The oil cooler cap gasket is a small but critical component that ensures the integrity of your engine’s oil cooling system, preventing leaks that can lead to catastrophic engine failure. The 612600040566 Oil Cooler Cap Gasket from HOWO is engineered to deliver an exceptional, leak‑proof seal between the oil cooler cap and the housing, maintaining optimal oil pressure and temperature control. As a vital Howo/Sitrak truck parts component, this gasket is manufactured from high‑quality, oil‑resistant rubber compound with a precision‑molded design, offering outstanding resistance to extreme temperatures, pressure, and chemical attack. Whether you are performing routine maintenance or overhauling your oil cooling system, the 612600040566 guarantees a perfect factory fit, reliable sealing, and extended engine life – making it the trusted choice for professional workshops and fleet operators worldwide.
The oil cooler cap gasket seals the interface between the oil cooler cap and the cooler housing, preventing engine oil from leaking out and contaminants from entering the lubrication system. The 612600040566 is specifically designed to withstand the harsh conditions inside the engine – constant exposure to hot engine oil, pressure fluctuations, and temperature cycling – while providing a reliable, leak‑free seal. A worn or damaged gasket can result in oil seepage, leading to reduced oil pressure, increased friction, and potential engine failure. HOWO has engineered this gasket with a precision‑molded rubber compound that offers excellent oil resistance and compression set resistance, ensuring it maintains its sealing force over time. Its robust design provides a uniform clamping load across the entire sealing surface. With the 612600040566, you can be confident that your engine’s oil stays contained, protecting your investment and keeping your truck on the road.
Leak‑Proof
Zero Seepage
Heat Resistant
Up to 150°C
OEM Fit
Exact Match
Durable
Premium Compound
The 612600040566 oil cooler cap gasket is manufactured to the highest OEM standards, incorporating advanced materials and precision engineering. Below are the complete technical specifications for this essential sealing component.
| Parameter | Specification | Detail |
|---|---|---|
| OEM Number | 612600040566 | Exact Match |
| Part Name | Oil Cooler Cap Gasket | HOWO Genuine |
| Brand | HOWO | Original Equipment |
| Application | HOWO T7H / A7 / MC11/MC13 | Oil cooler cap sealing |
| Material | High‑grade NBR rubber compound | Oil & heat resistant |
| Thickness | 3.0 mm (compressed) | Optimal sealing |
| Temperature Range | -40°C to +150°C | Extreme duty |
| Oil Resistance | Excellent (NBR) | Prevents swelling |
| Weight | 0.02 kg | Lightweight |
| Warranty | 12 Months | Manufacturer Guarantee |
The 612600040566 oil cooler cap gasket is produced using advanced compression molding and precision finishing techniques to ensure exceptional dimensional accuracy and sealing performance. The nitrile rubber (NBR) compound is formulated to provide outstanding resistance to high temperatures and the chemical attack of engine oil additives, maintaining its elasticity and sealing ability over extended service intervals. The gasket’s cross‑sectional geometry is optimized to provide a positive seal against both the oil cooler cap and the housing, creating an oil‑tight barrier that prevents leaks. The precision‑molded sealing beads concentrate the clamping force exactly where it is needed, ensuring a consistent seal even on slightly warped surfaces. Each gasket is inspected for dimensional accuracy, hardness, and surface integrity, guaranteeing that the 612600040566 meets HOWO’s stringent quality standards. This meticulous engineering ensures that your oil cooler remains sealed, your oil stays clean, and your engine operates reliably, mile after mile.
The 612600040566 oil cooler cap gasket is specifically designed for HOWO heavy‑duty trucks equipped with MC11 and MC13 engine families, including T7H, A7, and derivative models. It directly replaces the original gasket with identical shape, sealing profile, and thickness, ensuring a straightforward installation without modifications. The gasket is compatible with both cast iron and aluminium oil cooler caps and works seamlessly with the factory fasteners and sealing system. This gasket is also compatible with many Sinotruk and other commercial vehicles that share the same engine architecture. To confirm fitment, always cross‑reference the OEM number on your existing gasket with 612600040566. If they match, this component will integrate seamlessly. Keeping this gasket in your spare parts inventory ensures that you can quickly address oil cooler cap leaks, minimising downtime and maintaining the cleanliness and reliability of your engine.
HOWO T7H
Primary Fitment
HOWO A7
Also Compatible
MC11/MC13
Engine Series
Direct Replacement
No Modifications
Replacing a hardened, cracked, or leaking oil cooler cap gasket with the 612600040566 immediately eliminates oil leaks, preventing oil from dripping onto hot engine components and reducing the risk of fire. The new seal maintains proper oil pressure and ensures that the oil cooler operates efficiently, reducing oil temperatures and extending the life of your lubricant. The clean, leak‑free engine bay also makes it easier to spot other potential issues during routine inspections. The superior sealing performance also prevents dirt and debris from entering the oil system, protecting sensitive components from contamination. The durable NBR material ensures that the gasket maintains its sealing properties over time, reducing the need for frequent replacements. For fleet operators, a reliable oil cooler cap gasket reduces oil consumption, lowers maintenance costs, and helps maintain the cleanliness and reliability of your vehicles. By investing in the 612600040566, you ensure that your HOWO engine remains clean, well‑lubricated, and protected, mile after mile.
Installing the 612600040566 oil cooler cap gasket is a straightforward procedure. Begin by allowing the engine to cool completely. Remove the oil cooler cap bolts and carefully lift the cap, taking care not to damage the gasket sealing surfaces. Clean both the cap and the cooler housing mating surfaces thoroughly, removing all old gasket material, oil, and debris. Ensure the surfaces are dry and free from any contaminants. Position the new gasket onto the cap or the housing, ensuring it is correctly seated in the groove. Some gaskets feature locating tabs to hold them in place during installation. Carefully lower the cap onto the housing, ensuring the gasket remains in position. Install the cap bolts and tighten them in a cross‑pattern to the manufacturer’s specified torque (typically 8‑12 Nm). Start the engine and check for any leaks. Periodically inspect the gasket for signs of leakage or damage during routine maintenance. With proper installation, the 612600040566 will provide years of reliable sealing.
Pro Tip: When installing the new gasket, always use a torque wrench and follow the specified tightening sequence to ensure even compression. Over‑tightening can deform the gasket, while under‑tightening can cause leaks. The 612600040566 is designed to achieve an optimal seal with the correct clamping force.
Genuine HOWO components are engineered to the highest standards, and the 612600040566 oil cooler cap gasket is no exception. Aftermarket gaskets often use inferior rubber compounds that harden, crack, or lose their sealing ability over time, leading to leaks and potential engine damage. HOWO’s gasket is manufactured using the same materials and processes as the original equipment, guaranteeing a perfect fit and reliable performance. By choosing the 612600040566, you benefit from HOWO’s rigorous testing, including compression set, oil resistance, and temperature cycling tests. This ensures that the gasket meets the demanding requirements of heavy‑duty trucking. Moreover, genuine parts are backed by a comprehensive warranty and supported by HOWO’s global network, giving you confidence in your purchase.
OEM Authentic
Factory Quality
Long Service
Extended Life
Global Standard
Trusted Worldwide
Q: Which vehicles use the 612600040566 oil cooler cap gasket?
A: The 612600040566 is designed for HOWO T7H, A7, and other models with MC11/MC13 engines, as well as many Sinotruk trucks with the same oil cooler configuration.
Q: What are the symptoms of a failing oil cooler cap gasket?
A: Oil leaks from the oil cooler cap area, oil spots on the ground, low oil pressure warnings, and a burning oil smell are common indicators.
Q: Can I reuse the old gasket?
A: No, the 612600040566 is a single‑use gasket. Once removed, it may not provide a reliable seal if reused. Always install a new gasket when servicing the oil cooler cap.
Q: How do I verify the correct part?
A: Check the OEM number on your existing gasket. If it matches 612600040566, this is the exact replacement. Consult your vehicle’s parts manual for additional confirmation.
Order your 612600040566 Oil Cooler Cap Gasket today! Explore our complete selection of genuine HOWO and Sinotruk engine sealing components at Howo/Sitrak truck parts and keep your engine oil secure and leak‑free.
The 612600040566 Oil Cooler Cap Gasket from HOWO is a testament to precision engineering and uncompromising quality. By choosing this genuine component, you ensure that your engine’s oil cooling system remains sealed and protected, preventing costly oil leaks and maintaining optimal lubrication. Whether you are a professional mechanic or a fleet manager, this gasket offers the performance, durability, and exact fit that you can rely on. Trust HOWO – the benchmark for excellence in heavy‑duty truck components – and experience the difference that genuine quality makes.
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