21974080 Water Pump for Volvo FH16 D16G

What does a water pump do?

This water pump plays a critical role in the engine cooling system by continuously circulating coolant between the engine block, cylinder head, and radiator. In heavy commercial vehicle engines, it prevents overheating by managing thermal loads during long service hours and high-temperature operations.

Compatibility with Volvo FH16

Designed for Volvo FH16 trucks equipped with D16G engines, this component ensures precise flow rates and pressure management. It is an essential replacement part for maintaining the thermal equilibrium of the engine assembly in heavy-duty applications.

Maintenance and inspection guidance

When performing engine maintenance, it is recommended to inspect the pump alongside the belt or timing belt service to prevent unexpected failures. Technicians should check for common failure indicators such as coolant leaks from the weep hole or unusual bearing noise during operation.

Troubleshooting cooling issues

For precise fitment, always verify compatibility with the specific engine code and chassis details of the vehicle. Check the compatibility list for further confirmation.

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 21974080.