20538845 Volvo FM FMX Compatible Water Pump

What does a water pump do?

This water pump is a vital component of the engine cooling system, designed to circulate coolant between the engine and the radiator. It ensures stable thermal management, which is essential for preventing engine overheating in heavy-duty environments.

Compatible Volvo models

This part is 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. It is also fitted to Volvo FMX variants such as the 480, 440, and 400. This component is engineered to meet the rigorous demands of heavy commercial vehicle engines.

Installation and maintenance

For professional maintenance, we recommend inspecting the pump alongside the timing belt or alternator belt during routine services. Technicians should check for signs of coolant leakage from the weep hole or unusual bearing noise to ensure optimal system performance.

Troubleshooting guidance

Consult your authorized distributor.

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 20538845.