403 180 39 38S Oil Cooler Cover for Mercedes-Benz O 303

What does an oil cooler cover do?

This oil cooler cover serves as a critical sealing component within the engine cooling system. It is designed to enclose the oil cooler housing, holding the cooling core bundle securely in its seat on the engine block. By providing precise sealing surfaces, it ensures that engine oil and coolant remain in separate, dedicated circuits to prevent cross-contamination.

Vehicle and engine compatibility

This specific part is engineered for Mercedes-Benz O 303 vehicles utilizing OM 421 engines. It is built to withstand the thermal stresses and vibration typical of heavy commercial vehicle operations, ensuring long-term reliability for fleet managers and workshop technicians.

Installation and maintenance guidance

When performing maintenance or engine overhauls, ensure the sealing surfaces are inspected for any debris or irregularities. This component includes a sensor connection to facilitate accurate engine monitoring. Proper installation is vital to maintaining correct oil pressure and temperature regulation within the cooling assembly.

Component reliability and selection

Selecting a high-strength component ensures that the oil transfer channels remain intact under high bolt loads. This ensures consistent performance for the engine's thermal management system throughout its service life.

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.