20744939 Compatible Volvo FH Water Pump

What does a water pump do?

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

Compatible Volvo FH engines

This component is specifically compatible with Volvo FH vehicles, including models such as the 400, 440, 480, 500, and 520. It is designed to function with the D11K engine series found in various FH (FH4/FH5) configurations. For exact fitment, verifying the engine code and OEM reference is recommended.

Maintenance and replacement

Maintenance professionals should inspect the pump during routine cooling system servicing. Common indicators for replacement include coolant leaks from the weep hole or unusual mechanical noise during operation. It is often recommended to replace the pump in conjunction with belt service to ensure system integrity.

Troubleshooting guidance

Selecting a high-quality replacement ensures long-term durability in demanding environments. Consult your authorized distributor for further information.

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 20744939.