21814036 Volvo FM III Water Pump

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, responsible for circulating coolant between the engine and the radiator to maintain optimal operating temperatures. Built with high-strength components, it is designed to withstand the rigorous thermal and mechanical stresses typical of heavy commercial vehicle operations.

Compatible Volvo engines

This specific model is compatible with Volvo FM III engines, including variants such as the 420, 460, and 500 models. It also fits a range of Volvo FM and FM II series trucks, providing a reliable solution for various fleet requirements. Check the compatibility list.

Installation and maintenance

When performing maintenance, technicians should inspect the pump housing and impeller for any signs of wear. It is recommended to check the pump alongside the timing belt or alternator belt service to prevent unexpected failures. Proper installation ensures long-term durability in heavy-duty applications.

Troubleshooting and replacement

Monitoring for signs such as coolant leaks from the weep hole or unusual bearing noise can help in timely replacement to avoid engine overheating.

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 21814036.