0103 072 Volvo compatible Injector Pump Overflow Valve

What does an injector pump overflow valve do?

The injection pump overflow valve is a critical control component that maintains internal pump pressure by redirecting excess fuel back to the return line. By regulating this flow, the valve ensures stable engine idling and consistent fuel delivery. VADEN ORIGINAL components are manufactured using heavy-duty grade materials to withstand the demanding conditions of diesel fuel systems.

Compatible vehicles and engines

This part is compatible with Volvo engines including D12, D13, D16, D10A, and D11 series, as well as Renault Trucks engines like DXi11, DXi12, and DXi13. It is also suitable for Mack Granite and Pinnacle models equipped with MP7 or MP8 engines. This component ensures precise pressure balance within the injection system across various heavy commercial vehicle applications.

Installation and maintenance

For optimal performance, technicians should inspect the overflow valve during routine fuel system maintenance. Signs of wear include unstable idling or increased fuel consumption. When replacing, ensure the mounting surfaces are clean and check the integrity of all sealing elements to prevent pressure drops or external leaks.

Troubleshooting guidance

Consult your authorized distributor to verify the exact fitment for your specific engine serial number.

OE cross-reference

0103 072 (Injector Pump Overflow Valve) is the equivalent of the LASO and Volvo OE numbers. This part directly replaces LASO OE number 98091503. It also replaces Volvo OE number 20450468.