21969183 Volvo FMX D11B 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 block and the radiator. By maintaining proper thermal management, it helps prevent engine overheating during heavy-duty operations. This unit is manufactured using high-strength components to withstand rigorous thermal and mechanical stress.

Vehicle and engine compatibility

This part is specifically compatible with Volvo FMX models including the 380, 420, 460, and 500 variants, as well as Volvo FM models such as the FM 380, FM 420, FM 460, and FM 500. It is designed to work seamlessly with D11B engines to ensure reliable performance in heavy commercial vehicle environments.

Maintenance and installation guidance

For optimal performance, technicians should inspect the pump during routine belt service intervals. When replacing this component, it is recommended to check the condition of the drive belts and gaskets to ensure a proper seal and prevent future leaks or bearing play. Consult your authorized distributor to check the compatibility list.

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 21969183.