20920085 Compatible Water Pump — Volvo FMX III

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 steady thermal management, it prevents engine overheating and ensures stable operating temperatures under heavy-duty workloads.

Compatible vehicles and engines

This component is specifically designed for compatibility with Volvo FMX III and FM series engines, including various power outputs such as the 380, 420, 460, 500, and 540 variants. It is also fitted to several Volvo FMX II models to ensure broad fleet coverage.

Installation and maintenance

To ensure optimal performance, technicians should inspect the pump during routine belt services. Signs of wear include coolant leakage from the weep hole or unusual bearing noise. When replacing this unit, it is recommended to check the condition of the belts and gaskets to maintain system integrity.

Troubleshooting guidance

Consult your authorized distributor to verify specific fitment for your vehicle's engine configuration.

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 20920085.