21960479 Volvo FH D11K Water Pump

What does a water pump do?

This water pump plays a critical role in the engine cooling system by circulating coolant between the engine block and the radiator. By maintaining steady fluid movement, it prevents overheating and ensures the engine operates within its designed thermal parameters, which is essential for long-term durability in heavy-duty applications.

Vehicle and engine compatibility

This component is specifically designed for Volvo FH (FH4/FH5) models, including various variants such as the 420, 460, 500, and 540. It is compatible with the D11K engine series to ensure precise fitment and reliable performance during intensive operation.

Maintenance and installation

For optimal performance, technicians should inspect the pump during routine belt service. It is recommended to check for signs of coolant leakage or unusual noise from the bearing assembly. Ensuring a proper seal during installation helps maintain system pressure and prevents premature component wear.

Reliability in heavy-duty use

The part is manufactured using high-strength components to withstand the rigorous thermal and mechanical stresses typical of heavy commercial vehicle engines.

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 21960479.