3801102 Volvo FH Water Pump

What does a water pump do?

This water pump is a critical component within the engine cooling system, designed to circulate coolant between the engine and the radiator. By maintaining consistent fluid flow, it prevents engine overheating during high-load operations, which is essential for the longevity of heavy commercial vehicle engines.

Vehicle compatibility and engine fitment

This component is specifically compatible with Volvo FH series, including models 400, 440, 480, 500, and 520, as well as the FH16 II range such as the FH 16/540, 550, 600, 650, 700, and 750 variants. It is engineered to withstand the rigorous thermal and vibrational stresses typical of heavy-duty truck applications.

Maintenance and installation guidance

To ensure proper fitment and performance, technicians should inspect the pump's mechanical seal and impeller during routine maintenance. It is recommended to replace the water pump alongside the timing belt or drive belt service to prevent unexpected downtime caused by bearing wear or leaks.

Troubleshooting common symptoms

If you observe coolant leaking from the weep hole or hear unusual noises from the front of the engine, it may indicate that the internal bearings or seals require attention. Consult your authorized distributor for precise fitment verification.

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.