21221878 Volvo FM Water Pump

This water pump serves as a critical component within the engine cooling system, responsible for circulating coolant between the engine and the radiator. By maintaining steady flow, it prevents engine overheating and ensures stable thermal management during heavy-duty operation.

This component is specifically designed for 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 compatible with various Volvo FM9 variants such as the FM 9/340, FM 9/300, FM 9/260, and FM 9/380.

For professional workshop technicians and fleet managers, it is recommended to inspect the pump during routine belt service. Checking for signs such as coolant leakage from the weep hole or unusual bearing noise can help prevent unexpected downtime in heavy commercial vehicles.

Consult your authorized distributor.

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.