7035096 Volvo FM12 D12D Overflow Valve

What does an overflow valve do?

The injector pump overflow valve is a critical control component that maintains internal pump pressure by redirecting excess fuel back to the return line. This component ensures the diesel injection pump operates within specific pressure tolerances, directly impacting engine power and fuel efficiency. Using high-strength components, this part provides a reliable solution for maintaining stable combustion in heavy commercial vehicle engines.

Compatible vehicles and engines

This specific component is compatible with Volvo FM12 trucks equipped with D12D engines. It serves as a reliable replacement for maintaining the fuel system's integrity in heavy-duty applications. The part is designed to meet the precise requirements of the injection pump assembly used in these specific engine groups.

Installation and maintenance

For workshop technicians, it is vital to verify the opening pressure and body type of the existing valve before installation. When replacing this part, ensure the fuel system is free of contaminants and that all sealing elements are correctly seated to prevent pressure drops or air ingress. Proper installation ensures long-term stability in the fuel delivery cycle.

Troubleshooting and selection

If an overflow valve fails, symptoms may include increased fuel consumption or unstable idling. Regularly inspecting the fuel system components can prevent unexpected downtime in fleet operations. Consult your authorized distributor.

OE cross-reference

0101 045 (Injector Pump Overflow Valve) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 7035096.