21814040 Volvo FH16 III Water Pump

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, facilitating the continuous circulation of coolant between the engine block and the radiator. By maintaining steady flow, it prevents overheating and ensures that the engine operates within its intended thermal parameters under demanding conditions.

Vehicle and engine compatibility

This part is specifically engineered for Volvo FH16 III models, including 550, 750, and 650 variants, as well as several Volvo FH series models such as the 460, 500, 540, 420, 520, 440, 480, and 400. It is also compatible with various Volvo FH16 II configurations to ensure broad coverage across the fleet.

Maintenance and installation guidance

When performing maintenance, technicians should inspect the pump for signs of coolant leakage from the weep hole or unusual bearing noise. It is recommended to inspect the pump alongside the timing belt or alternator belt service to ensure system integrity. Proper installation is vital to prevent flange mismatches or internal leaks.

Troubleshooting and selection

Consult your authorized distributor to verify exact fitment for your specific 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.