21969188 Volvo FM 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 and the radiator. Maintaining a consistent flow is essential to prevent overheating and ensure the longevity of heavy-duty commercial vehicle engines.

Vehicle and engine compatibility

This specific component is designed for use in Volvo FM trucks, including the FM 330, FM 450, FM 410, and FM 370 models. It serves as a reliable replacement for OE-standard units in these heavy commercial vehicle applications.

Installation and maintenance

To ensure proper operation, technicians should inspect the pump during belt service intervals. Common failure indicators include coolant leaks from the weep hole or unusual bearing noise. It is recommended to check the pump alongside the timing belt or alternator belt during routine maintenance.

Troubleshooting guidance

Selecting high-strength components ensures reliable thermal regulation under heavy-duty operating conditions. Consult your authorized distributor for fitment verification.

OE cross-reference

525.03.0009 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21969188.