A4412000301 Mercedes-Benz O 404 Engine Water Pump

What does a water pump do?

The water pump is a critical component within the engine cooling system that maintains thermal stability by circulating coolant between the engine block and the radiator.

Compatibility and engine fitment

This specific model is designed for Mercedes-Benz O 404 vehicles equipped with OM 441 engines. It provides reliable service under the high-load operating conditions typical of heavy commercial vehicle engines, ensuring efficient heat dissipation through the cooling circuit.

Installation and maintenance guidance

For proper installation, technicians should inspect the timing belt or alternator belt during replacement to ensure overall system integrity. When replacing this component, it is recommended to check the condition of all gaskets and seals to prevent future leaks.

Troubleshooting symptoms

If you observe coolant leaking from the weep hole or hear unusual bearing noise, it may indicate a need for replacement. Consult your authorized distributor for exact fitment verification.

OE cross-reference

525.01.0031 (Water Pump Water Pumps) is the equivalent of the Mercedes-Benz OE number. This part directly replaces Mercedes-Benz OE number A4412000301.