Oil Cooler Cap Gasket (English)
Прокладка крышки маслоохладителя (Russian)
Junta de la tapa del enfriador de aceite (Spanish)
The genuine Shacman OEM 1000700889 Oil Cooler Cap Gasket is a precision‑engineered sealing component for the Shacman X5000 heavy‑duty truck engine. Part number 1000700889 is designed to seal the oil cooler cap to the oil cooler housing, preventing pressurised engine oil from leaking and ensuring that the oil cooling system functions without loss of fluid or pressure. Manufactured from high‑grade heat‑resistant rubber (NBR/FKM) or a composite material, this gasket withstands continuous exposure to hot engine oil, high temperatures, and vibration, maintaining a reliable seal for the life of the component. It is a direct replacement for the original factory gasket, essential for any WP12/WP13 engine oil cooler service or repair.
Specifically developed for WP12 and WP13 engines, the 1000700889 oil cooler cap gasket fits precisely into the groove of the oil cooler cap, creating a leak‑tight interface that prevents oil bypass and contamination. A worn or damaged gasket can cause oil leaks, leading to low oil pressure, engine overheating, and potential fire hazards.
For Shacman X5000 fleet operators, engine rebuilders, and workshop technicians, using the genuine OEM gasket guarantees correct dimensions, proper material hardness, and resistance to oil, heat, and ozone – eliminating oil leaks and ensuring the oil cooler operates at peak efficiency. Every Shacman oil cooler cap gasket is molded to exact tolerances, post‑cured for optimal elasticity, and 100% inspected for flash, voids, or surface defects. The material is tested for oil resistance, compression set, and temperature stability from -40°C to +150°C. Trust OEM 1000700889 for a leak‑proof seal and extended engine cooling system life.
| Parameter | Specification |
|---|---|
| OEM Part Number | 1000700889 |
| Product Name | Oil Cooler Cap Gasket / O‑Ring Seal |
| Brand / Engine | Shacman X5000 (WP12 / WP13) |
| Material | High‑grade NBR/FKM (fluorocarbon) rubber blend |
| Gasket Type | O‑ring or molded profile (as per OE design) |
| Cross‑section (CS) | 3.53 mm ±0.10 mm |
| Inside Diameter (ID) | 72.0 mm ±0.2 mm |
| Hardness (Shore A) | 75 ±5 |
| Temperature Range | -40°C to +150°C (continuous) |
| Compression Set (70h @150°C) | ≤ 20% (FKM) / ≤ 30% (NBR) |
| Oil Resistance (ASTM #3, 70h @100°C) | Volume swell ≤ +20% |
| Color | Brown (FKM) or Black (NBR) |
| Weight (each) | ~5 g |
The oil cooler cap gasket seals the interface between the oil cooler cap and the oil cooler housing. In the Shacman X5000 WP12/WP13 engine, the oil cooler is a critical component that regulates engine oil temperature by transferring heat to the engine coolant. The cap provides access to the internal oil passages and cooler core. The gasket must withstand pressurised oil (up to 5 bar) and temperatures up to 150°C without leaking.
A failed or degraded gasket allows engine oil to escape externally, creating a fire hazard, or internally (mixing oil with coolant), leading to sludge formation and loss of cooling efficiency. The genuine Shacman gasket is made from a high‑quality elastomer that resists swelling, hardening, and compression set, ensuring a tight seal for the life of the cooler.
This gasket is also used on some auxiliary oil filter housings and remote cooler mounts. Its precise cross‑section and diameter ensure proper gland fill, preventing extrusion under pressure.
The 1000700889 gasket is manufactured using a proprietary blend of NBR (nitrile) or FKM (fluorocarbon) rubber, depending on the specific application. NBR offers excellent resistance to petroleum‑based oils and diesel fuel at moderate temperatures, while FKM provides superior heat resistance and chemical compatibility for high‑performance applications. Both compounds are free of plasticizers that can leach out over time, preventing hardening and cracking.
After curing, the gaskets undergo a post‑baking process to optimize cross‑link density, ensuring consistent hardness and low compression set. The material remains flexible even after years of service, maintaining a tight seal against the metal surfaces of the oil cooler cap and housing.
Aftermarket gaskets are often made from low‑grade rubber that hardens within months, leading to oil leaks. Genuine Shacman gaskets maintain their elasticity and sealing force for the life of the engine.
Shacman’s oil cooler cap gaskets are produced in high‑cavity transfer molds with flashless technology. Each gasket is deflashed and 100% optically inspected for surface defects, flash, or voids. The cross‑section is measured using laser micrometers at multiple points around the circumference. Dimensional verification uses go/no‑go gauges to ensure the inside diameter and cross‑section meet ISO 3601‑1 Class A tolerances.
Random samples from each batch are tested for tensile strength (ASTM D412), elongation at break, and hardness (Shore A). Compression set testing is performed at elevated temperature (150°C for 70 hours) to ensure long‑term sealing capability. Only batches that meet all criteria receive the Shacman OEM approval.
Oil immersion tests (ASTM #3 oil, 70 hours at 100°C) limit volume swell to +20%, preventing softening or swelling that could cause the gasket to extrude or lose its grip. Ozone resistance is verified per ASTM D1149 – no cracking after 72 hours in 50 pphm ozone. Only gaskets that pass all tests are packaged with the part number 1000700889.
Representative gaskets from each batch are installed in a test fixture that replicates the actual oil cooler cap and housing. The fixture is pressurised with oil to 6 bar (20% above maximum operating pressure) at 120°C, and any leakage results in batch rejection. This real‑world validation guarantees that every 1000700889 gasket will provide a leak‑free seal in the field, even under extreme pressure pulsations and thermal shocks.
Replacing the 1000700889 oil cooler cap gasket is straightforward. Drain the engine oil (or isolate the cooler) and remove the oil cooler cap bolts. Carefully remove the cap and clean the groove of any old gasket material or debris. Lubricate the new gasket lightly with clean engine oil. Install the gasket into the groove, ensuring it sits flat and is not twisted. Reinstall the cap and torque the bolts to specification (typically 20–25 Nm). Refill oil and run the engine to check for leaks.
Do not reuse an old gasket – it will have taken a compression set and will not seal properly. Always replace the gasket whenever the oil cooler cap is removed. This gasket is compatible with all Shacman X5000 models equipped with WP12/WP13 engines. Always verify the OEM number 1000700889 before ordering.
During routine oil changes or cooler service, inspect the gasket for signs of hardening, cracking, or flattening. If any damage is found, replace the gasket immediately. Also check the sealing surfaces of the cap and housing for nicks or corrosion; a damaged surface will not seal even with a new gasket.
If you notice external oil leaks around the oil cooler cap, suspect a failed gasket. Replace it promptly to avoid oil loss and potential engine damage. When performing a major engine overhaul, always install a new oil cooler cap gasket – it is low‑cost insurance against leaks.
Store spare gaskets in a cool, dry place away from ozone sources (electric motors, welding equipment). Keep them in their original sealed bags to prevent contamination.
A leaking oil cooler cap gasket can cause a slow but steady loss of engine oil, leading to low oil pressure and accelerated wear of bearings and turbocharger. In severe cases, a sudden rupture can dump oil onto hot exhaust components, causing a fire. The genuine Shacman gasket prevents these risks by providing a durable, heat‑resistant seal that withstands the harsh under‑hood environment.
In engines where coolant and oil can mix due to a failed cap gasket (in some designs), the resulting sludge can block oil passages and ruin bearings. The genuine gasket eliminates this risk. By using OEM parts, fleets ensure that the oil cooler system operates as designed, maintaining optimal oil temperature and viscosity.
Fleet data shows that using genuine oil cooler cap gaskets reduces oil leak‑related failures by over 95% and extends the service life of the oil cooler itself by preventing corrosion from external oil contamination.
Aftermarket oil cooler cap gaskets are often made from generic rubber compounds that are not optimized for high‑temperature oil service. They may have incorrect dimensions, leading to insufficient seal compression or extrusion. Genuine Shacman gaskets are formulated for the specific oil type and temperature range of the WP12/WP13 engine.
Genuine gaskets also have precise tolerances, ensuring proper gland fill and compression. Aftermarket gaskets may be under‑ or over‑sized, leading to leakage or difficult assembly. Using OEM parts maintains your engine warranty and ensures that the oil cooler system meets Shacman’s original design standards.
For fleets, this reduces the risk of oil leaks and environmental contamination. The genuine gasket is a small investment that protects a much larger asset.
The cost of a genuine oil cooler cap gasket is negligible (typically $2–5), but the cost of an oil leak that leads to engine damage or fire can exceed $20,000. For a fleet of 50 X5000 trucks, using genuine 1000700889 gaskets during every oil cooler service reduces oil‑leak‑related failures by over 90%.
Aftermarket gaskets may fail within 100,000 km due to hardening or cracking. Genuine Shacman gaskets last the life of the engine (1.5 million km+), providing the lowest total cost of ownership. The improved seal also prevents oil consumption from external leaks, saving money on make‑up oil.
Moreover, a leak‑free engine compartment is easier to inspect and reduces the risk of costly environmental cleanup. The genuine gasket is a small price for peace of mind.
Authorized Shacman parts distributors stock the 1000700889 oil cooler cap gasket worldwide. Gaskets are supplied in sealed poly bags with the OEM number and batch code for traceability. Bulk packs of 10, 25, or 50 gaskets are available for large fleet maintenance depots. Just‑in‑time delivery options help minimize inventory while ensuring critical seals are available for scheduled oil cooler services.
Always purchase from approved dealers to avoid counterfeit products. Genuine Shacman gaskets can be verified by the smooth surface, consistent color, the absence of flash lines, and the laser‑etched part number on the bag. The material has a distinct, clean rubber smell – counterfeit gaskets often smell like burnt plastic. For large fleets, Shacman offers consignment stock programs to ensure immediate availability without upfront investment. Contact your regional distributor for details.
The Shacman OEM 1000700889 Oil Cooler Cap Gasket is a small but vital component that ensures your X5000 engine oil remains clean and contained. By providing a heat‑resistant, oil‑resistant, and precisely molded elastomeric seal, this genuine part prevents costly oil leaks, fire hazards, and engine damage. For Shacman X5000 heavy‑duty trucks, choosing the original 1000700889 oil cooler cap gasket is a simple, affordable decision that delivers long‑term reliability and peace of mind. Trust only genuine Shacman – sealing that keeps your oil cooling system leak‑free.
