21814040 Volvo FMX III Compatible 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 engine overheating and ensures stable thermal management during heavy-duty operation. The unit is engineered using high-strength components to withstand the rigorous demands of commercial vehicle service.

Compatible Volvo vehicles

This specific model is compatible with Volvo FMX III models including 380, 420, 460, 500, and 540. It also fits various Volvo FM series variants such as the FM 360, FM 380, FM 400, FM 420, FM 440, FM 460, FM 480, and FM 500. These components are essential for maintaining engine temperature stability in these heavy commercial vehicle applications.

Installation and maintenance

For optimal performance, technicians should inspect the pump during routine cooling system maintenance or when replacing belts. It is recommended to check for signs of coolant leakage from the weep hole or unusual bearing noise. Ensuring proper installation of the gasket and correct belt tension is crucial to prevent premature wear of the internal seals and bearings.

System maintenance guidance

Maintaining a healthy cooling system helps prevent engine overheating and potential component failure. When replacing this unit, it is often efficient to inspect related parts such as the thermostat and radiator hoses to ensure complete system integrity.

OE cross-reference

525.03.0008 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21814040.