403 180 3938 Compatible Oil Cooler Cover — Mercedes-Benz

What does an oil cooler cover do?

This oil cooler cover is a vital engine component designed to enclose the oil cooler housing and hold the cooling core bundle securely in its seat on the engine block. It performs the critical function of maintaining separate circuits for engine oil and coolant, preventing mixing that could lead to catastrophic engine failure. Constructed from heavy-duty grade materials, it provides the necessary structural integrity to handle thermal cycles and pressure within the cooling system.

Vehicle and engine compatibility

Specifically designed for Mercedes-Benz O 303 models, this part is compatible with OM 403 engines. It serves as a reliable replacement for original components, ensuring that the oil transfer channels and sealing surfaces remain intact under heavy-duty operating conditions. This part is essential for maintaining proper thermal management within the engine's lubrication system.

Installation and maintenance

During installation, technicians should ensure that all sealing surfaces are clean and free of debris to prevent leaks. Proper torque application on the mounting bolts is essential to maintain the seal between the cover and the engine block. Regular inspection of the cover and its connection points can help prevent oil or coolant contamination within the respective circuits.

Troubleshooting guidance

Consult your authorized distributor to verify exact fitment for your specific engine configuration.

OE cross-reference

0101 049 (Oil Cooler Cover) is the equivalent of the Mercedes-Benz OE number. This part directly replaces Mercedes-Benz OE number 4031803938.