3801102 Volvo FH Water Pump

What does a water pump do?

This water pump plays a critical role in the engine cooling system by continuously circulating coolant between the engine block, cylinder head, and radiator. By maintaining steady flow, it prevents engine overheating and ensures stable operating temperatures during intensive heavy commercial vehicle operations.

Vehicle and engine compatibility

This component is specifically designed for use in Volvo FH models, including the 400, 440, 480, 500, and 520 variants. It serves as a reliable replacement for original equipment to maintain the integrity of the thermal management system in these heavy-duty engines.

Installation and maintenance

Technicians should inspect the pump for common failure indicators such as coolant leaks from the weep hole or unusual bearing noise. It is highly recommended to inspect or renew the water pump during scheduled timing belt or alternator belt service intervals to prevent sudden engine overheating.

Troubleshooting and service

For optimal performance and system longevity, ensure all mounting surfaces are clean and gaskets are seated correctly during installation. Maintaining proper coolant levels and quality is essential for the continued operation of this belt-driven mechanical pump.

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 3801102.