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The crankshaft rear oil seal seat is a precision-machined component that houses the rear main seal, ensuring a leak-proof seal at the back of the engine. The genuine SINOTRUK HOWO 530-1002501 Crankshaft Rear Oil Seal Seat is an OEM‑grade part engineered to exacting tolerances for perfect alignment and long‑term durability. As a critical part of the trusted Sinotruk howo parts family, this seat guarantees perfect fitment, superior material strength, and reliable performance under extreme conditions.
Crankshaft Rear Oil Seal Seat
Гнездо заднего сальника коленвала
Asiento del sello de aceite trasero del cigüeñal
The 530-1002501 seat is manufactured from high‑grade cast iron or steel, chosen for its strength and thermal stability. The component is precision‑machined to ensure a perfectly flat mounting surface against the engine block and a precisely sized bore for the rear main seal. This accuracy guarantees that the seal runs true on the crankshaft, preventing eccentric wear and ensuring a long‑lasting, leak‑free seal. The material is also selected to resist corrosion from oil and coolant exposure.
The sealing surface where the oil seal makes contact is ground to a fine finish, reducing friction and wear on the seal lip. The bolt holes are precisely located to match the engine block, ensuring correct alignment during assembly. Some versions may include a groove for an O‑ring or a gasket surface to provide an additional seal between the seat and the block. Every 530‑1002501 seat is inspected for dimensional accuracy and structural integrity. This robust construction ensures that the rear oil seal seat provides a stable foundation for the main seal for the life of the engine.
The table below provides detailed technical specifications for the genuine SINOTRUK HOWO 530-1002501 Crankshaft Rear Oil Seal Seat. This data is essential for verifying compatibility and understanding the component’s capabilities.
| Parameter | Specification | Details |
|---|---|---|
| OEM Part Number | 530-1002501 | SINOTRUK HOWO Original Code |
| Product Name | Crankshaft Rear Oil Seal Seat | Housing for rear main seal |
| Material | Cast iron / Steel | High strength |
| Seal Bore Diameter (mm) | Model‑specific (e.g., 110 mm) | Precision machined |
| Mounting Bolt Hole Count | 6‑8 | Matches engine block |
| Overall Dimensions (LxWxH) | Model‑specific | Engine dependent |
| Surface Finish (bore) | Ra ≤ 0.8 µm | Smooth for seal |
| Operating Temperature | -50°C to +150°C | Suitable for all climates |
| Weight (approx.) | 1.5‑3 kg | Robust construction |
| Compatible Engines | SINOTRUK HOWO diesel engines | Verify engine model |
Replacing the rear oil seal seat requires removal of the transmission, clutch, and flywheel. The old seat must be carefully removed, and the mounting surface on the block must be cleaned of all old gasket material. The new genuine 530-1002501 seat is installed with a new gasket or sealant. Bolts are torqued to the manufacturer’s specification in a criss‑cross pattern to ensure even clamping and prevent distortion. A new rear main seal must be installed in the seat, with the sealing lip lubricated. The crankshaft surface should be inspected for wear.
The 530-1002501 seat 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 seat ensures perfect alignment of the seal with the crankshaft, preventing premature seal wear and oil leaks. Always use a new gasket and seal during installation. After reassembly, refill oil, start the engine, and check for leaks. Genuine SINOTRUK HOWO parts guarantee a perfect fit and reliable performance.
Before installing the new seat, apply a thin film of high‑temperature silicone sealant to the gasket or mating surface to ensure a leak‑proof seal. Use a seal installation tool to press the new rear main seal evenly into the seat without damaging the lip.
The precision‑machined bore and flat mounting surface of the 530-1002501 seat ensure a perfect fit for the rear main seal, preventing oil leaks that can damage the clutch and lead to engine failure.
The robust cast iron construction resists cracking and distortion under high heat and vibration, ensuring the seal remains properly aligned for hundreds of thousands of kilometers.
A genuine seat is a one‑time investment that provides a reliable foundation for the rear main seal. It prevents costly repairs associated with oil leaks and clutch contamination, saving money in the long run.
A damaged seat may cause persistent oil leaks at the rear of the engine, even after replacing the rear main seal. Cracks, warpage, or corrosion of the seat can compromise the seal’s ability to contain oil. If the seal bore is scored or out of round, a new seat is required. During engine overhaul, always inspect the rear oil seal seat for damage.
Ignoring a damaged seat will result in repeated seal failure and oil leaks, potentially leading to clutch slippage and engine damage. Replacing it with a genuine 530-1002501 seat ensures a proper sealing surface and long‑term reliability.
The seat itself is a permanent component, but its life depends on proper engine maintenance. Ensure the engine oil is changed regularly to prevent sludge buildup that could corrode the seat. Maintain proper crankcase ventilation to avoid excessive pressure that could force oil past the seal. During any clutch or transmission service, inspect the seat for signs of damage or leakage.
If the engine is rebuilt, always have the seat inspected by a machinist. Use genuine SINOTRUK HOWO parts like the 530‑1002501 for replacement to ensure the highest quality and a perfect match to your engine’s specifications.
Generic aftermarket rear oil seal seats may have incorrect bore dimensions, poor surface finish, or inferior material, leading to premature seal failure and leaks. The genuine SINOTRUK HOWO 530-1002501 crankshaft rear oil seal seat is engineered to the exact specifications of your engine, ensuring correct fit, material properties, 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 engine rebuilders and owner‑operators who demand the best, the genuine 530‑1002501 is the only responsible choice.
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