- ADDRESS：Wanda Plaza, Jinan, Shandong, China
- Wanda Plaza, Jinan, Shandong, China
- +8617615809553
- info@deruna.com
Introduce the precision-crafted BY612630050146 Intake Valve, a fundamental component designed to master the critical air intake process in SHACMAN diesel engines. This genuine OEM part is engineered to deliver precise, reliable airflow into the combustion chamber, directly influencing power output, fuel efficiency, and emission control. As a trusted supplier of Shacman truck parts, we understand that engine breathing is the foundation of performance.
The BY612630050146 intake valve is manufactured to exact SHACMAN specifications, providing exceptional material strength, heat resistance, and perfect dimensional tolerances. Its function is to open and close the intake port at precisely timed intervals, allowing the optimal volume of fresh air to enter the cylinder for efficient combustion. For technicians and fleet operators, understanding the role of the BY612630050146 is key to maintaining engine power, preventing misfires, and ensuring the long-term reliability of the valve train in the most demanding heavy-duty operating conditions.
Intake Valve
впускной клапан
High-Strength Martensitic Steel Construction: The BY612630050146 valve is forged from high-grade martensitic steel, providing an optimal balance of tensile strength, toughness, and resistance to fatigue and mechanical stress at high operational speeds and temperatures.
Precision-Machined Seat Face with Hardfacing: Features a machined seat angle, often enhanced with a thin layer of stellite or similar hard alloy, to ensure a perfect, gas-tight seal against the valve seat insert, resisting wear and micro-welding.
Optimized Stem Design and Surface Treatment: The stem is precision-ground and typically treated with a nitro-carburizing or chrome plating process to minimize friction in the valve guide, prevent scuffing, and ensure long-lasting, smooth operation.
Aerodynamic Head Profile: The valve head is designed with a smooth, aerodynamic profile to promote efficient, turbulence-free airflow into the cylinder, contributing to better volumetric efficiency and more complete combustion.
The table below details the technical specifications for the BY612630050146 Intake Valve. This data is essential for verifying compatibility and ensuring correct engine assembly.
| Parameter | Value / Description |
|---|---|
| OEM Part Number | BY612630050146 |
| Product Name | Intake Valve |
| Brand | SHACMAN |
| Valve Head Material | Martensitic Heat-Resistant Steel (e.g., X45CrSi9-3) |
| Stem Material & Treatment | Alloy Steel, Nitro-Carburized or Chrome Plated |
| Seat Face Hardfacing | Stellite or Similar Wear-Resistant Alloy (if applicable) |
| Stem Diameter (Approx.) | 10 mm (Varies by engine model) |
| Head Diameter (Approx.) | 48 mm (Varies by engine model; typically larger than exhaust valve) |
| Overall Length (Approx.) | 152 mm (Varies by engine model) |
| Maximum Operating Temperature | Up to 550°C (1022°F) |
| Compatible SHACMAN Engine Models | Specifically designed for use in SHACMAN F3000, X3000, and M3000 series engines with corresponding displacements. |
Always confirm the compatibility of BY612630050146 with your specific engine using the Vehicle Identification Number (VIN) or official SHACMAN technical documentation.
The BY612630050146 intake valve is a critical component in the engine’s four-stroke cycle. It is located in the cylinder head and controls the entry of fresh air into the combustion chamber.
During the intake stroke, the valve opens precisely as the piston moves downward, creating a vacuum that draws in air. The efficiency of this process, known as volumetric efficiency, is crucial for engine power.
A properly functioning BY612630050146 valve allows the maximum possible air charge to enter. This air is necessary for the complete combustion of diesel fuel injected later in the cycle.
When closed, the valve must form a perfect seal with its seat to contain the high compression pressures and the combustion event. Any leakage leads to a loss of compression, reducing power and potentially causing backfiring.
In modern turbocharged and intercooled engines, the intake valve operates in a pressurized environment. The BY612630050146 is designed to withstand these conditions while maintaining precise timing and lift.
Its performance directly impacts fuel economy, emissions, and throttle response. A worn or leaking intake valve can cause rough idling, hard starting, and a significant drop in overall engine efficiency.
1. Ensure the engine is cool and the cylinder head is securely mounted on a clean bench. Work in a dust-free environment.
2. Inspect the valve guide for wear and replace if necessary. A worn guide will cause poor valve sealing and rapid stem wear on the new BY612630050146.
3. Liberally lubricate the stem of the new intake valve with clean engine assembly oil. Carefully insert it into its designated guide.
4. Install the valve spring, retainer, and keepers using a proper valve spring compressor tool. Ensure the keepers are fully seated in the groove.
5. Perform a valve lapping procedure (if recommended) to ensure a perfect seal between the BY612630050146 valve face and the valve seat insert.
6. Set the intake valve clearance (lash) to the exact specification provided in the SHACMAN service manual for your engine model.
7. After reassembly of the cylinder head, perform a compression test or leak-down test to verify the sealing integrity of all valves, including the new BY612630050146.
• Inspect the BY612630050146 valves during every major engine overhaul. Check for signs of wear on the stem, face, and margin.
• Look for carbon buildup on the valve head and stem, which can affect seating and movement. Clean valves thoroughly during service.
• Measure valve stem diameter for wear and stretching. Check the valve head for thickness reduction, especially after multiple re-facing operations.
• Inspect the valve seat face for pitting, burning, or grooves. A compromised seat will not seal properly, regardless of the valve’s condition.
• Always check and adjust valve lash at the manufacturer’s recommended service intervals. Incorrect lash affects performance and accelerates wear.
• Ensure the air filtration system is functioning perfectly. Ingested dirt is a primary cause of intake valve and seat wear.
Proper installation and periodic adjustment of valve clearance are critical for the longevity and performance of the BY612630050146 intake valve. Never skip these vital steps.
Choosing the genuine BY612630050146 intake valve guarantees material integrity that meets the original SHACMAN engineering standards. The specific steel alloy and heat treatment are optimized for intake valve duties.
Aftermarket valves may use incorrect materials or heat treatment processes, leading to premature wear, valve head tuliping (distortion), or even stem fracture under high-cycle fatigue.
The genuine BY612630050146 undergoes stringent quality control, including metallurgical checks, hardness testing across critical zones, and dimensional verification to within micron tolerances.
This ensures a perfect fit in the valve guide and a perfect seal against the matching valve seat insert. This preserves engine compression, volumetric efficiency, and power as designed.
Using the authentic component also helps maintain the vehicle’s warranty and provides the peace of mind that comes with using a part designed for your specific SHACMAN engine’s operating profile.
Experienced engine rebuilders note that the genuine BY612630050146 valves have consistent dimensions and finish. This allows for predictable and efficient lapping and seating during assembly.
Fleet maintenance reports show that engines overhauled with OEM valve train components, including the BY612630050146, maintain stable compression readings and consistent power output for extended periods.
This reliability translates into predictable maintenance costs and higher vehicle utilization rates. Operators report improved throttle response and smoother engine operation after a valve job with genuine parts.
The durability of the BY612630050146 in high-mileage applications is well-regarded, particularly its resistance to stem wear and face pitting caused by modern fuel compositions and EGR systems.
Professional workshops rely on genuine SHACMAN parts like the BY612630050146 to ensure quality rebuilds, minimize comebacks, and build a reputation for reliable repair work.
The BY612630050146 intake valve plays a direct role in improving fuel efficiency and reducing emissions. By allowing an optimal charge of air into the cylinder, it enables more complete and efficient combustion of fuel.
Complete combustion minimizes the production of unburned hydrocarbons and particulate matter. A properly sealing valve also prevents compression loss, which directly reduces fuel consumption.
In engines with Exhaust Gas Recirculation (EGR), the intake valve is exposed to a more corrosive environment. The material and design of the genuine BY612630050146 are selected to resist this corrosion.
Maintaining precise valve timing with a durable component helps the engine management system achieve its targeted air-fuel ratios and emission control strategies effectively.
Thus, a simple component like the BY612630050146 contributes significantly to the engine’s environmental footprint and operational economy over its entire service life.
Each BY612630050146 intake valve is produced under a certified quality management system. The manufacturing process includes controlled forging, machining, heat treatment, and final inspection.
As an authentic SHACMAN component, the BY612630050146 is covered by the manufacturer’s warranty against defects in material and workmanship, assuring customers of its reliability and performance.
Purchasing from authorized distributors guarantees you receive a genuine part with full traceability. It also ensures access to accurate technical specifications and installation guidance.
Counterfeit valves often fail to meet material specifications and dimensional standards. Their use risks valve failure, which can lead to catastrophic piston and cylinder head damage.
Protect your engine investment by always verifying the part number and sourcing the genuine BY612630050146 Intake Valve for all maintenance and overhaul work.
The initial cost of a genuine BY612630050146 valve is a small fraction of the total expense of an engine overhaul. Its performance is critical to the success and longevity of the entire repair.
A high-quality intake valve ensures optimal engine breathing, which directly translates to maintained fuel efficiency. Even a small percentage gain in fuel economy saves significant money over a truck’s lifetime.
By preventing compression loss and associated power loss, the BY612630050146 helps the engine operate within its designed parameters, reducing stress on other components like the turbocharger and piston rings.
Its durability means fewer valve adjustments and a lower likelihood of needing another valve job before the next planned major overhaul, reducing total lifecycle maintenance costs.
Investing in genuine components like the BY612630050146 during a rebuild protects the much larger investment in the engine itself, ensuring maximum return and vehicle uptime.
The BY612630050146 is engineered for specific SHACMAN engine models, cylinder head designs, and camshaft profiles. Fitment is precise and not interchangeable with other part numbers or brands.
Using the exact OEM number BY612630050146 is essential. Intake valves often have different stem diameters, head diameters, seat angles, and overall lengths compared to exhaust valves or valves for other engines.
Always verify compatibility using your truck’s Vehicle Identification Number (VIN) or by consulting the official SHACMAN parts catalog and engine service manual for your specific model and year.
Installing an incorrect valve can lead to poor engine performance, valve-to-piston contact, or failure to seal. Never assume a valve is compatible based solely on visual comparison.
Correct fitment of the BY612630050146 ensures the engine achieves its designed air flow, compression ratio, and performance characteristics after service or overhaul.
The BY612630050146 Intake Valve is a cornerstone component for achieving efficient and powerful operation in your SHACMAN engine. Its role in managing the vital air intake process is fundamental to performance, economy, and emissions.
Choosing the genuine BY612630050146 is an investment in precision engineering, material durability, and long-term operational reliability. Trust SHACMAN’s OEM quality to deliver the performance your heavy-duty application demands.
For your next engine rebuild or valve train service, specify the authentic BY612630050146 Intake Valve. Ensure perfect cylinder sealing and airflow, restore full engine power, and drive with confidence knowing your engine breathes at its peak potential.
We are a first-class heavy duty vehicles and spare parts supplier in China. which covers from engine, gearbox, cab, axle assemblies to main assembly accessories, electrical parts and other chassis parts like brake, clutch and steering parts.
A PROFESSIONAL CHINA TRUCK AND SPARE PARTS SUPPLIER
@Copyright DERUNA
