21960479 Water Pump for Volvo FM

What does a water pump do?

This water pump functions as a vital 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 even under heavy-duty loads.

Vehicle and engine compatibility

This specific unit is designed to fit Volvo FM series trucks, including the FM 380, FM 420, FM 460, and FM 500 models. It is engineered to meet the rigorous demands of heavy commercial vehicle engines, providing reliable service in demanding environments.

Maintenance and installation

For optimal performance, 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 help prevent unexpected downtime. Check the compatibility list.

Troubleshooting guidance

Proper installation ensures that the impeller and mechanical seal function correctly to prevent pressure loss within the cooling circuit.

OE cross-reference

525.03.0005 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21960479.