21960479 Volvo FMX Compatible Water Pump

What does a water pump do?

This water pump plays a critical role in the engine cooling system by circulating coolant between the engine and the radiator. It is manufactured using heavy-duty grade materials to withstand the rigorous thermal and mechanical stresses found in heavy commercial vehicle engines.

Compatible Volvo models and engines

This component is specifically engineered for Volvo FMX models including the 380, 420, 460, and 500 variants featuring D11K engines. It is also compatible with various Volvo FM series models such as the FM 380, FM 420, FM 460, and FM 500. Check the compatibility list.

Installation and maintenance

For optimal performance, technicians should inspect the pump housing and impeller during routine maintenance. If coolant leakage from the weep hole or unusual bearing noise is detected, immediate replacement is recommended to prevent engine overheating.

Troubleshooting and inspection

Regularly checking the drive belt tension and inspecting the mechanical seal ensures long-term reliability of the cooling assembly.

OE cross-reference

525.03.0005 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21960479.