20920085 Volvo FH II Water Pump

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, responsible for continuously circulating coolant between the engine block, cylinder head, and radiator. By maintaining consistent fluid flow, it prevents engine overheating and ensures optimal operating temperatures during heavy-duty operation.

Vehicle compatibility and fitment

This part is specifically designed to fit Volvo FH and FH II models, including variants such as 380, 420, 460, 500, and 540. It provides a reliable solution for maintaining the thermal balance of these heavy commercial vehicle engines.

Installation and maintenance

For optimal performance, technicians should inspect the pump during routine cooling system service. When replacing the water pump, it is recommended to check associated belts and seals to ensure complete system integrity. Proper installation ensures the impeller and shaft maintain correct alignment under load.

Troubleshooting symptoms

If you notice coolant leakage from the weep hole or unusual bearing noise, it may indicate the need for replacement to prevent engine damage.

OE cross-reference

525.03.0005 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20920085.