21812242 Compatible Water Pump — Volvo FMX III

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, responsible for circulating coolant between the engine and the radiator. It ensures that the engine operates at optimal thermal levels, preventing overheating during intensive heavy commercial vehicle operations.

Vehicle and engine compatibility

This component is specifically designed for Volvo FMX III models, including 380, 330, 370, 430, 450, and 460 variants. It is also compatible with Volvo FM series (FM 330, FM 450, FM 410, FM 370) and older FMX and FMX II models to ensure precise fitment across various engine configurations.

Installation and maintenance

To maintain peak performance, technicians should inspect the pump for signs of coolant leakage or bearing play during routine service intervals. It is highly recommended to replace the pump in conjunction with belt services to prevent unexpected downtime in the field.

Troubleshooting guidance

Consult your authorized distributor for more information.

OE cross-reference

525.03.0009 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21812242.