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The rear oil seal seat gasket is a critical sealing component located at the back of the engine, where it seals the interface between the crankshaft rear oil seal housing and the engine block. The genuine SINOTRUK HOWO 150-1002063B Rear Oil Seal Seat Gasket is an OEM‑grade component precision‑engineered for a perfect, leak‑proof fit. As an essential part of the trusted Sinotruk howo parts family, this gasket guarantees exact dimensions, superior material resilience, and reliable sealing under extreme pressures and temperature fluctuations.
Rear Oil Seal Seat Gasket
Прокладка заднего сальника коленвала
Junta del asiento del sello de aceite trasero
The 150-1002063B gasket is manufactured from a high‑quality composite material such as aramid fiber or reinforced rubber, specifically chosen for its excellent resistance to engine oil, high temperatures, and compression set. It is precision‑die‑cut to match the exact contours of the rear oil seal housing and the engine block mounting surface. Its controlled compressibility allows it to fill minor surface irregularities, creating a reliable barrier against oil leaks under high pressure. This gasket ensures that the rear main seal housing is perfectly sealed, preventing oil from escaping the crankcase at the most vulnerable point.
The gasket is designed to withstand the constant vibration and thermal expansion cycles of a heavy‑duty diesel engine. Its material formulation maintains flexibility and sealing force over long periods, preventing hardening and cracking that would lead to leaks. All bolt holes are precisely punched to ensure perfect alignment during installation. Every 150‑1002063B gasket is inspected for dimensional accuracy and material integrity. By ensuring a perfect seal at the rear of the engine, this gasket protects the flywheel, clutch, and bell housing from oil contamination, ensuring reliable drivetrain operation.
The table below provides detailed technical specifications for the genuine SINOTRUK HOWO 150-1002063B Rear Oil Seal Seat Gasket. This data is essential for verifying compatibility and understanding the component’s capabilities.
| Parameter | Specification | Details |
|---|---|---|
| OEM Part Number | 150-1002063B | SINOTRUK HOWO Original Code |
| Product Name | Rear Oil Seal Seat Gasket | Crankshaft rear seal housing gasket |
| Material | Aramid Fiber / NBR Composite | Oil and heat resistant |
| Thickness (mm) | Model‑specific (e.g., 0.8 mm) | Ensures proper compression |
| Bolt Hole Count | 6‑8 (typical) | Matches housing pattern |
| Operating Temperature | -50°C to +150°C | Suitable for all climates |
| Compressibility (%) | 15‑25 | Fills surface imperfections |
| Recovery (%) | ≥ 50 | Maintains seal |
| Tensile Strength (MPa) | ≥ 10 | Durable material |
| Weight (approx.) | 0.05 kg | Lightweight |
| Compatible Engines | SINOTRUK HOWO diesel engines | Verify engine model |
Replacing this gasket typically requires removing the transmission, clutch, and flywheel to access the rear oil seal housing. The old gasket must be carefully scraped off both mating surfaces, which must be cleaned and free of oil residue. The new genuine 150-1002063B gasket is positioned on the housing or block. A thin film of high‑temperature silicone sealant may be recommended in corners. The housing is reinstalled and bolts are torqued to the manufacturer’s specification in a criss‑cross pattern. A new rear main seal should be installed simultaneously.
The 150-1002063B gasket is a direct OEM replacement for specific SINOTRUK HOWO engine families. Compatibility must be verified by matching the part number with your vehicle’s engine model and serial number. Using the correct gasket ensures a perfect seal, preventing oil leaks that could saturate the clutch and lead to drivetrain failure. Always use a new gasket whenever the rear oil seal housing is removed. After installation, refill oil, run the engine, and check for leaks. Genuine SINOTRUK HOWO parts guarantee a perfect fit and reliable sealing.
Before installation, apply a thin layer of high‑temperature sealant to the corners of the gasket where the housing meets the block for added protection against leaks. Ensure the rear main seal is lubricated and installed with the correct tool.
The precision‑engineered 150-1002063B gasket provides a reliable barrier against oil leaks from the rear of the engine. This prevents oil contamination of the clutch and flywheel, ensuring reliable power transmission.
Manufactured from materials that resist degradation from hot engine oil and high under‑hood temperatures, the genuine gasket maintains its sealing properties for the long haul, even in severe service.
A small investment in a genuine gasket during a rear main seal replacement prevents major oil leaks and costly clutch damage. It is an essential part of any engine or transmission service.
A failing gasket often reveals itself through oil leaks at the rear of the engine, oil spots under the bell housing area, and a drop in oil level. In severe cases, oil may contaminate the clutch, causing it to slip or chatter. During clutch replacement or transmission removal, always inspect this gasket and replace it if there is any sign of leakage or damage.
Ignoring a leaking rear gasket can lead to low oil level, engine damage, and expensive clutch failure. Replacing it promptly with a genuine 150-1002063B gasket restores a proper seal and protects your engine and drivetrain investment.
The gasket itself is a wear item that should be replaced whenever the rear oil seal housing is removed. To extend its life, ensure the engine is properly maintained to avoid excessive pressure buildup in the crankcase. Use the recommended engine oil and change it at proper intervals to prevent sludge that can degrade seals.
During any transmission or clutch service, always inspect the rear oil seal area. If there is any sign of leakage, replace the rear main seal and its seat gasket with genuine parts like the 150‑1002063B. Proper torque of the housing bolts is critical; overtightening can distort the housing, while undertightening can cause leaks.
Generic aftermarket gaskets for this critical application may use inferior materials that shrink, harden, or lose compressibility over time, leading to leaks. They may not match the exact thickness or hole pattern, causing misalignment and poor sealing. The genuine SINOTRUK HOWO 150-1002063B gasket is engineered to the exact specifications of your engine, ensuring correct material, thickness, and durability. It is manufactured under strict quality controls to withstand the extreme demands of heavy‑duty diesel operation.
By choosing the authentic part, you protect your investment and ensure your engine stays properly lubricated and leak‑free. For fleet managers and owner‑operators who prioritize reliability, the genuine 150‑1002063B is the only responsible choice.
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