20451516 Volvo FH Water Pump

What does a water pump do?

This water pump plays a vital role in the engine cooling system by circulating coolant between the engine block and the radiator. By maintaining steady flow, it ensures the engine operates within its ideal temperature range, which is essential for preventing thermal stress and long-term engine damage during heavy-duty operation.

Vehicle and engine compatibility

This component is specifically designed to fit Volvo FH models including the 400, 440, 480, 500, and 520 variants, as well as FH16 units equipped with D16G engines. It serves as a robust replacement to maintain optimal thermal management in these heavy commercial vehicle applications.

Installation and maintenance guidance

During installation, workshop technicians should inspect the drive belt and housing seals to ensure a perfect fit. It is recommended to check for signs of leakage from the weep hole or bearing play during routine maintenance intervals to avoid sudden overheating.

Troubleshooting and selection

Selecting a high-strength component helps maintain system pressure and prevents impeller wear. Consult your authorized distributor to ensure this part matches your specific engine requirements.

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 20451516.