21648716 Compatible Volvo FM 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 block and the radiator. By maintaining consistent fluid flow, it prevents overheating and ensures the engine operates at its ideal thermal range, even under high-load commercial driving conditions.

Compatible vehicles and engines

This specific unit is engineered to fit Volvo FM series trucks, including the FM 330, FM 450, FM 410, and FM 370 models. It is also compatible with the Volvo FM13 engines equipped with the D13C engine code. These components are built to withstand the rigorous thermal cycles typical of heavy commercial vehicle operations.

Installation and maintenance

For optimal performance, technicians should inspect the pump during routine cooling system maintenance. It is recommended to check for signs of coolant leakage from the weep hole or unusual bearing noise. When performing belt service, it is a best practice to inspect this component to prevent unexpected downtime caused by impeller or seal failure.

Troubleshooting guidance

Check the compatibility list for exact fitment.

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 21648716.