21221878 Water Pump for Volvo FM Series

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, ensuring the continuous circulation of coolant between the engine block and the radiator. By maintaining consistent flow, it prevents engine overheating and ensures stable operating temperatures during heavy-duty tasks.

Vehicle and engine compatibility

This specific component is compatible with Volvo FM series trucks, including models such as the FM 480, FM 440, FM 380, FM 340, FM 300, FM 400, FM 360, FM 390, and FM 430. It is also specifically fitted to Volvo FM11 engines with D11B specifications.

Installation and maintenance

Technicians should inspect the pump during routine cooling system maintenance or when replacing belts. Monitoring for signs such as coolant leaks from the weep hole or unusual bearing noise can prevent more significant engine issues. Ensure all mounting surfaces are clean during installation.

Troubleshooting and selection

Maintaining a healthy cooling system is vital for fleet longevity and reducing downtime in heavy commercial vehicles. Consult your authorized distributor for further assistance.

OE cross-reference

525.03.0006 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21221878.