239133 Volvo FM12 D12C Overflow Valve

The injector pump overflow valve is a critical control component that maintains constant internal pump pressure by redirecting excess fuel back to the return line. In heavy commercial vehicle engines, this component ensures that the fuel injection timing and pressure remain stable, which is essential for consistent power delivery and efficient fuel consumption.

This specific overflow valve is compatible with Volvo FM12 trucks featuring D12C engines. It is engineered to meet the precise requirements of the vehicle's fuel system, providing a reliable solution for workshop technicians and fleet managers looking to maintain engine performance.

When performing maintenance, it is vital to verify that the new valve matches the opening pressure and specifications of the original part. Proper installation ensures that the pressure balance within the injection pump remains undisturbed, preventing issues like irregular idling or loss of power. Always check the existing pump's requirements before replacement.

Consult your authorized distributor to confirm exact fitment and availability.

OE cross-reference

0101 045 (Injector Pump Overflow Valve) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 239133.