintenance costs, improved handling, and fewer suspension-related issues after installing genuine narrow bushes. Choosing this component is a smart investment in vehicle uptime and safety.

Industry Standards and Certifications

The SPYJ0000001220 complies with ISO 4379 for bronze plain bearings and DIN 1494 for bushing dimensions. It is manufactured under IATF 16949 certified quality management systems, ensuring consistent production quality and traceability.

The material meets the requirements of ASTM B505 for copper alloy castings. To avoid counterfeits, purchase this bush only from authorized SINOTRUK distributors. Genuine bushes are stamped with the part number and have a characteristic bronze color with a smooth, polished finish.

Using non-certified bushes can lead to rapid wear, suspension misalignment, and unsafe vehicle operation, potentially voiding your warranty.

Common Issues and Solutions

Over time, even the robust SPYJ0000001220 may experience wear. Symptoms of a worn bush include knocking noises from the suspension, uneven tire wear, and steering wander or instability. If you notice these signs, inspect the bush and the pivot pin.

If the bush exhibits scoring, galling, or the pin has a stepped wear pattern, replace both components to restore proper geometry and function. Insufficient lubrication is a common cause of premature failure. Ensure that the grease passages are clear and that the correct type of chassis grease is used.

If the bush has seized to the pin, it may require cutting for removal. Always use a new SPYJ0000001220 and a new pin if the old pin is damaged to restore proper fit and alignment. Regular inspection and timely replacement can prevent more severe damage to the suspension components.

Environmental Impact and Sustainability

SINOTRUK is committed to sustainable manufacturing practices. The SPYJ0000001220 is produced using recycled bronze and energy-efficient casting methods, reducing the carbon footprint of each component. Its extended service life reduces the frequency of replacements, minimizing waste and conserving natural resources.

By maintaining proper lubrication and replacing the bush only when necessary, you contribute to resource conservation. Used bronze bushes can be recycled at metal recovery facilities, supporting a circular economy.

Choosing genuine parts also reduces the environmental impact associated with frequent repairs and premature component failure, aligning with modern sustainability goals.

Conclusion – Trust the SPYJ0000001220 for Your SINOTRUK Sitrak

The SPYJ0000001220 Upper Bearing Bush (Narrow) is an essential component for maintaining the structural integrity, ride quality, and safety of SINOTRUK Sitrak heavy-duty trucks, especially in space-constrained suspension designs.

Its compact profile, robust bronze construction, and precision fitment ensure reliable performance and long service life in the most demanding applications, from long-haul highway transport to extreme off-road conditions.

In this comprehensive guide, we have covered the bush’s features, technical specifications, installation best practices, and environmental benefits. With this information, you can confidently choose the genuine component that maximizes suspension durability, reduces maintenance costs, and enhances vehicle safety and driver comfort.

Explore our full range of authentic SINOTRUK Sitrak components and keep your fleet operating at peak performance. Choose the SPYJ0000001220 – the trusted upper bearing bush solution for professionals worldwide.

SPYJ0000001221 Lower Bearing Bush (Wide) – Robust Suspension Support for SINOTRUK Sitrak Trucks

The SPYJ0000001221 Lower Bearing Bush (Wide) is a heavy-duty, precision-engineered bushing designed to provide exceptional load distribution and wear resistance in the lower pivot points of SINOTRUK Sitrak suspension systems. This OEM-grade component features an extended width that increases the contact area, significantly reducing bearing stress and prolonging service life under extreme on- and off-road conditions. As a critical element among Sinotruk Sitrak parts, the SPYJ0000001221 is manufactured from high-grade centrifugally cast bronze with a self-lubricating microstructure, ensuring reliable operation under heavy radial loads and constant articulation. This lower bearing bush is a direct replacement for the original equipment, guaranteeing precise fitment and consistent performance in the vehicle’s front and rear suspension linkages.

Product Overview – SPYJ0000001221 Lower Bearing Bush (Wide)

The SPYJ0000001221 is a wide-profile lower bearing bush used in the pivot joints of SINOTRUK Sitrak leaf spring suspensions, equalizer beams, and torque rod mounts. Its increased axial width, compared to standard bushes, provides a larger load-bearing surface that effectively reduces contact pressure between the pin and the bush. This design minimizes wear and ovality, ensuring stable axle alignment and consistent ride height over extended mileage.

Machined from centrifugally cast tin-bronze (CuSn10P) with a uniform, defect-free grain structure, the bush incorporates a spiral oil groove and a network of micropores that retain lubricant, reducing friction and preventing seizure during high-load articulation. The SPYJ0000001221 is precision-honed to exacting internal diameter tolerances, guaranteeing a controlled interference fit with the pivot pin and housing, eliminating play and reducing noise, vibration, and harshness (NVH) levels. Its robust construction makes it ideal for heavy-haulage, mining, and construction applications.

Key Features of the SPYJ0000001221 Lower Bearing Bush

Additionally, the SPYJ0000001221 is designed with a chamfered lead-in for easy assembly, and its outer diameter is precision-ground to ensure a press-fit installation without the need for additional retainers. These features make it a preferred choice for suspension rebuilds and preventive maintenance programs, offering excellent value for fleet operators.

Technical Specifications – SPYJ0000001221 Lower Bearing Bush (Wide)

The table below provides all critical dimensions and material properties for the SPYJ0000001221. These specifications are verified against SINOTRUK original equipment standards.

Parameter	Value
OEM Number	SPYJ0000001221
Product Name	Lower Bearing Bush (Wide)
Brand	SINOTRUK Sitrak
Material	Centrifugally cast bronze (CuSn10P)
Inner Diameter (ID)	40.00 mm (H7 tolerance)
Outer Diameter (OD)	50.00 mm (p6 tolerance)
Overall Width (B)	45 mm
Wall Thickness	5.0 mm
Hardness (Brinell)	80–100 HB
Lubrication Type	Oil groove + microporous structure
Operating Temperature	-40°C to +150°C
Max Static Load	120 kN
Weight	~ 0.52 kg
Compatible Models	SINOTRUK Sitrak C7H, T7H, A7 (front/rear suspension)

All dimensions conform to ISO 286 and DIN 1494 standards for plain bearings. Always verify the housing bore and pin diameter before installation to ensure correct interference fit and optimal performance.

Applications and Compatibility

The SPYJ0000001221 is specifically designed for the lower pivot points of SINOTRUK Sitrak leaf spring suspensions, including the front axle spring pins, rear equalizer beam bushings, and torque rod mounts. Its wide profile makes it particularly suitable for heavy-haul applications where lateral stability and load distribution are critical, such as in mining, logging, and long-haul transportation.

This bush is also compatible with many other heavy-duty trucks and trailers that use a 40mm pin diameter and a 50mm housing bore, making it a versatile replacement part for workshops servicing mixed fleets. Always cross-reference the dimensions with your vehicle’s service manual to ensure proper fitment and avoid installation errors.

Installation and Maintenance Tips

Using a genuine SPYJ0000001221 ensures the correct material composition and hardness, which are essential for preventing premature deformation and wear. Avoid using generic bushes that may not meet the required load and temperature specifications, as they can compromise safety and lead to costly downtime.

Why Choose the SPYJ0000001221 Lower Bearing Bush?

Selecting the authentic SPYJ0000001221 gives you the assurance of a component that has been validated for fatigue life, wear resistance, and dimensional stability under extreme loads. Unlike aftermarket alternatives, this bush is manufactured using a controlled casting process that ensures uniform material density and consistent mechanical properties, resulting in predictable performance and longer service intervals.

The SPYJ0000001221 is backed by SINOTRUK’s quality assurance, and its wide design has been proven to extend the service interval of suspension pivot points by up to 30%. Fleet operators report reduced tire wear, improved handling, and lower maintenance costs after installing genuine wide bushes. Choosing this component is a smart investment in vehicle uptime and safety.

Industry Standards and Certifications

The SPYJ0000001221 complies with ISO 4379 for bronze plain bearings and DIN 1494 for bushing dimensions. It is manufactured under IATF 16949 certified quality management systems, ensuring consistent production quality and traceability. The material meets the requirements of ASTM B505 for copper alloy castings.

To avoid counterfeits, purchase this bush only from authorized SINOTRUK distributors. Genuine bushes are stamped with the part number and have a characteristic bronze color with a smooth, polished finish. Using non-certified bushes can lead to rapid wear, suspension misalignment, and unsafe vehicle operation, potentially voiding your warranty.

Common Issues and Solutions

Over time, even the robust SPYJ0000001221 may experience wear. Symptoms of a worn bush include knocking noises from the suspension, uneven tire wear, and steering wander or instability. If you notice these signs, inspect the bush and the pivot pin. If the bush exhibits scoring, galling, or the pin has a stepped wear pattern, replace both components to restore proper geometry and function.

Insufficient lubrication is a common cause of premature failure. Ensure that the grease passages are clear and that the correct type of chassis grease is used. If the bush has seized to the pin, it may require cutting for removal. Always use a new SPYJ0000001221 and a new pin if the old pin is damaged to restore proper fit and alignment. Regular inspection and timely replacement can prevent more severe damage to the suspension components.

Environmental Impact and Sustainability

SINOTRUK is committed to sustainable manufacturing practices. The SPYJ0000001221 is produced using recycled bronze and energy-efficient casting methods, reducing the carbon footprint of each component. Its extended service life reduces the frequency of replacements, minimizing waste and conserving natural resources.

By maintaining proper lubrication and replacing the bush only when necessary, you contribute to resource conservation. Used bronze bushes can be recycled at metal recovery facilities, supporting a circular economy. Choosing genuine parts also reduces the environmental impact associated with frequent repairs and premature component failure, aligning with modern sustainability goals.

Conclusion – Trust the SPYJ0000001221 for Your SINOTRUK Sitrak

The SPYJ0000001221 Lower Bearing Bush (Wide) is a critical component for maintaining the structural integrity, ride quality, and safety of SINOTRUK Sitrak heavy-duty trucks. Its extended bearing surface, robust bronze construction, and precision fitment ensure reliable performance and long service life in the most demanding applications, from long-haul highway transport to extreme off-road conditions.

In this comprehensive guide, we have covered the bush’s features, technical specifications, installation best practices, and environmental benefits. With this information, you can confidently choose the genuine component that maximizes suspension durability, reduces maintenance costs, and enhances vehicle safety and driver comfort.

Explore our full range of authentic SINOTRUK Sitrak components and keep your fleet operating at peak performance. Choose the SPYJ0000001221 – the trusted lower bearing bush solution for professionals worldwide.

SPYJ0000001222 Upper Bearing Bush (Wide) – Enhanced Load Support for SINOTRUK Sitrak Suspension Systems

The SPYJ0000001222 Upper Bearing Bush (Wide) is a heavy-duty, precision-machined bushing designed to provide superior load distribution and wear resistance in the suspension articulation points of SINOTRUK Sitrak trucks. This OEM-grade component features an extended width design that increases the contact surface area, reducing bearing stress and extending service life in demanding on- and off-road applications. As a critical element among Sinotruk Sitrak parts, the SPYJ0000001222 is manufactured from high-strength bronze alloy with a self-lubricating internal structure, ensuring consistent performance under heavy radial loads and oscillating movements. This upper bearing bush is a direct replacement for the original component, guaranteeing perfect fitment and reliable operation in the vehicle’s front and rear suspension systems.

Product Overview – SPYJ0000001222 Upper Bearing Bush (Wide)

The SPYJ0000001222 is a wide-profile upper bearing bush used in the pivot joints of SINOTRUK Sitrak leaf spring suspensions and equalizer beam assemblies. Its increased axial width, compared to standard bushes, provides a larger load-bearing surface, which significantly reduces the contact pressure between the pin and the bush. This design minimizes wear and elongation, ensuring stable axle alignment and consistent ride height over extended mileage.

Machined from centrifugally cast bronze with a uniform grain structure, the bush incorporates a spiral oil groove and a network of micropores that retain lubricant, reducing friction and preventing seizure during high-load articulation. The SPYJ0000001222 is precision-honed to exacting internal diameters, guaranteeing a controlled interference fit with the pivot pin and housing, eliminating play and reducing noise, vibration, and harshness (NVH) levels.

Key Features of the SPYJ0000001222 Upper Bearing Bush

Additionally, the SPYJ0000001222 is designed with a chamfered lead-in for easy assembly, and its outer diameter is precision-ground to ensure a press-fit installation without the need for additional retainers. These features make it a preferred choice for suspension rebuilds and preventive maintenance programs.

Technical Specifications – SPYJ0000001222 Upper Bearing Bush (Wide)

The table below provides all critical dimensions and material properties for the SPYJ0000001222. These specifications are verified against SINOTRUK original equipment standards.

Parameter	Value
OEM Number	SPYJ0000001222
Product Name	Upper Bearing Bush (Wide)
Brand	SINOTRUK Sitrak
Material	Centrifugally cast bronze (CuSn10P)
Inner Diameter (ID)	40.00 mm (H7 tolerance)
Outer Diameter (OD)	50.00 mm (p6 tolerance)
Overall Width (B)	45 mm
Wall Thickness	5.0 mm
Hardness	80–100 HB
Lubrication Type	Oil groove + microporous structure
Operating Temperature	-40°C to +150°C
Max Static Load	120 kN
Weight	~ 0.52 kg
Compatible Models	SINOTRUK Sitrak C7H, T7H, A7 (front/rear suspension)

All dimensions conform to ISO 286 and DIN 1494 standards for plain bearings. Always verify the housing bore and pin diameter before installation to ensure correct interference fit.

Applications and Compatibility

The SPYJ0000001222 is specifically designed for the upper pivot points of SINOTRUK Sitrak leaf spring suspensions, including the front axle spring pins and the rear equalizer beam bushings. Its wide profile makes it particularly suitable for heavy-haul applications where lateral stability and load distribution are critical.

This bush is also compatible with many other heavy-duty trucks and trailers that use a 40mm pin diameter and a 50mm housing bore, making it a versatile replacement part for workshops. Always cross-reference the dimensions with your vehicle’s service manual to ensure proper fitment.

Installation and Maintenance Tips

Using a genuine SPYJ0000001222 ensures the correct material composition and hardness, which are essential for preventing premature deformation and wear. Avoid using generic bushes that may not meet the required load and temperature specifications.

Why Choose the SPYJ0000001222 Upper Bearing Bush?

Selecting the authentic SPYJ0000001222 gives you the assurance of a component that has been validated for fatigue life, wear resistance, and dimensional stability under extreme loads. Unlike aftermarket alternatives, this bush is manufactured using a controlled casting process that ensures uniform material density and consistent mechanical properties.

The SPYJ0000001222 is backed by SINOTRUK’s quality assurance, and its wide design has been proven to extend the service interval of suspension pivot points by up to 30%. Fleet operators report reduced tire wear and improved handling after installing genuine wide bushes.

Industry Standards and Certifications

The SPYJ0000001222 complies with ISO 4379 for bronze plain bearings and DIN 1494 for bushing dimensions. It is manufactured under IATF 16949 certified quality management systems, ensuring consistent production quality.

To avoid counterfeits, purchase this bush only from authorized SINOTRUK distributors. Genuine bushes are stamped with the part number and have a characteristic bronze color with a smooth, polished finish. Using non-certified bushes can lead to rapid wear, suspension misalignment, and unsafe vehicle operation.

Common Issues and Solutions

Over time, even the robust SPYJ0000001222 may experience wear. Symptoms of a worn bush include knocking noises from the suspension, uneven tire wear, and steering wander. If you notice these signs, inspect the bush and the pivot pin. If the bush exhibits scoring or the pin has a stepped wear pattern, replace both components.

Insufficient lubrication is a common cause of premature failure. Ensure that the grease passages are clear and that the correct type of chassis grease is used. If the bush has seized to the pin, it may require cutting for removal. Always use a new SPYJ0000001222 and a new pin if the old pin is damaged to restore proper fit and alignment.

Environmental Impact and Sustainability

SINOTRUK is committed to sustainable manufacturing practices. The SPYJ0000001222 is produced using recycled bronze and energy-efficient casting methods, reducing the carbon footprint of each component. Its extended service life reduces the frequency of replacements, minimizing waste.

By maintaining proper lubrication and replacing the bush only when necessary, you contribute to resource conservation. Used bronze bushes can be recycled at metal recovery facilities, supporting a circular economy. Choosing genuine parts also reduces the environmental impact associated with frequent repairs and premature component failure.

Conclusion – Trust the SPYJ0000001222 for Your SINOTRUK Sitrak

The SPYJ0000001222 Upper Bearing Bush (Wide) is an essential component for maintaining the structural integrity and ride quality of SINOTRUK Sitrak heavy-duty trucks. Its extended bearing surface, robust bronze construction, and precision fitment ensure reliable performance and long service life in the most demanding applications.

In this guide, we have covered the bush’s features, technical data, installation best practices, and environmental benefits. With this information, you can confidently choose the genuine component that maximizes suspension durability, reduces maintenance costs, and enhances vehicle safety.

Explore our full range of authentic SINOTRUK Sitrak components and keep your fleet operating at peak performance. Choose the SPYJ0000001222 – the trusted upper bearing bush solution for professionals worldwide.

SPWL0000000309 Release Bearing – Precision Clutch Disengagement for SINOTRUK Sitrak Heavy-Duty Trucks

The SPWL0000000309 Release Bearing is a precision-engineered clutch release bearing designed for smooth and reliable clutch disengagement in SINOTRUK Sitrak heavy-duty manual transmissions. This OEM-grade bearing ensures consistent pedal feel, reduces wear on the clutch diaphragm spring, and provides long service life under demanding stop-and-go and highway conditions. As a critical element among Sinotruk Sitrak parts, the SPWL0000000309 is manufactured to exacting tolerances with high-quality bearing steel and advanced lubrication, ensuring minimal friction and heat generation. Its robust construction and sealed design protect against contamination, making it a reliable choice for fleet operators and workshops seeking genuine replacement components for their Sitrak trucks.

Product Overview – SPWL0000000309 Release Bearing

The SPWL0000000309 is a self-aligning, ball-type release bearing that operates between the clutch fork and the diaphragm spring fingers. When the clutch pedal is depressed, this bearing translates the force from the hydraulic or mechanical linkage into axial movement, disengaging the clutch disc from the flywheel. Its design incorporates a durable outer housing, a precision-ground inner race, and a sealed grease fill that eliminates the need for periodic lubrication.

Manufactured from high-carbon chromium steel with a hardened and ground raceway, the SPWL0000000309 offers excellent resistance to wear, pitting, and thermal degradation. The bearing’s integrated dust shield and contact seals keep out clutch dust, dirt, and moisture, significantly extending its service life. Choosing the genuine SPWL0000000309 ensures smooth clutch operation, reduced pedal effort, and improved driver comfort.

Key Features of the SPWL0000000309 Release Bearing

Additionally, the SPWL0000000309 incorporates a nylon ball retainer that reduces rotational noise and provides smooth, low-friction operation. Its compact dimensions and standardized fitment make it a direct replacement for the original equipment, simplifying workshop inventory and installation.

Technical Specifications – SPWL0000000309 Release Bearing

The following table provides all critical dimensions and performance data for the SPWL0000000309. These specifications are verified against SINOTRUK original equipment standards.

Parameter	Value
OEM Number	SPWL0000000309
Product Name	Release Bearing
Brand	SINOTRUK Sitrak
Type	Angular contact ball bearing, self-aligning
Inner Diameter (d)	30 mm
Outer Diameter (D)	55 mm
Width (B)	17 mm
Dynamic Load Rating (C)	28.0 kN
Static Load Rating (C0)	42.0 kN
Limiting Speed (grease)	4,500 rpm
Material	SAE 52100 bearing steel, hardened
Seal Type	Contact seals (both sides), nitrile rubber
Grease Type	High-temperature lithium complex
Operating Temperature	-40°C to +150°C
Weight	~ 0.12 kg
Compatible Models	SINOTRUK Sitrak C7H, T7H, A7 series manual transmissions

All dimensions and load ratings conform to DIN 620 and ISO 15 standards. Always verify the release bearing fitment with your clutch assembly and gearbox specifications.

Applications and Compatibility

The SPWL0000000309 is extensively used in SINOTRUK Sitrak trucks equipped with manual or automated manual transmissions (AMT). It is compatible with clutch assemblies that utilize a diaphragm spring and a standard release fork mechanism. Common applications include the ZF 16S and Eaton Fuller style transmissions found in C7H, T7H, and A7 series vehicles.

This bearing also serves as a replacement for many other heavy-duty truck brands that share the same dimensional and load specifications, making the SPWL0000000309 a versatile stock-keeping unit for workshops. Always check the inner and outer diameters and width to confirm fitment.

Installation and Maintenance Tips

Using a genuine SPWL0000000309 ensures correct internal clearance and self-alignment characteristics, which are vital for proper clutch operation. Avoid reusing old bearings, as they may have worn contact surfaces that can damage the new diaphragm spring.

Why Choose the SPWL0000000309 Release Bearing?

Opting for the authentic SPWL0000000309 guarantees a release bearing that has been tested for axial load capacity, rotational accuracy, and thermal stability. Unlike generic bearings, this component is engineered to match the exact clutch lever force and stroke of SINOTRUK Sitrak trucks, resulting in consistent pedal feel and reduced driver fatigue.

The SPWL0000000309 is backed by SINOTRUK’s quality assurance, providing peace of mind for fleet operators. Users report smoother gear engagement, reduced clutch chatter, and longer clutch life after switching to genuine release bearings.

Industry Standards and Certifications

The SPWL0000000309 complies with ISO 1224 and DIN 616 standards for release bearings. It is manufactured under IATF 16949 certified processes, ensuring high reliability. The steel meets ASTM A295 specifications for bearing-quality material.

To avoid counterfeits, purchase this bearing from authorized SINOTRUK distributors. Genuine bearings are laser-engraved with the part number and have a distinctive seal color. Using non-certified bearings can lead to premature failure, clutch slippage, and costly transmission damage.

Common Issues and Solutions

Although the SPWL0000000309 is robust, certain conditions can affect its performance. A worn or noisy release bearing often manifests as a chirping or rattle sound when the clutch pedal is depressed – this indicates internal wear and requires immediate replacement. If the bearing fails to disengage the clutch completely, check for hydraulic system issues or fork misalignment, but also verify that the bearing is correctly seated.

Grease leakage from the bearing indicates seal damage, usually caused by heat or physical debris. Replace the SPWL0000000309 with a new unit and inspect the clutch housing for foreign material. Always use the recommended grease and torque specifications during installation to avoid overloading the bearing.

Environmental Impact and Sustainability

SINOTRUK is committed to sustainable manufacturing. The SPWL0000000309 is produced using energy-efficient processes, and the steel is sourced from recycled content. Its long service life reduces the frequency of replacements, minimizing waste and resource consumption.

By maintaining a properly functioning release bearing, you reduce clutch drag and improve fuel economy. Used bearings can be recycled at metal scrapyards, supporting the circular economy. Choosing genuine parts also reduces the environmental footprint associated with frequent repairs.

Conclusion – Trust the SPWL0000000309 for Your SINOTRUK Sitrak

The SPWL0000000309 Release Bearing is a high-quality, reliable component that ensures smooth and consistent clutch operation in SINOTRUK Sitrak trucks. Its self-aligning design, robust construction, and sealed lubrication make it a durable choice for heavy-duty applications.

In this comprehensive guide, we have covered the bearing’s features, specifications, installation best practices, and environmental benefits. With this information, you can confidently select the genuine component that maximizes uptime, reduces maintenance costs, and enhances driver comfort.

Explore our full range of authentic SINOTRUK Sitrak components and keep your fleet operating at peak performance. Choose the SPWL0000000309 – the trusted release bearing solution for professionals worldwide.

SPWL0000000272 Needle Roller Bearing HK2536-2RS – Sealed Compact Radial Support for SINOTRUK Sitrak Drivetrains

The SPWL0000000272 Needle Roller Bearing HK2536-2RS is a sealed, compact radial bearing designed for high-load, space-constrained applications in SINOTRUK Sitrak transmissions, pumps, and auxiliary drives. This OEM-grade bearing features a full complement of needle rollers and integral contact seals on both sides, providing excellent contamination protection and grease retention. As an essential element among Sinotruk Sitrak parts, the SPWL0000000272 delivers reliable performance under heavy radial loads and moderate speeds. Its compact 25mm bore and 36mm width make it ideal for tight installations where standard ball bearings would not fit. The bearing’s precision-ground raceways and hardened rollers ensure long service life and reduced friction, contributing to overall drivetrain efficiency.

Product Overview – SPWL0000000272 Needle Roller Bearing

The SPWL0000000272 is a drawn-cup needle roller bearing with integral rubber seals on both sides (2RS designation). Its open-end design allows for a high number of small-diameter rollers, resulting in exceptional radial load capacity relative to its cross-section. This bearing is commonly used in SINOTRUK Sitrak gearbox shafts, idler gears, and cam followers, where a compact, sealed bearing is required.

Manufactured from high-carbon chromium steel with a case-hardened outer ring, the SPWL0000000272 offers excellent wear resistance and dimensional stability. The contact seals are made of nitrile rubber, effectively retaining grease while excluding dust, water, and other contaminants. By choosing the genuine SPWL0000000272, you ensure reliable operation and extended maintenance intervals in your Sitrak drivetrain.

Key Features of the SPWL0000000272 Needle Roller Bearing

Additionally, the SPWL0000000272 is supplied pre-lubricated with high-quality grease, ready for installation. Its standard dimensions conform to DIN 618, ensuring interchangeability with other manufacturers’ equivalent bearings.

Technical Specifications – SPWL0000000272 Needle Roller Bearing HK2536-2RS

The following table provides all critical dimensions and performance data for the SPWL0000000272. These specifications are verified against SINOTRUK original equipment standards.

Parameter	Value
OEM Number	SPWL0000000272
Product Name	Needle Roller Bearing HK2536-2RS
Brand	SINOTRUK Sitrak
Type	Drawn cup needle roller bearing, sealed (2RS)
Bore Diameter (d)	25 mm
Outer Diameter (D)	32 mm
Width (B)	36 mm
Dynamic Load Rating (C)	18.5 kN
Static Load Rating (C0)	28.0 kN
Limiting Speed (grease)	6,500 rpm
Material	Case-hardened steel (SAE 52100)
Seal Material	Nitrile rubber (NBR)
Seal Type	Contact seals, both sides (2RS)
Operating Temperature	-30°C to +120°C
Weight	~ 0.07 kg
Compatible Applications	SINOTRUK Sitrak transmissions, pumps, idler gears

All dimensions and load ratings conform to DIN 618 and ISO 3030 standards. Always verify shaft and housing tolerances before installation to ensure proper fit and function.

Applications and Compatibility

The SPWL0000000272 is widely used in SINOTRUK Sitrak C7H, T7H, and A7 series vehicles, particularly in gearbox countershafts, auxiliary drive shafts, and oil pump drives. Its sealed design makes it suitable for applications where lubrication intervals are long or where external contaminants are prevalent.

This bearing is also compatible with many other heavy-duty commercial vehicle brands that use the HK2536-2RS size, making it a versatile replacement option for workshops. Always check the bore, outer diameter, and width before ordering.

Installation and Maintenance Tips

Using a genuine SPWL0000000272 ensures the correct seal design and grease fill, which are critical for long-term reliability. Avoid using generic bearings that may have inferior seals or improper lubrication.

Why Choose the SPWL0000000272 Needle Roller Bearing?

Selecting the authentic SPWL0000000272 guarantees a bearing that has undergone rigorous quality controls, including dimensional verification, seal leak testing, and noise/vibration checks. Unlike aftermarket copies, this bearing offers consistent internal clearance and roller profile, ensuring optimal load distribution and minimal friction.

The SPWL0000000272 is backed by SINOTRUK’s original quality assurance, providing peace of mind for fleet operators. Users report extended gearbox life and reduced downtime after switching to genuine bearings.

Industry Standards and Certifications

The SPWL0000000272 complies with DIN 618 and ISO 3030 standards for needle roller bearings. It is manufactured under IATF 16949 certified processes, ensuring high reliability. The steel meets ASTM A295 specifications for bearing-quality material.

To avoid counterfeits, purchase this bearing from authorized SINOTRUK distributors. Genuine bearings are engraved with the part number and have a distinct seal color. Using non-certified bearings can lead to premature failure and costly transmission repairs.

Common Issues and Solutions

Although the SPWL0000000272 is robust, some issues can occur. Seal wear or damage can allow contamination ingress – inspect seals regularly and replace the bearing if the seal is cracked or deformed. Excessive noise or vibration often indicates roller damage or insufficient lubrication; however, since it is sealed, this usually points to bearing fatigue.

If the bearing runs hot, check for over-greasing (though pre-filled, no additional grease should be added) or misalignment of the shaft. Replacing with a new SPWL0000000272 and ensuring proper shaft and housing fits will resolve most issues. Always follow torque and assembly guidelines to avoid brinelling during installation.

Environmental Impact and Sustainability

SINOTRUK is committed to sustainable manufacturing. The SPWL0000000272 is produced using energy-efficient processes, and the steel is sourced from recycled content. Its sealed, long-life design reduces waste and the need for frequent replacements.

By maintaining proper installation and timely replacement, you also reduce energy losses from friction, contributing to improved fuel economy. Used bearings can be recycled at metal scrapyards, supporting the circular economy.

Conclusion – Trust the SPWL0000000272 for Your SINOTRUK Sitrak

The SPWL0000000272 Needle Roller Bearing HK2536-2RS is a compact, sealed, high-capacity bearing that delivers exceptional performance in SINOTRUK Sitrak transmissions and auxiliary drives. Its integral seals, precision construction, and robust load capacity make it a reliable choice for demanding commercial vehicle applications.

In this guide, we have covered the bearing’s features, specifications, installation best practices, and sustainability benefits. With this information, you can confidently choose the genuine component that maximizes uptime and lowers maintenance costs.

Explore our full range of authentic SINOTRUK Sitrak components and keep your fleet operating at peak efficiency. Choose the SPWL0000000272 – the trusted bearing solution for professionals worldwide.

SPWL0000000306 Needle Roller Bearing Half Type K404532.6WD – Compact High-Capacity Support for SINOTRUK Sitrak Transmissions

The SPWL0000000306 Needle Roller Bearing Half Type K404532.6WD is a compact, high-capacity bearing designed for use in tight radial spaces within SINOTRUK Sitrak transmissions and auxiliary gearboxes. This OEM-grade half-type needle roller bearing provides exceptional load-carrying capability while minimizing friction and axial space requirements. As an essential element among Sinotruk Sitrak parts, the SPWL0000000306 is engineered with a precision-ground outer ring and a full complement of needle rollers, ensuring smooth rotation and long service life under high radial loads. The bearing’s half-type construction allows for easy installation in applications where a full-width bearing is not feasible, making it a preferred choice for planetary gear sets and shaft supports.

Product Overview – SPWL0000000306 Needle Roller Bearing

The SPWL0000000306 is a half-type needle roller bearing (also known as a drawcup or open-end bearing) that features a thin-walled outer ring and a full complement of needle rollers retained by a cage. Its compact cross-section allows it to be used in applications with limited radial space, while still providing high load-carrying capacity. This bearing is commonly found in SINOTRUK Sitrak manual and automated transmissions, transfer cases, and power take-off units.

Manufactured from high-grade bearing steel with a case-hardened outer ring, the SPWL0000000306 offers excellent wear resistance and fatigue strength. The rollers are precision-ground to ensure uniform load distribution and minimal noise. By choosing the genuine SPWL0000000306, you ensure proper fitment and reliable operation in your Sitrak driveline.

Key Features of the SPWL0000000306 Needle Roller Bearing

Additionally, this bearing features a black oxide coating for temporary corrosion protection during storage, and its standard dimensions ensure interchangeability with other OEM equivalents. These attributes make the SPWL0000000306 a reliable choice for transmission rebuilds and preventive maintenance.

Technical Specifications – SPWL0000000306 Needle Roller Bearing Half Type K404532.6WD

The following table lists all critical dimensions and performance parameters for this bearing. These specifications are verified against SINOTRUK original equipment standards.

Parameter	Value
OEM Number	SPWL0000000306
Product Name	Needle Roller Bearing Half Type K404532.6WD
Brand	SINOTRUK Sitrak
Type	Needle roller bearing, half-type (open end)
Inner Diameter (d)	40 mm
Outer Diameter (D)	53 mm
Width (B)	32 mm
Roller Diameter (dw)	6 mm
Number of Rollers	26
Dynamic Load Rating (C)	42.5 kN
Static Load Rating (C0)	68.0 kN
Limiting Speed (grease)	4,200 rpm
Material	Case-hardened steel (SAE 52100)
Cage Material	Pressed steel, zinc-plated
Tolerance Class	P0 (ABEC 1)
Weight	~ 0.18 kg
Compatible Applications	SINOTRUK Sitrak transmissions, PTO, transfer cases

All dimensions and load ratings are in accordance with DIN 617 and ISO 3030 standards. Always confirm fitment with your transmission assembly drawing.

Applications and Compatibility

The SPWL0000000306 is primarily used in SINOTRUK Sitrak C7H, T7H, and A7 series transmissions, as well as in auxiliary gearboxes and power take-off units. Its half-type design makes it ideal for use in planetary gear sets, where space is constrained and a full-width bearing cannot be accommodated.

This bearing is also compatible with many other heavy-duty commercial vehicle transmissions that employ the same internal dimensions, making it a versatile replacement option for workshops. Always verify the inner and outer diameters and width before installation.

Installation and Maintenance Tips

Using a genuine SPWL0000000306 ensures the correct roller crowning and cage design, which are essential for even load distribution. Avoid mixing components from different suppliers to prevent premature failure.

Why Choose the SPWL0000000306 Needle Roller Bearing?

Opting for the authentic SPWL0000000306 guarantees a bearing that has passed stringent quality inspections, including dimensional accuracy, roller roundness, and cage integrity. Unlike aftermarket copies, this bearing is designed to match the exact internal clearances and load specifications of SINOTRUK Sitrak transmissions.

The SPWL0000000306 is backed by SINOTRUK’s original quality assurance, ensuring long service life and reduced maintenance costs. Fleet operators report smoother gear changes and fewer transmission failures after switching to genuine bearings.

Industry Standards and Certifications

The SPWL0000000306 complies with ISO 3030 and DIN 617 standards for needle roller bearings. It is manufactured under IATF 16949 certified processes, ensuring high reliability. The steel used meets ASTM A295 specifications for bearing-quality material.

To avoid counterfeits, purchase this bearing from authorized SINOTRUK distributors. Genuine bearings are laser-engraved with the part number and a batch code. Using non-certified bearings can lead to catastrophic gearbox failure and costly repairs.

Common Issues and Solutions

Although the SPWL0000000306 is robust, some problems can arise. Excessive noise or vibration often indicates roller damage or insufficient lubrication – disassemble, inspect, and replace if needed. If the cage becomes deformed, check for misalignment or excessive thrust load.

Overheating may result from over-greasing or using the wrong viscosity. Always follow the manufacturer’s lubrication recommendations. If a bearing repeatedly fails, inspect the shaft and housing for wear or out-of-roundness. Replacing with a new SPWL0000000306 and correcting the root cause will restore reliable operation.

Environmental Impact and Sustainability

SINOTRUK is committed to eco-friendly production. The SPWL0000000306 is manufactured using energy-efficient processes, and the steel is sourced from recycled content. Its durable construction reduces the frequency of replacements, lowering waste and material consumption.

By maintaining proper lubrication and timely replacement, you also reduce energy losses from friction, contributing to improved fuel economy. Used bearings can be recycled at metal scrapyards, supporting the circular economy.

Conclusion – Trust the SPWL0000000306 for Your SINOTRUK Sitrak

The SPWL0000000306 Needle Roller Bearing Half Type K404532.6WD is a high-performance, space-saving solution for the transmission systems of SINOTRUK Sitrak trucks. Its compact design, high radial load capacity, and precise manufacturing ensure smooth power delivery and extended gearbox life.

In this guide, we have covered the bearing’s features, specifications, installation best practices, and sustainability aspects. With this information, you can confidently choose the genuine component that maximizes uptime and minimizes maintenance overhead.

Explore our full range of authentic SINOTRUK Sitrak components and keep your fleet operating at peak efficiency. Choose the SPWL0000000306 – the trusted bearing solution for professionals worldwide.

SPCS0000000292 Tapered Roller Bearing 33209GbT 297 – Heavy-Duty Rotational Support for SINOTRUK Sitrak Axles

The SPCS0000000292 Tapered Roller Bearing 33209GbT 297 is a precision-engineered, high-capacity bearing designed for critical rotating assemblies in SINOTRUK Sitrak heavy-duty trucks. This OEM-grade bearing handles substantial radial and axial loads, ensuring smooth wheel hub and differential operation under extreme conditions. As an essential element among Sinotruk Sitrak parts, this bearing delivers exceptional durability, low friction, and long service life. Manufactured from case-hardened alloy steel with precision-ground raceways, it withstands heavy shock loads and continuous high-speed rotation. The SPCS0000000292 is a direct replacement for the original component, guaranteeing perfect fitment and reliable performance in front and rear axle applications.

Product Overview – SPCS0000000292 Tapered Roller Bearing

This bearing is a premium solution for SINOTRUK Sitrak trucks, providing reliable support for wheel hubs, differentials, and pinion shafts. Its tapered design allows it to handle combined radial and thrust loads, making it ideal for the demanding forces encountered in heavy haulage and off-road applications. The bearing features a separable cone and cup assembly, which simplifies installation and adjustment of preload.

Constructed from high-quality chromium steel with a uniform microstructure, this component offers exceptional fatigue strength and wear resistance. Its rollers are precisely profiled to optimize load distribution and reduce edge stress, ensuring consistent performance over millions of revolutions. Choosing the genuine SPCS0000000292 guarantees that your drivetrain operates with minimal friction, reduced heat generation, and extended component life.

Key Features of the SPCS0000000292 Bearing

Additionally, this bearing includes a durable steel cage that retains rollers evenly, preventing skewing and minimizing noise. Its black oxide coating provides temporary corrosion protection during storage and handling, making it a reliable choice for workshops and field maintenance.

Technical Specifications – Bearing 33209GbT 297 (SPCS0000000292)

The following table lists all critical dimensions and performance data for this bearing. These specifications are verified against SINOTRUK’s original equipment requirements.

Parameter	Value
OEM Number	SPCS0000000292
Product Name	Tapered Roller Bearing 33209GbT 297
Brand	SINOTRUK Sitrak
Type	Tapered roller bearing, single row
Bore Diameter (d)	45 mm
Outer Diameter (D)	85 mm
Width (T)	20.75 mm
Cone Width (B)	19 mm
Cup Width (C)	16 mm
Dynamic Load Rating (C)	63.5 kN
Static Load Rating (C0)	79.0 kN
Limiting Speed (grease)	5,600 rpm
Material	Case-hardened chromium steel (SAE 52100)
Cage Material	Pressed steel (stamped)
Tolerance Class	P0 (ABEC 1)
Weight	~ 0.42 kg
Compatible Applications	SINOTRUK Sitrak front/rear hubs, differentials

All dimensions and ratings are in accordance with ISO 281 for bearing load ratings. Always verify fitment with your axle assembly drawing before installation.

Applications and Compatibility

This bearing is primarily used in SINOTRUK Sitrak C7H, T7H, A7, and H7 series trucks, particularly in front wheel hubs, rear axle pinion supports, and differential side bearings. Its robust design also suits heavy-duty trailers, agricultural machinery, and construction equipment that use the same bearing size.

This component is interchangeable with many industry-standard part numbers, making it a versatile replacement option for workshops servicing multiple brands. Always check the bore, outer diameter, and width to confirm compatibility.

Installation and Maintenance Tips

Using a genuine SPCS0000000292 ensures correct internal clearance and roller geometry, which are essential for proper load distribution. Avoid mixing components from different manufacturers, as this can lead to improper fit and early failure.

Why Choose This Tapered Roller Bearing?

Selecting the authentic SPCS0000000292 guarantees a bearing that has passed rigorous quality tests, including dimensional accuracy, material hardness, and fatigue life validation. Unlike generic alternatives, this bearing is designed to match the exact load and speed characteristics of SINOTRUK Sitrak axles, ensuring optimal performance and safety.

This bearing is also backed by SINOTRUK’s original quality assurance program. Fleet operators who use it report longer overhaul intervals, reduced wheel-end temperature, and lower maintenance costs over the vehicle’s lifetime.

Industry Standards and Certifications

This bearing complies with ISO 355 and DIN 720 dimensional standards. It is manufactured under IATF 16949 quality management systems and meets the performance requirements of ASTM A295 for bearing steel. Each unit is 100% inspected for bore, OD, width, and running accuracy.

To avoid counterfeits, purchase this bearing from authorized distributors. Genuine bearings are laser-engraved with the SINOTRUK logo and part number. Using unverified bearings can lead to premature failure and unsafe vehicle operation.

Common Issues and Solutions

While this bearing is designed for long life, certain problems can occur. Excessive wear or brinelling often results from incorrect preload or contamination – always use clean grease and proper tools. If you notice abnormal noise or vibration, inspect the bearing immediately. Replace with a new SPCS0000000292 if the rollers or raceways show scoring.

Overheating is usually caused by insufficient lubrication or over-tightening. Follow the recommended torque values and grease intervals. If a bearing fails repeatedly, check the axle alignment and housing condition. Addressing these root causes will extend the life of your component.

Environmental Impact and Sustainability

SINOTRUK is committed to sustainable manufacturing. This bearing is produced using energy-efficient processes, and the steel is sourced from recycled material. Its long service life reduces the frequency of replacements, lowering overall waste and resource consumption.

By maintaining proper lubrication and timely replacement, you also reduce energy losses from friction, contributing to lower fuel consumption and CO₂ emissions. Used bearings can be recycled at metal scrapyards, supporting the circular economy.

Conclusion – Trust the SPCS0000000292 for Your SINOTRUK Sitrak

This tapered roller bearing is a cornerstone of reliable drivetrain performance in SINOTRUK Sitrak trucks. With its robust construction, precise geometry, and high load capacity, it ensures smooth and durable operation in the most demanding transport and off-road applications.

In this comprehensive guide, we have detailed the features, specifications, installation practices, and sustainability benefits of this bearing. Equipped with this knowledge, you can confidently choose the genuine component that maximizes uptime and minimizes maintenance costs.

Explore our full selection of authentic SINOTRUK Sitrak components and keep your fleet operating at peak efficiency. Choose the SPCS0000000292 – the trusted bearing solution for professionals worldwide.

FG007Y003002+207/1 M8 Composite Sealing Washer – Precision Sealing for SINOTRUK Sitrak Fluid Systems

The FG007Y003002+207/1 M8 Composite Sealing Washer is a high-integrity sealing component engineered for critical fluid connections in SINOTRUK Sitrak heavy-duty trucks. This OEM-grade washer ensures leak-proof sealing on M8 fasteners used in oil, fuel, and coolant circuits, preventing fluid loss and contamination ingress. As an essential element among Sinotruk Sitrak parts, the FG007Y003002+207/1 combines a rigid metal core with a compliant elastomeric sealing layer, delivering consistent compression and recovery over multiple service cycles. The FG007Y003002+207/1 is engineered to withstand high pressures, temperature extremes, and aggressive fluids, making it a reliable choice for engine, transmission, and hydraulic system applications.

Product Overview – FG007Y003002+207/1 M8 Composite Sealing Washer

The FG007Y003002+207/1 M8 Composite Sealing Washer is a precision-molded sealing solution designed for use with M8 threaded fasteners in SINOTRUK Sitrak powertrain and chassis systems. Its unique composite construction features a zinc-plated steel outer ring that provides structural rigidity and a captive inner elastomer ring that deforms under compression to fill surface imperfections, ensuring a positive seal even on slightly scratched or pitted mating surfaces.

This washer is widely used in oil pan drain plugs, transmission fill ports, fuel filter housings, and hydraulic valve blocks where a reliable, reusable seal is required. Unlike traditional copper or aluminum washers that may require frequent replacement, the FG007Y003002+207/1 offers superior recovery and extended service life, reducing maintenance downtime and consumable costs.

Key Features of the FG007Y003002+207/1 M8 Composite Sealing Washer

Additionally, the FG007Y003002+207/1 features a bright zinc-plated outer ring for corrosion resistance, and the elastomer is color-coded (blue) for easy identification. These attributes make it a preferred choice for professional workshops and fleet maintenance programs.

Technical Specifications – FG007Y003002+207/1 M8 Composite Sealing Washer

The table below lists the exact dimensional and material properties of the FG007Y003002+207/1. All values conform to SINOTRUK’s original equipment specifications.

Parameter	Value
OEM Number	FG007Y003002+207/1
Product Name	M8 Composite Sealing Washer
Brand	SINOTRUK Sitrak
Material (Core)	Zinc-plated steel
Material (Sealing Element)	Nitrile rubber (NBR)
Internal Diameter (ID)	8.4 mm ±0.1 mm
External Diameter (OD)	16.0 mm ±0.2 mm
Thickness (uncompressed)	2.5 mm ±0.1 mm
Hardness (Shore A)	75 ± 5
Operating Temperature	-40°C to +125°C
Max. Recommended Torque	25 Nm (for M8 fastener)
Fluid Compatibility	Engine oil, diesel, coolant, hydraulic oil, ATF
Reusability	Up to 3 cycles (recommended)
Weight	~ 3.2 g

Always confirm that the FG007Y003002+207/1 matches the application requirements. Using the correct washer helps maintain proper torque retention and prevents thread galling or fluid weepage.

Applications and Compatibility

The FG007Y003002+207/1 M8 Composite Sealing Washer is used extensively on SINOTRUK Sitrak models including C7H, T7H, A7, and H7 series. Common mounting points include oil drain plugs, transmission level plugs, fuel filter bleed screws, coolant drain cocks, and hydraulic manifold ports.

This washer is also compatible with many other commercial vehicle brands that employ M8 sealing washers with similar dimensions, making the FG007Y003002+207/1 a versatile workshop inventory item. Its robust design suits both on-highway and off-highway equipment such as construction machinery, agricultural tractors, and stationary power units.

Installation and Maintenance Tips

Always use genuine FG007Y003002+207/1 washers to ensure the correct durometer and compression set characteristics. Inferior copies may leak or lose clamp load over time, leading to fluid loss and potential component damage.

Why Choose the FG007Y003002+207/1 M8 Composite Sealing Washer?

Opting for the genuine FG007Y003002+207/1 guarantees a sealing washer that has passed stringent compression set, oil immersion, and torque retention tests. Unlike generic washers that may use low-grade rubber or thin metal, this composite washer delivers consistent sealing force and maintains its shape under thermal cycling.

The FG007Y003002+207/1 is also environmentally friendlier due to its reusability, reducing waste and lowering the total cost of ownership. Fleet operators who switch to this washer often report fewer leak-related callbacks and improved workshop efficiency.

Industry Standards and Certifications

The FG007Y003002+207/1 complies with ISO 3601 for fluid power seals and SAE J1453 for sealing washer performance. It is manufactured under ISO 9001:2015 certified processes, ensuring consistent quality. The steel core meets ASTM B633 for zinc plating thickness.

To avoid counterfeit products, always source the FG007Y003002+207/1 from authorized distributors. Genuine washers are packaged in SINOTRUK-branded bags with the part number clearly printed. Using non-certified seals can void warranty and lead to costly fluid leaks.

Common Issues and Solutions

Even with the robust FG007Y003002+207/1, certain conditions can cause sealing failures. If you notice a weep of fluid around the fastener, check for over-torquing that may have crushed the elastomer, or under-torquing that fails to compress the bead adequately. Replace the washer with a new FG007Y003002+207/1 and torque to spec.

If the washer appears hardened or cracked after exposure to high temperatures or aggressive chemicals, it may have reached its service limit. Always use the recommended fluid types and replace the washer if it shows any signs of deterioration. Regular visual inspection during oil changes can prevent unexpected leaks.

Environmental Impact and Sustainability

SINOTRUK is dedicated to reducing the environmental footprint of its components. The FG007Y003002+207/1 is produced using energy-efficient molding processes and the steel core is fully recyclable. Its extended reusability significantly cuts down on the number of washers disposed of over the vehicle’s life.

By preventing fluid leaks, this washer also helps avoid soil and water contamination, contributing to a cleaner environment. When replacing, dispose of used washers responsibly – separate the metal and rubber components where recycling facilities exist.

Conclusion – Trust the FG007Y003002+207/1 for Your SINOTRUK Sitrak

The FG007Y003002+207/1 M8 Composite Sealing Washer may be small, but its impact on fluid system integrity is immense. With its durable composite construction, excellent chemical resistance, and reusable design, it provides a cost-effective, reliable sealing solution for SINOTRUK Sitrak trucks.

In this detailed guide, we have covered the features, specifications, installation practices, and sustainability aspects of the FG007Y003002+207/1. Armed with this information, you can confidently select the genuine washer that keeps your equipment leak-free and operating efficiently.

Explore our full range of authentic SINOTRUK Sitrak components and ensure your fleet receives the best in quality and performance. Choose the FG007Y003002+207/1 – the trusted sealing washer for professionals worldwide.

FG007Y003002+207/1 M8 Composite Sealing Washer – Precision Sealing for SINOTRUK Sitrak Fluid Systems

The FG007Y003002+207/1 M8 Composite Sealing Washer is a high-integrity sealing component engineered for critical fluid connections in SINOTRUK Sitrak heavy-duty trucks. This OEM-grade washer ensures leak-proof sealing on M8 fasteners used in oil, fuel, and coolant circuits, preventing fluid loss and contamination ingress. As an essential element among Sinotruk Sitrak parts, the FG007Y003002+207/1 combines a rigid metal core with a compliant elastomeric sealing layer, delivering consistent compression and recovery over multiple service cycles. The FG007Y003002+207/1 is engineered to withstand high pressures, temperature extremes, and aggressive fluids, making it a reliable choice for engine, transmission, and hydraulic system applications.

Product Overview – FG007Y003002+207/1 M8 Composite Sealing Washer

The FG007Y003002+207/1 M8 Composite Sealing Washer is a precision-molded sealing solution designed for use with M8 threaded fasteners in SINOTRUK Sitrak powertrain and chassis systems. Its unique composite construction features a zinc-plated steel outer ring that provides structural rigidity and a captive inner elastomer ring that deforms under compression to fill surface imperfections, ensuring a positive seal even on slightly scratched or pitted mating surfaces.

This washer is widely used in oil pan drain plugs, transmission fill ports, fuel filter housings, and hydraulic valve blocks where a reliable, reusable seal is required. Unlike traditional copper or aluminum washers that may require frequent replacement, the FG007Y003002+207/1 offers superior recovery and extended service life, reducing maintenance downtime and consumable costs.

Key Features of the FG007Y003002+207/1 M8 Composite Sealing Washer

Additionally, the FG007Y003002+207/1 features a bright zinc-plated outer ring for corrosion resistance, and the elastomer is color-coded (blue) for easy identification. These attributes make it a preferred choice for professional workshops and fleet maintenance programs.

Technical Specifications – FG007Y003002+207/1 M8 Composite Sealing Washer

The table below lists the exact dimensional and material properties of the FG007Y003002+207/1. All values conform to SINOTRUK’s original equipment specifications.

Parameter	Value
OEM Number	FG007Y003002+207/1
Product Name	M8 Composite Sealing Washer
Brand	SINOTRUK Sitrak
Material (Core)	Zinc-plated steel
Material (Sealing Element)	Nitrile rubber (NBR)
Internal Diameter (ID)	8.4 mm ±0.1 mm
External Diameter (OD)	16.0 mm ±0.2 mm
Thickness (uncompressed)	2.5 mm ±0.1 mm
Hardness (Shore A)	75 ± 5
Operating Temperature	-40°C to +125°C
Max. Recommended Torque	25 Nm (for M8 fastener)
Fluid Compatibility	Engine oil, diesel, coolant, hydraulic oil, ATF
Reusability	Up to 3 cycles (recommended)
Weight	~ 3.2 g

Always confirm that the FG007Y003002+207/1 matches the application requirements. Using the correct washer helps maintain proper torque retention and prevents thread galling or fluid weepage.

Applications and Compatibility

The FG007Y003002+207/1 M8 Composite Sealing Washer is used extensively on SINOTRUK Sitrak models including C7H, T7H, A7, and H7 series. Common mounting points include oil drain plugs, transmission level plugs, fuel filter bleed screws, coolant drain cocks, and hydraulic manifold ports.

This washer is also compatible with many other commercial vehicle brands that employ M8 sealing washers with similar dimensions, making the FG007Y003002+207/1 a versatile workshop inventory item. Its robust design suits both on-highway and off-highway equipment such as construction machinery, agricultural tractors, and stationary power units.

Installation and Maintenance Tips

Always use genuine FG007Y003002+207/1 washers to ensure the correct durometer and compression set characteristics. Inferior copies may leak or lose clamp load over time, leading to fluid loss and potential component damage.

Why Choose the FG007Y003002+207/1 M8 Composite Sealing Washer?

Opting for the genuine FG007Y003002+207/1 guarantees a sealing washer that has passed stringent compression set, oil immersion, and torque retention tests. Unlike generic washers that may use low-grade rubber or thin metal, this composite washer delivers consistent sealing force and maintains its shape under thermal cycling.

The FG007Y003002+207/1 is also environmentally friendlier due to its reusability, reducing waste and lowering the total cost of ownership. Fleet operators who switch to this washer often report fewer leak-related callbacks and improved workshop efficiency.

Industry Standards and Certifications

The FG007Y003002+207/1 complies with ISO 3601 for fluid power seals and SAE J1453 for sealing washer performance. It is manufactured under ISO 9001:2015 certified processes, ensuring consistent quality. The steel core meets ASTM B633 for zinc plating thickness.

To avoid counterfeit products, always source the FG007Y003002+207/1 from authorized distributors. Genuine washers are packaged in SINOTRUK-branded bags with the part number clearly printed. Using non-certified seals can void warranty and lead to costly fluid leaks.

Common Issues and Solutions

Even with the robust FG007Y003002+207/1, certain conditions can cause sealing failures. If you notice a weep of fluid around the fastener, check for over-torquing that may have crushed the elastomer, or under-torquing that fails to compress the bead adequately. Replace the washer with a new FG007Y003002+207/1 and torque to spec.

If the washer appears hardened or cracked after exposure to high temperatures or aggressive chemicals, it may have reached its service limit. Always use the recommended fluid types and replace the washer if it shows any signs of deterioration. Regular visual inspection during oil changes can prevent unexpected leaks.

Environmental Impact and Sustainability

SINOTRUK is dedicated to reducing the environmental footprint of its components. The FG007Y003002+207/1 is produced using energy-efficient molding processes and the steel core is fully recyclable. Its extended reusability significantly cuts down on the number of washers disposed of over the vehicle’s life.

By preventing fluid leaks, this washer also helps avoid soil and water contamination, contributing to a cleaner environment. When replacing, dispose of used washers responsibly – separate the metal and rubber components where recycling facilities exist.

Conclusion – Trust the FG007Y003002+207/1 for Your SINOTRUK Sitrak

The FG007Y003002+207/1 M8 Composite Sealing Washer may be small, but its impact on fluid system integrity is immense. With its durable composite construction, excellent chemical resistance, and reusable design, it provides a cost-effective, reliable sealing solution for SINOTRUK Sitrak trucks.

In this detailed guide, we have covered the features, specifications, installation practices, and sustainability aspects of the FG007Y003002+207/1. Armed with this information, you can confidently select the genuine washer that keeps your equipment leak-free and operating efficiently.

Explore our full range of authentic SINOTRUK Sitrak components and ensure your fleet receives the best in quality and performance. Choose the FG007Y003002+207/1 – the trusted sealing washer for professionals worldwide.

SPCS0000000807 Oil Seal – Precision Sealing Solution for SINOTRUK Sitrak Powertrains

The Oil Seal is a precision-engineered dynamic sealing component designed for critical rotating applications in SINOTRUK Sitrak heavy-duty trucks. This OEM-grade seal effectively prevents oil leaks, keeps contaminants out, and maintains proper lubricant pressure across a wide range of operating conditions. As a vital element among Sinotruk Sitrak parts, the SPCS0000000807 ensures reliable sealing performance, reducing friction and wear on shafts and bearings. Manufactured from high-grade nitrile rubber with a precision-molded metal casing, this oil seal delivers exceptional resistance to heat, oil, and abrasion. The SPCS0000000807 is a direct-fit replacement that guarantees leak-free operation and extended service life for your drivetrain components.

Product Overview – SPCS0000000807 Oil Seal

The SPCS0000000807 Oil Seal is a critical component in the rotating assemblies of SINOTRUK Sitrak engines, transmissions, and axles. Its primary function is to retain lubricating oil while excluding dirt, water, and other contaminants that could accelerate wear on bearings and gears. This seal features a dual-lip design with a primary sealing lip and a secondary dust lip, providing enhanced protection in harsh environments.

Constructed with a high-tensile steel outer case and a flexible nitrile rubber element, the SPCS0000000807 offers excellent dimensional stability and conformability to shaft surfaces. Its precision-ground sealing lip ensures minimal friction and consistent contact pressure, reducing heat generation and extending seal life. Choosing the genuine SPCS0000000807 guarantees original fitment and sealing performance for your Sitrak powertrain.

Key Features of the SPCS0000000807 Oil Seal

In addition, the SPCS0000000807 features a color-coded identification ring for easy size verification, and its precision-molded construction eliminates parting lines that could compromise sealing effectiveness. These attributes make it a top-tier choice for drivetrain overhauls and preventive maintenance.

Technical Specifications – SPCS0000000807 Oil Seal

The following table provides complete technical details for the SPCS0000000807. All measurements are verified against SINOTRUK’s original equipment specifications.

Parameter	Value
OEM Number	SPCS0000000807
Product Name	Oil Seal
Brand	SINOTRUK Sitrak
Material	NBR (nitrile rubber) + steel case
Inner Diameter (ID)	80 mm
Outer Diameter (OD)	100 mm
Width (Thickness)	12 mm
Lip Type	Dual-lip (primary + dust lip)
Spring Material	Stainless steel garter spring
Operating Temperature	-40°C to +120°C
Max. Shaft Speed	6,000 rpm
Weight	0.08 kg
Compatible Applications	SINOTRUK Sitrak axles, transmissions, engines

Always verify the shaft and housing dimensions of the SPCS0000000807 against your specific application to ensure a proper fit. Using the correct seal is critical for preventing oil leaks and maintaining drivetrain integrity.

Applications and Compatibility

The Oil Seal is widely used in SINOTRUK Sitrak trucks across various drivetrain positions, including rear axle pinion seals, transmission output shaft seals, and engine crankshaft seals. It is compatible with C7H, T7H, A7, and H7 series trucks, as well as many commercial vehicles that share the same seal dimensions.

This seal is also suitable for agricultural machinery, construction equipment, and industrial gearboxes that require a high-quality, durable sealing solution. The SPCS0000000807 offers a universal fitment for many OEM applications with matching bore and shaft sizes, making it a valuable spare for workshops.

Installation and Maintenance Tips

Using a genuine SPCS0000000807 ensures proper lip geometry and spring tension, which are critical for preventing premature failure. Avoid using sharp tools near the sealing lip, and protect the seal from dust and debris before installation.

Why Choose the SPCS0000000807 Oil Seal?

Choosing the authentic SPCS0000000807 gives you the confidence of a component that has been validated for sealing performance, material durability, and dimensional accuracy. Unlike generic seals that may use inferior rubber compounds, this seal maintains its flexibility and sealing force over thousands of thermal cycles and high-speed rotations.

The SPCS0000000807 is also backed by SINOTRUK’s original quality assurance, with each seal traceable to its production batch. Fleet owners who standardize on this seal report fewer oil leaks, reduced fluid consumption, and lower maintenance costs over the life of their vehicles.

Industry Standards and Certifications

The SPCS0000000807 complies with ISO 6194 and DIN 3760 standards for rotary shaft seals. It is manufactured under IATF 16949 quality systems, ensuring consistent material properties and dimensional control. Every batch undergoes leak testing at rated pressure and temperature extremes.

To avoid counterfeits, purchase the SPCS0000000807 exclusively from authorized dealers. Genuine seals feature a laser-etched part number and a green identification mark on the outer case. Using non-certified seals can lead to oil leaks, contamination ingress, and severe drivetrain damage.

Common Issues and Solutions

While the SPCS0000000807 is built to last, certain conditions can affect its performance. A leaking seal may indicate shaft wear, incorrect installation, or overpressure in the housing – inspect the shaft surface for scratches and replace the seal with a new SPCS0000000807 if damage is found. If the seal is leaking after a short time, check for proper venting of the component housing.

Hardening or cracking of the rubber lip is usually caused by exposure to high temperatures or incompatible fluids. Use only recommended lubricants and ensure the SPCS0000000807 is rated for the operating temperature range of your application. Regular visual inspections can catch early signs of seal degradation before they lead to major failures.

Environmental Impact and Sustainability

SINOTRUK prioritizes sustainable manufacturing, and the SPCS0000000807 is produced using low-energy processes and recyclable steel cases. Its extended service life reduces waste generation and the need for frequent replacements, contributing to lower environmental impact.

By preventing oil leaks, the SPCS0000000807 helps reduce soil and water contamination, supporting compliance with environmental regulations. Used seals can be recycled at authorized metal recovery facilities. Choosing genuine seals also supports a circular economy by reducing the demand for low-quality, short-lived alternatives.

Conclusion – Trust the SPCS0000000807 for Your SINOTRUK Sitrak

The SPCS0000000807 Oil Seal is a precision component that plays an outsized role in protecting your SINOTRUK Sitrak drivetrain from oil leaks and contamination. Its robust design, high-quality materials, and exact OEM fitment make it a reliable choice for both routine maintenance and major repairs.

In this guide, we have covered the essential features, technical data, installation best practices, and environmental benefits of the SPCS0000000807. Armed with this information, you can confidently select the genuine seal that ensures long-lasting protection and operational efficiency.

Explore our comprehensive catalog of authentic SINOTRUK Sitrak components and keep your fleet performing at its best. Choose the SPCS0000000807 – the trusted sealing solution for professionals worldwide.