21648711 Compatible Water Pump for Volvo FH16 III

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, ensuring the continuous circulation of coolant between the engine and the radiator. By maintaining steady thermal regulation, this part helps prevent engine overheating during heavy-duty operations in trucks and tractor units.

Vehicle compatibility and engine fitment

The component is engineered for compatibility with Volvo FH series models, including variants such as 400, 420, 440, 460, 480, 500, 520, and 540. Additionally, it is suitable for Volvo FH16 II and FH16 III models (including 550, 650, and 750 variants). This ensures precise fitment for a wide range of heavy commercial vehicle applications.

Maintenance and installation guidance

For optimal performance and longevity, technicians should inspect the pump during scheduled belt services. Monitoring for signs such as coolant leaks from the weep hole or unusual bearing noise can prevent unexpected downtime. When replacing this component, it is recommended to check the condition of the gaskets and related drive belts.

Troubleshooting and service tips

Consult your authorized distributor to ensure correct application for your specific engine configuration.

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 21648711.