85000347 Volvo FH III Water Pump

What does a water pump do?

The water pump plays a critical role in the engine cooling system by circulating coolant between the engine and the radiator. This component prevents overheating by ensuring a constant flow of liquid across the engine block and through the radiator assembly. Maintaining a reliable cooling flow is essential for preventing thermal stress and ensuring engine longevity in heavy commercial vehicles.

Vehicle and engine compatibility

This specific unit is compatible with several Volvo truck models, including the FH III series (such as 480 AERO, 500 LNG, and 540), the FH series (440, 520, 480), and the FH II series (380, 420, 540). It is engineered to meet the rigorous demands of these heavy-duty engines, ensuring precise fitment and reliable performance during high-load operations.

Installation and maintenance guidance

During installation, technicians should inspect the mounting surfaces and ensure that all gaskets are correctly seated to prevent leaks. It is often recommended to inspect or renew the drive belts during water pump replacement to ensure overall system integrity. Proper maintenance helps prevent common failure indicators such as coolant leaks from the weep hole or unusual bearing noise.

Troubleshooting and performance

Check the compatibility list for your specific engine configuration.

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 85000347.