21468471 Volvo FM D11K 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 flow, it prevents overheating and ensures the engine operates within its designed thermal range under heavy-duty conditions.

Compatible vehicles and engines

This part is specifically compatible with Volvo FM models, including the FM 480, FM 440, FM 380, FM 340, FM 300, FM 400, FM 360, FM 390, and FM 430 equipped with D11K engines. It functions as a reliable replacement for OE-standard parts to maintain fleet uptime.

Installation and maintenance

For professional installation, technicians should inspect the belt tension and housing seals during replacement. It is recommended to renew the pump during routine timing belt or alternator belt service intervals to prevent sudden system failure. Check the compatibility list.

Troubleshooting and signs of wear

Monitoring for symptoms such as coolant leaks from the weep hole or unusual bearing noise can help identify early signs of wear before they lead to engine overheating.

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 21468471.