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For any FOTON truck owner or technician, maintaining a clean and well-lubricated valve train is critical for engine longevity and performance. The rocker arm cover gasket, with the specific OEM number 61560040039, is a vital sealing component that prevents oil leaks from the top of your engine. This precision-engineered gasket creates a reliable barrier between the rocker arm cover (valve cover) and the cylinder head, ensuring that engine oil stays inside the valvetrain compartment while keeping dirt, debris, and moisture out.
The FOTON Rocker Arm Cover Gasket, OEM number 61560040039, is a precisely molded seal designed for the interface between the engine’s cylinder head and the rocker arm cover. This component, part number 61560040039, is fundamental in a sealed combustion engine system. Its primary function is twofold: to retain the engine oil that lubricates the rocker arms, valve springs, and camshaft (if overhead cam), and to prevent external contaminants from entering this critical area.
Manufactured from advanced elastomeric compounds, the genuine 61560040039 gasket is engineered to withstand the unique environment of the engine top end. It resists degradation from constant exposure to hot engine oil, temperature cycling from ambient to over 150°C, and the vibration inherent in diesel operation. Choosing the correct OEM part, like 61560040039, ensures the seal conforms perfectly to any slight imperfections in the mating surfaces, providing a leak-free barrier for thousands of operating hours.
The material formula for gasket 61560040039 is specifically designed not to swell, shrink, or become brittle when exposed to hot synthetic or mineral engine oils and the high temperatures of the cylinder head.
This gasket maintains a consistent sealing force even after prolonged compression under the valve cover bolts. It resists taking a “set,” ensuring the seal remains tight as the engine expands and contracts with heat cycles.
Every curve, bolt hole, and protrusion on the OEM 61560040039 gasket is molded to match the exact contours of FOTON cylinder heads and valve covers, eliminating guesswork and ensuring correct placement every time.
By creating a secure seal, the 61560040039 prevents dust, water, and road grime from entering the valve train. This is crucial for preventing abrasive wear on camshaft lobes and rocker arm pivots.
The following table details the complete technical specifications for the FOTON Rocker Arm Cover Gasket. These parameters confirm the part’s compatibility and performance characteristics.
| Parameter | Specification |
|---|---|
| OEM Part Number | 61560040039 |
| Product Name | Rocker Arm Cover Gasket |
| Brand | FOTON |
| Primary Material | Reinforced Rubber/Synthetic Compound |
| Thickness | 3.5 mm ± 0.3 mm |
| Temperature Range (Continuous) | -30°C to 200°C |
| Compatible Fluids | Engine Oil (All grades), Diesel |
| Compatible Engine Models | FOTON 4J28TC, 4J28T, ISF 2.8L & 3.8L Series |
| Application | Between Cylinder Head & Rocker Arm (Valve) Cover |
| Standards | ISO 9001, OEM Engineering Specifications |
Proper installation of the Rocker Arm Cover Gasket 61560040039 Rocker Arm Cover Gasket is straightforward but requires attention to detail to ensure a lasting seal. First, ensure the engine is cool. Remove the valve cover by carefully unscrewing the perimeter bolts in a crisscross pattern to avoid warping. Clean both mating surfaces—the top of the cylinder head and the underside of the valve cover—meticulously.
Inspect the valve cover for flatness. Place the new OEM gasket 61560040039 Rocker Arm Cover Gasket into the channel on the valve cover or onto the cylinder head, depending on the design. Ensure it seats fully in all corners and around bolt holes. Many technicians apply a tiny dab of sealant at the sharp corners where the camshaft end caps meet the head (if specified in the service manual). Reinstall the valve cover, hand-tightening bolts before following the manufacturer’s specified torque sequence and value precisely. Overtightening can cut or crush the gasket, while under-tightening will cause leaks. A correctly installed 61560040039 Rocker Arm Cover Gasket gasket will provide a clean, reliable seal.
A failing rocker arm cover gasket presents clear symptoms. The most common is visible oil leaks along the seam where the valve cover meets the cylinder head. You may see oil accumulating on the top of the engine, running down the sides, or even dripping onto the ground. The smell of burning oil from oil dripping onto the hot exhaust manifold is another telltale sign. In severe cases, oil loss can lead to low oil level warnings.
Preventive maintenance involves a visual inspection during every oil change for any signs of weeping or seepage. The gasket 61560040039 Rocker Arm Cover Gasket is considered a wear item and should be replaced proactively during major service intervals or whenever the valve cover is removed for other work (like valve adjustment). Using a high-quality gasket like the OEM 61560040039 during replacement is the best practice. Avoid cheap alternatives that may harden and fail prematurely.
The gasket with part number 61560040039 is designed for FOTON’s range of four-cylinder diesel engines, which power a significant portion of their light and medium-duty trucks, such as the Aumark and Forland series. In these engines, the rocker arm cover provides crucial protection for the valve train components. The reliable seal provided by the 61560040039 gasket ensures that the oil spray or mist lubricating the rocker arms, valves, and springs is contained, while also maintaining engine bay cleanliness.
This component is essential for both performance and environmental reasons. A leak from this area can lead to oil consumption, increased emissions, and potential environmental contamination. For fleet managers, ensuring every truck has a sound valve cover seal using part 61560040039 is part of a responsible maintenance program that reduces fluid waste, keeps maintenance costs predictable, and ensures each vehicle presents a professional, well-maintained appearance without unsightly oil stains.
Choosing the genuine OEM 61560040039 gasket offers distinct, tangible benefits over universal or aftermarket options. The foremost difference is material quality and formulation. The OEM gasket is made from a compound specifically tested and validated by FOTON to withstand the thermal and chemical environment of their engines for the designed service life. Generic gaskets often use cheaper materials that may harden, crack, or lose elasticity much sooner, leading to repeat repairs.
Secondly, the fit is guaranteed. The molding process for the 61560040039 replicates the exact sealing channel of the FOTON valve cover. Aftermarket gaskets may be “close enough,” but slight variances can lead to leaks at complex corners or misalignment with bolt holes, causing pinching. The cost of cleaning up an oil leak and replacing a failed generic gasket often far exceeds the modest initial savings. For reliability, warranty compliance, and long-term cost-effectiveness, the genuine part number 61560040039 is the unequivocal choice for a professional repair.
Every Rocker Arm Cover Gasket bearing the OEM number 61560040039 is produced under a certified quality management system. The manufacturing process includes rigorous checks for dimensional accuracy, material consistency, and freedom from defects like voids or tears. The gasket is then packaged in a way that protects it from deformation, usually in a flat, labeled bag or box that clearly identifies part number 61560040039.
This genuine FOTON component is covered by the manufacturer’s standard warranty, which guarantees it to be free from defects in materials and workmanship. This warranty provides peace of mind that the 61560040039 gasket will perform as intended when installed correctly.
In summary, the FOTON Rocker Arm Cover Gasket with OEM number 61560040039 is a critical sealing component that safeguards your engine’s valve train and prevents costly, messy oil leaks. Its superior material composition, precise fit, and proven durability make it an essential part of any top-end engine service. Opting for this genuine component ensures a reliable seal, maintains engine performance, and contributes to a cleaner, more efficient vehicle.
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