20451516 Volvo FM FMX Water Pump

What does a water pump do?

This water pump is a critical component within the engine cooling system, designed to circulate coolant between the engine and the radiator. By maintaining steady fluid flow, it prevents overheating and ensures the engine operates within its designed thermal parameters even under heavy-duty loads.

Compatible Volvo vehicles and models

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. It is also fitted to Volvo FMX trucks such as the 480, 440, and 400 models.

Installation and maintenance guidance

For professional installation, technicians should inspect the drive belts and mounting surfaces during replacement. It is recommended to check for any signs of coolant leakage from the weep hole or bearing play during routine maintenance intervals to prevent unexpected engine overheating.

Troubleshooting and replacement tips

Regular inspection of the cooling system helps ensure long-term reliability for heavy commercial vehicles. Consult your authorized distributor to confirm exact fitment for your specific chassis number.

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 20451516.