A4031803938 Mercedes-Benz O 303 Oil Cooler Cover

What does an oil cooler cover do?

This oil cooler cover serves as a critical component within the engine cooling system, specifically designed to enclose the oil cooler housing and secure the cooling core bundle. By maintaining a precise seal against the engine block, it ensures that engine oil and coolant remain in separate, dedicated circuits, preventing dangerous cross-contamination and managing thermal loads effectively.

Vehicle and engine compatibility

This part is specifically engineered for use in Mercedes-Benz O 303 heavy commercial vehicles equipped with OM 441 A engines. It provides a reliable seal for the oil radiator assembly, ensuring consistent pressure and flow throughout the lubrication system during intensive operation.

Installation and maintenance

Installation of this cover requires careful attention to the sealing surfaces to prevent leaks between the oil and coolant channels. Technicians should inspect the mounting points and ensure the sensor connection is properly seated to maintain system integrity. Using high-strength components ensures long-term durability under heavy-duty thermal cycling.

Selection guidance

Consult your authorized distributor to ensure 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 A4031803938.