20744939 Volvo FH 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 and the radiator. By maintaining stable operating temperatures, it prevents overheating during heavy-duty operation, which is essential for preserving engine longevity in commercial vehicles.

Vehicle and engine compatibility

This specific model is compatible with Volvo FH series engines, including the 440, 520, 480, 400, and 500 variants. It is also fitted to Volvo FH16 II models such as the FH 16/750, 540, 550, 600, 700, 650, and 610. These components are engineered to withstand high temperature fluctuations and vibration common in heavy commercial vehicle environments.

Installation and maintenance

For optimal performance, technicians should inspect the pump during routine belt service. Common signs of wear include coolant leaks from the weep hole or unusual bearing noise. When replacing this part, it is recommended to check the condition of the seals and housing to ensure a leak-free installation.

Troubleshooting and replacement

Maintaining a robust cooling system is vital for preventing serious engine damage caused by thermal stress. Always verify compatibility with your specific engine type to ensure correct fitment and performance.

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 20744939.