21974078 Compatible Volvo FM III Water Pump

What does a water pump do?

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. High-strength components are utilized to withstand the thermal stresses and mechanical pressures typical of heavy-duty commercial operations.

Compatible vehicles and engines

This unit is specifically compatible with Volvo FM III models, including variants such as 380, 460, 430, and 330. It also fits various Volvo FM and FM II configurations like the FM 330, FM 450, FM 410, and FM 370. This ensures reliable performance across several heavy commercial vehicle engine configurations.

Installation and maintenance

For optimal maintenance, technicians should inspect the pump during routine belt service intervals. It is recommended to check for signs of leakage from the weep hole or unusual bearing noise. Proper installation ensures stable coolant flow and prevents engine overheating during intensive use.

Troubleshooting guidance

Consult your authorized distributor.

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 21974078.