7035096 Volvo Compatible Injector Pump Overflow Valve

What does an injector pump overflow valve do?

The injector pump overflow valve is a critical pressure control component within the fuel injection system of heavy-duty commercial vehicles. It functions by redirecting excess fuel back to the low-pressure circuit, ensuring the injection pump maintains a constant internal pressure balance. This regulation is essential for preventing irregular fuel flow and maintaining stable engine operation during heavy-duty cycles.

Engine and vehicle compatibility

This component is engineered for compatibility with a wide range of Volvo engines, including the D10A, D12 series, and D16C. It is suitable for various heavy commercial vehicle models such as Volvo FH12, FH16, FM12, and FL12, as well as Volvo VNL and VHD units. These parts ensure reliable fuel delivery across diverse engine configurations.

Maintenance and installation guidance

When replacing this component, technicians should verify the specific opening pressure requirements and ensure the valve body is free of debris. Proper installation helps prevent common issues like increased fuel consumption or irregular idling caused by pressure imbalances in the injection pump.

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.