21974078 Compatible Water Pump — Volvo FH16

What does a water pump do?

This water pump plays a critical role in the engine cooling system by circulating coolant between the engine and the radiator. Designed to withstand high temperatures and continuous vibration, it ensures stable thermal management for heavy-duty engines. Built with high-strength components, this pump maintains consistent flow rates to prevent engine overheating during long service hours.

Vehicle and engine compatibility

This specific model is compatible with Volvo FH16 trucks equipped with the D16E engine. It serves as a reliable replacement part for workshop technicians and fleet managers looking to maintain engine integrity in heavy commercial vehicle applications.

Installation and maintenance guidance

When performing maintenance, it is recommended to inspect the water pump alongside the drive belts or timing belt systems. Technicians should check for signs of coolant leakage from the weep hole or unusual bearing noise to identify potential failure before it impacts engine performance.

Troubleshooting and selection

Selecting the correct part is essential for maintaining system pressure and preventing flange mismatches. Always verify compatibility using the engine code and current part reference to ensure a precise fitment during installation.

OE cross-reference

525.03.0009 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21974078.