21284318 Volvo FMX II Equivalent Water Pump

This water pump serves as a critical component within the engine cooling system, ensuring the continuous circulation of coolant between the engine and the radiator. By maintaining proper thermal regulation, it helps prevent engine overheating during heavy-duty operation. The assembly is engineered to withstand high-pressure environments and constant mechanical stress typical of heavy commercial vehicle use.

This part is specifically designed for Volvo FMX II models including variants 540, 500, 460, 420, and 380. It is also compatible with Volvo FM series trucks such as the FM 500, FM 380, FM 420, and FM 460. These components are essential for maintaining optimal thermal management in these specific heavy-duty engines.

For professional maintenance, it is recommended to inspect the pump during periodic belt or cooling system service. Technicians should check for signs of coolant leakage from the weep hole or unusual bearing noise. Replacing the unit during scheduled intervals helps prevent sudden engine overheating and ensures system integrity.

Consult your authorized distributor.

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 21284318.