21468472 Volvo FH Water Pump D16K Engine

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, responsible for circulating coolant between the engine block and the radiator. By maintaining steady flow, it prevents overheating and ensures the engine operates within its optimal thermal range, which is vital for long-haul performance and engine longevity.

Vehicle and engine compatibility

This specific unit is designed for Volvo FH and FH16 models, specifically compatible with the D16K engine series. It also fits various Volvo FH configurations including 400, 440, 480, 500, and 520 variants. These parts are engineered to withstand high-load operating conditions typical of heavy commercial vehicle service.

Installation and maintenance

For optimal performance, technicians should inspect the pump during routine timing belt or alternator belt services. When replacing a water pump, it is recommended to check the integrity of the mechanical seal and housing to prevent leaks or bearing play. Proper installation ensures the coolant flow remains consistent under high temperatures and vibrations.

Troubleshooting cooling issues

Regular monitoring for signs such as coolant leaks from the weep hole or unusual bearing noise can prevent serious engine damage caused by overheating.

OE cross-reference

525.03.0006 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21468472.