0101 049 Mercedes-Benz Oil Cooler Cover

What does an oil cooler cover do?

This oil cooler cover serves as a critical component in the engine cooling system of heavy commercial vehicles. It encloses the oil cooler housing, ensuring that the cooling core bundle remains securely seated within its position on the engine block. By maintaining a precise seal, this part prevents the mixing of oil and coolant, which is essential for maintaining stable engine temperatures and overall system integrity during heavy-duty operation.

Vehicle and engine compatibility

This specific cover is engineered for a wide range of Mercedes-Benz applications. It is compatible with Mercedes-Benz NG, MK, OH, and SK series vehicles, as well as Neoplan Cityliner, Jetliner, and Transliner models. The part fits various engine configurations including the OM 401, OM 402, OM 421, OM 422, OM 403, and OM 441 A series engines.

Installation and maintenance

When performing engine maintenance or repairs, it is vital to ensure the cover's sealing surfaces are clean and free of debris. This part is designed to handle the thermal expansion and mechanical loads inherent in heavy commercial engines. Proper installation ensures that the oil transfer channels remain unobstructed and that all sensor connections remain secure.

Selection guidance

Consult your authorized distributor to check the compatibility list for your specific engine variant.

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 4031803938S.