21469157 Volvo FH Water Pump

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, ensuring that coolant circulates continuously between the engine block and the radiator. By maintaining consistent thermal regulation, this part helps prevent overheating and protects engine components under heavy-duty operating conditions.

Vehicle and engine compatibility

This specific unit is designed for Volvo FH models, including the 400, 440, 480, 500, and 520 variants. It is also compatible with Volvo FH13 engines featuring the D13B engine code. These heavy commercial vehicle components are engineered to meet the rigorous demands of long-haul transport and high-load cycles.

Maintenance and installation guidance

To ensure maximum service life, technicians should inspect the pump during routine belt or timing belt maintenance. It is recommended to check for signs of leakage from the weep hole or unusual bearing noise. Proper installation ensures the impeller maintains high-flow efficiency throughout its service interval.

Ensuring engine longevity

Maintaining a stable temperature through a high-quality coolant pump is essential for engine longevity in tractor units and heavy trucks.

OE cross-reference

525.03.0020 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21469157.