21974080 Volvo FMX Water Pump Compatible

What does a water pump do?

This water pump plays a critical role in the engine cooling system by circulating coolant between the engine and the radiator. It is engineered to withstand high-stress operating conditions, ensuring efficient thermal management for heavy-duty engines. By maintaining constant coolant flow, it prevents overheating and protects vital engine components from thermal damage.

Compatible Volvo vehicles and engines

This component is specifically designed for Volvo FMX models including 370, 410, 430, 450, and 330 variants. It is also compatible with Volvo FM models such as FM 330, FM 370, FM 410, and FM 450. These parts are essential for maintaining the reliability of heavy commercial vehicle engines in demanding environments.

Installation and maintenance guidance

For optimal performance, technicians should inspect the pump during routine belt service. Checking for signs of coolant leakage from the weep hole or unusual bearing noise can help prevent unexpected downtime. When replacing this unit, it is recommended to inspect the associated belts and gaskets to ensure a complete and professional installation.

Troubleshooting and selection

Selecting the correct pump ensures seamless integration with the existing cooling circuit of the vehicle.

OE cross-reference

525.03.0009 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21974080.