21969188 Water Pump for Volvo FM Series

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. Built with high-strength components, it is designed to withstand the rigorous thermal and mechanical stresses found in heavy commercial vehicle engines.

Compatible vehicles and engines

This specific unit is compatible with Volvo FM II models, including the FM 330, FM 450, FM 410, and FM 370. It is also fitted to other Volvo FM series trucks to ensure reliable thermal management during heavy-duty operations.

Installation and maintenance

To ensure optimal performance, technicians should inspect the pump during routine belt service or when checking for coolant leaks near the weep hole. Proper installation requires verifying the integrity of the mechanical seal and housing to prevent system pressure loss.

Troubleshooting guidance

Monitoring for signs such as unusual bearing noise or visible leaks can help prevent engine overheating and more significant repair costs in the field.

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 21969188.