21969183 Volvo FH FH16 D16K Water Pump

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 and the radiator to maintain stable operating temperatures. Designed for heavy commercial vehicle applications, it utilizes high-strength components to withstand continuous high-temperature and high-vibration environments common in long-haul trucking.

Vehicle and engine compatibility

The unit is specifically engineered for fitment in Volvo FH series trucks, including variants 420, 460, 500, and 540. It is also compatible with Volvo FH16 models equipped with D16K engines. This ensures reliable performance across diverse heavy-duty duty cycles.

Installation and maintenance

For optimal maintenance, technicians should inspect the pump during timing belt or alternator belt service intervals. Common indicators for replacement include coolant leaks from the weep hole or unusual bearing noise. Ensuring correct installation of this component is vital for preventing engine overheating.

Troubleshooting guidance

Consult your authorized distributor.

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.