21814040 Volvo FMX D11B Water Pump

This water pump serves as a vital component within the engine cooling system, ensuring the consistent circulation of coolant between the engine and the radiator. It is engineered to withstand high-pressure and high-temperature environments typical of heavy-duty commercial vehicle operations, helping to prevent engine overheating and ensuring long-term reliability.

This part is specifically designed for Volvo FMX trucks featuring D11B engines, as well as various Volvo FM series models including the FM 360, FM 380, FM 400, FM 420, FM 440, FM 460, FM 480, and FM 500. These components are essential for maintaining thermal stability in heavy commercial vehicle engines.

To ensure optimal performance, technicians should inspect the pump during routine belt service. Signs of wear often include coolant leakage from the weep hole or unusual bearing noise. When replacing this component, it is recommended to check all related cooling system hoses and gaskets to ensure a complete and secure installation.

Consult your authorized distributor to verify specific fitment for your vehicle's engine configuration.

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.