85023490 Volvo FMX III Cooling System 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 fluid flow, it prevents overheating and ensures the engine operates within its designed thermal parameters, which is vital for heavy commercial vehicle performance.

Compatible Volvo models

This specific unit is engineered to fit a wide range of Volvo models, including the FMX III series (380, 420, 460, 500, 540), FMX II models, and various FM series configurations such as the FM 380, 420, 460, and 500. It is specifically designed to meet the rigorous demands of heavy-duty truck engines.

Maintenance and replacement

When performing maintenance, technicians should inspect the pump for signs of coolant leakage from the weep hole or unusual bearing noise. For optimal reliability, it is recommended to inspect the pump alongside the timing belt or alternator belt during routine service intervals to prevent unexpected downtime.

Troubleshooting guidance

Check the compatibility list to ensure this part matches your specific engine requirements.

OE cross-reference

525.03.0005 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 85023490.