85020085 Water Pump for Volvo FH Engines

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, responsible for circulating coolant between the engine and the radiator. By maintaining consistent thermal management, it prevents engine overheating during intensive heavy commercial vehicle operations.

Vehicle and engine compatibility

This part is specifically designed for Volvo FH (FH4/FH5) models equipped with D11K engines, including variants such as the 400, 440, 480, 500, and 520. It provides a reliable solution for maintaining optimal operating temperatures in these heavy-duty truck engines.

Installation and maintenance

For professional installation, technicians should inspect the mounting surfaces and the drive belt tension during replacement. Ensuring proper alignment of the pump housing and checking the integrity of the cooling hoses is recommended to prevent leaks or premature wear of the internal components.

Troubleshooting guidance

Regular inspection of the coolant level and looking for signs of leakage around the pump can help prevent unexpected downtime in fleet operations.

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 85020085.