21280077 Volvo FM Compatible 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. Engineered with high-strength components, it is designed to withstand the rigorous thermal and mechanical stresses typical of heavy commercial vehicle operations.

Compatible Volvo FM vehicles

This component is specifically compatible with Volvo FM models, including the FM 400, FM 360, FM 340, FM 380, FM 440, FM 480, FM 300, FM 390, and FM 430. It also fits various Volvo FM9 variants such as the FM 9/300 and FM 9/380 models.

Maintenance and inspection guidance

For optimal performance and to prevent overheating, technicians should inspect the pump during routine cooling system maintenance. Checking for signs of coolant leakage or bearing noise during belt service can prevent unexpected downtime. Consult your authorized distributor for fitment verification.

Operational importance

Proper installation ensures the impeller maintains precise flow rates throughout the cooling circuit, supporting engine longevity in demanding duty cycles.

OE cross-reference

525.03.0020 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21280077.