21812242 Volvo FMX II Water Pump

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. By maintaining consistent thermal management, it prevents engine overheating during heavy-duty operations. The assembly is constructed using high-strength components to ensure long-term durability in demanding environments.

Compatible Volvo models

This component is specifically engineered for Volvo FMX II models, including the 410, 330, 370, and 450 variants. It is also compatible with Volvo FM series trucks such as the FM 330, FM 450, FM 410, and FM 370. This part ensures precise fitment for these specific heavy commercial vehicle applications.

Installation and maintenance

For optimal performance, technicians should inspect the pump during routine cooling system maintenance or when replacing belts. Checking for signs of coolant leakage or bearing noise can prevent unexpected engine downtime. When performing service, it is recommended to check all related gaskets and connections to ensure a secure seal.

Troubleshooting and selection

Proper selection ensures that the coolant flow rate remains consistent with OEM requirements, protecting the engine from thermal stress.

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.