21228793 Volvo FM Water Pump

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, ensuring the constant circulation of coolant between the engine and the radiator. By maintaining stable thermal regulation, it protects engine components from heat-related damage during heavy-duty operation.

Compatible Volvo models

This component is specifically designed for use in Volvo FM and FM9 series trucks. It is compatible with various models including the FM 480, FM 440, FM 380, FM 340, FM 300, FM 400, FM 360, FM 390, and FM 430, as well as the FM 9 variants such as the FM 9/340, FM 9/300, FM 9/260, and FM 9/380.

Installation and maintenance

For optimal performance, technicians should inspect the pump during routine belt service. It is recommended to check for signs of leakage from the weep hole or unusual bearing noise. Replacing the pump alongside the drive belts can prevent unexpected downtime in fleet operations.

Troubleshooting guidance

Maintaining a reliable cooling system is vital for the longevity of heavy commercial vehicle engines. Ensure that all connections are secure and that the coolant levels are monitored regularly to support effective thermal management.

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.