20744939 Volvo FH 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 and the radiator. Maintaining consistent thermal management is essential for preventing overheating and ensuring the longevity of heavy-duty diesel engines. This component is built with high-strength components to withstand the rigors of long-haul transport.

Compatible Volvo vehicles and engines

The unit is specifically designed for Volvo FH series trucks, including models such as the 400, 440, 480, 500, and 520. It is also compatible with Volvo FH16 II variants (540, 550, 600, 610, 650, 700, 750) and FH16 III models (550, 650, 750). This ensures reliable performance across various engine configurations within these vehicle classes.

Installation and maintenance

For optimal service life, technicians should inspect the pump during routine cooling system maintenance or belt replacements. When checking for issues, look for signs such as coolant leaks from the weep hole or unusual bearing noise. Ensuring proper tension on the drive belt is vital during installation to prevent premature wear of the internal seals.

Troubleshooting and selection

Check the compatibility list.

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.