20464403 Volvo FM 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. Designed for heavy-duty operation, it features a robust housing and precision-engineered internal components to maintain stable engine temperatures under demanding conditions.

Compatible Volvo FM models

This component is compatible with Volvo FM trucks, specifically fitting models such as the FM 430, FM 380, FM 390, FM 340, FM 300, FM 480, FM 440, FM 400, and FM 360. It serves as a reliable replacement for OE-standard units in these heavy commercial vehicle applications.

Maintenance and installation guidance

For optimal performance, technicians should inspect the pump during routine belt service. Common signs of wear include coolant leaks from the weep hole or unusual bearing noise. When replacing the unit, ensure all mounting surfaces are clean to maintain a proper seal.

Troubleshooting and replacement

Consult your authorized distributor to verify exact fitment for your specific engine configuration.

OE cross-reference

525.03.0021 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20464403.