21228793 Volvo FM FMX Water Pump

What does a water pump do?

The water pump serves as a critical component within the engine cooling system, responsible for circulating coolant between the engine and the radiator. By maintaining consistent flow, this component prevents thermal overload and ensures the engine operates within its optimal temperature range during heavy-duty service.

Vehicle and engine compatibility

This specific model is compatible with a wide range of Volvo vehicles, including the FM series (such as FM 480, FM 440, and FM 380) and the FMX series (including FMX II 460, FMX 420, and FMX III variants). It is designed to meet the requirements of these heavy commercial vehicle engines to ensure reliable thermal management.

Installation and maintenance

For optimal performance, technicians should inspect the pump during routine belt services. It is recommended to check for signs of coolant leakage or unusual bearing noise. Replacing the pump alongside associated components like gaskets or belts can prevent sudden system failures in the field.

Service and troubleshooting

Maintaining a robust cooling circuit is essential for fleet longevity. This part provides a reliable solution for workshop technicians servicing Volvo truck engines in construction or long-haul applications.

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.