85000957 Volvo FH16 III Water Pump

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, facilitating the continuous circulation of coolant between the engine and the radiator. By maintaining stable thermal management, this part helps prevent engine overheating and ensures reliable performance under heavy-duty operating conditions.

Vehicle compatibility and engine fitment

The component is specifically engineered for Volvo FH models, including the FH16 III series with variants such as 550, 750, and 650. It also provides compatibility for Volvo FH16 II models (FH 16/600, FH 16/540, and FH 16/550) as well as various standard Volvo FH configurations like the 420, 440, 460, 480, 500, 520, 540, and 750. This pump is an ideal replacement for heavy commercial vehicle applications.

Installation and maintenance guidance

For professional installation and maintenance, technicians should inspect the drive belt and housing seals during replacement. Ensuring a proper seal during assembly prevents coolant leaks from the weep hole or gasket area. It is recommended to check for bearing play or unusual noise during routine service intervals to identify potential failure before it impacts engine performance.

Troubleshooting and selection

Always verify fitment by checking the specific engine code and chassis number to ensure perfect alignment with existing cooling system requirements.

OE cross-reference

525.03.0008 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 85000957.