85013425 Volvo FMX D13K Engine Water Pump

What does a water pump do?

This water pump serves as a vital 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 stable thermal management during heavy-duty operation.

Compatible Volvo vehicles and engines

This specific unit is engineered for compatibility with Volvo FMX models (including 380, 420, 460, and 500 variants) equipped with D13K engines. It is also compatible with various Volvo FM series models such as the FM 380, FM 420, FM 460, and FM 500.

Installation and maintenance guidance

Technicians should inspect the pump during routine belt services. Common signs of wear include coolant leakage from the weep hole or unusual bearing noise. Replacing the pump alongside the timing or alternator belt is recommended to ensure long-term reliability in the cooling circuit.

Troubleshooting and replacement

Check the compatibility list to ensure precise fitment for your specific 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 85013425.