A4412000301 Water Pump compatible with Mercedes-Benz

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, ensuring the continuous circulation of coolant between the engine block and the radiator. Designed to withstand high-temperature and high-vibration environments, it maintains stable thermal management for heavy commercial vehicle engines.

Compatible vehicles and engines

This specific unit is designed to fit Mercedes-Benz O 404 models equipped with the OM 442 engine. It provides a precise fitment to maintain optimal pressure and flow rates required by the engine's cooling circuit.

Installation and maintenance

When performing maintenance, technicians should inspect the pump housing and mechanical seals for any signs of leakage or bearing play. It is recommended to check the drive belt condition during replacement to ensure long-term system reliability. Consult your authorized distributor.

Troubleshooting and inspection

Proper installation requires verifying that all mounting surfaces are clean and that the seal is correctly seated to prevent pressure loss within the cooling loop.

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.