21814009 Water Pump for Volvo FH D11K

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 to prevent overheating. It is manufactured using heavy-duty grade materials to withstand the rigorous thermal and mechanical stresses encountered during continuous operation in heavy commercial vehicles.

Vehicle and engine compatibility

This specific unit is designed for Volvo FH (FH4/FH5) models equipped with the D11K engine, including various configurations such as the 420, 460, 500, and 540 variants. It is also compatible with other Volvo truck series to ensure reliable cooling performance.

Maintenance and installation guidance

For professional maintenance, it is recommended to inspect the pump alongside the timing belt or alternator belt during scheduled service intervals. Technicians should check for signs of coolant leakage from the weep hole or unusual bearing noise during routine inspections to prevent engine overheating.

Troubleshooting and inspection

Consult your authorized distributor to confirm exact fitment for your specific engine configuration.

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 21814009.