244900 Volvo FL10 D10A Overflow Valve

What does an overflow valve do?

The injector pump overflow valve is a critical pressure control component located within the fuel injection pump of heavy commercial vehicle engines. Its primary function is to redirect excess fuel back to the low-pressure circuit or return line, maintaining a constant internal pressure threshold. This process is vital for ensuring consistent fuel delivery and purging air from the system.

Vehicle and engine compatibility

This specific component is designed to fit Volvo FL10 trucks equipped with D10A engines. By maintaining the necessary pressure balance, it prevents irregular fuel flow and helps maintain engine running stability under heavy-duty operating conditions. It serves as a reliable replacement part for professional workshop technicians and fleet managers.

Installation and maintenance

To ensure correct installation, technicians should verify that the valve matches the specific opening pressure requirements of the injection pump. Proper maintenance of the fuel system includes regular inspection of these valves to prevent symptoms such as increased fuel consumption or loss of engine power. When replacing, ensure all sealing elements are correctly seated to maintain system integrity.

Troubleshooting guidance

Consult your authorized distributor to confirm exact fitment and availability for your specific engine configuration.

OE cross-reference

0101 045 (Injector Pump Overflow Valve) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 244900.