0003017022 Renault Trucks Magnum DXi12 Overflow Valve

What does an overflow valve do?

The injector pump overflow valve is a critical component within the fuel injection system that maintains constant internal pump pressure by redirecting excess fuel back to the return line. By regulating this pressure threshold, the valve ensures that fuel delivery remains consistent, preventing fluctuations that can lead to irregular engine performance or unstable idling.

Compatibility and engine fitment

This specific component is designed for use in Renault Trucks Magnum vehicles equipped with DXi12 engines. It serves as a high-quality replacement part to maintain the precise pressure balance required for optimal combustion cycles in heavy commercial vehicle applications.

Installation and maintenance guidance

When performing maintenance on the fuel system, technicians should verify the pump type and ensure the valve is seated correctly to prevent pressure drops. Proper installation of this overflow valve helps prevent common symptoms such as increased fuel consumption or loss of engine power caused by irregular fuel flow within the injection pump assembly.

OE cross-reference

0101 045 (Injector Pump Overflow Valve) is the equivalent of the Renault Trucks OE number. This part directly replaces Renault Trucks OE number 0003017022.