21974078 Water Pump for Volvo FM

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. Built with high-strength components, it ensures consistent thermal management to prevent overheating during intensive heavy-duty operations.

Compatible Volvo FM models

This specific unit is designed for Volvo FM models, including the FM 330, FM 450, FM 410, and FM 370. It is engineered to meet the rigorous demands of these heavy commercial vehicles, providing reliable performance across various duty cycles.

Installation and maintenance

When performing cooling system maintenance, technicians should inspect the pump for signs of leakage from the weep hole or unusual bearing noise. It is recommended to inspect or renew the pump together with the timing belt or alternator belt service to ensure system integrity.

Troubleshooting and selection

Maintaining proper coolant flow is essential for engine longevity. Selecting a high-quality replacement helps prevent overheating and protects other critical engine components from thermal stress.

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 21974078.