21228793 Volvo FM D13B Water Pump

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 constant flow, it prevents overheating and protects engine components from thermal stress during heavy-duty operation.

Vehicle and engine compatibility

This part is specifically compatible with Volvo FM series trucks, including the FM 480, FM 440, FM 380, FM 340, FM 300, FM 400, FM 360, FM 390, and FM 430 models. It is also engineered for Volvo FM13 units equipped with D13B engines. This ensures precise fitment for professional fleet maintenance.

Installation and maintenance

To ensure proper function, technicians should inspect the pump during routine belt service. It is recommended to check for signs of leakage or bearing noise. Replacing the pump alongside the timing or alternator belt is a standard practice to prevent unexpected downtime in heavy commercial vehicles.

Troubleshooting and service guidance

Regular monitoring of the cooling system helps prevent issues such as impeller wear or seal failure. Maintaining a clean cooling circuit ensures this component operates effectively throughout its service life. 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 21228793.