20538845 Volvo FH Compatible Water Pump

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, facilitating the continuous circulation of coolant between the engine block and the radiator. By maintaining consistent fluid flow, it prevents overheating and ensures the engine operates within safe thermal limits during heavy-duty service.

Vehicle and engine compatibility

This component is specifically fitted to Volvo FH models, including the 400, 440, 480, 500, and 520 variants. It is engineered to meet the rigorous demands of heavy commercial vehicle engines used in long-haul trucking and transport operations.

Installation and maintenance

Maintenance professionals should inspect the pump during routine cooling system service or when replacing belts. Signs of wear include coolant leakage from the weep hole or unusual bearing noise. It is recommended to check the integrity of the pump alongside the timing or alternator belt service to ensure system reliability.

Troubleshooting and inspection

Consult your authorized distributor to check the compatibility list.

OE cross-reference

525.03.0006 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20538845.