A4031803938S Compatible Oil Cooler Cover — Mercedes-Benz

What does an oil cooler cover do?

This oil cooler cover plays a critical role in the engine cooling system by enclosing the oil cooler housing and securing the cooling core bundle in its seat on the block. By maintaining a tight seal, it prevents cross-contamination between oil and coolant circuits, which is essential for maintaining engine temperature and lubrication integrity in heavy commercial vehicles.

Compatibility and engine fitment

This specific part is engineered for use in Mercedes-Benz O 303 trucks featuring the OM 401 engine. It is designed to withstand the high thermal and pressure fluctuations typical of heavy-duty engine operation, ensuring that the oil transfer channels remain unobstructed and leak-free.

Installation and maintenance

When performing maintenance or repairs, technicians should inspect the sealing surfaces of the cover to prevent fluid leaks. Proper torque application during installation is vital to ensure the cover maintains its seal against the block under high operating pressures. This part includes a sensor connection point to support system monitoring.

System protection

Selecting an appropriate cover ensures that the oil radiator assembly functions correctly, protecting critical engine components like bearings and the crankshaft from overheating.

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 A4031803938S.