1353622 Scania compatible Injector Pump Overflow Valve

What does an overflow valve do?

The injection pump overflow valve is a vital pressure control component within the fuel injection system of heavy commercial vehicle engines. Its primary function is to redirect excess fuel back to the return line once a specific pressure threshold is reached, ensuring that the internal pressure within the injection pump remains constant. This regulation is essential for maintaining a steady fuel flow to the injectors and preventing pressure spikes that could disrupt engine timing.

Compatibility with Scania engines

This component is specifically designed for compatibility with Scania engines. By managing the recirculated fuel volume, the valve helps purge air from the system and maintains the delicate balance required for consistent combustion. When this component functions correctly, it prevents issues such as irregular fuel flow or sudden loss of engine performance in heavy-duty applications.

Maintenance and installation

For workshop technicians and fleet managers, maintaining this component is key to preventing increased fuel consumption and engine instability. Proper installation ensures that the return line remains clear and the pressure threshold is met according to OEM specifications. Consult your authorized distributor for replacement guidance and fitment verification.

OE cross-reference

0101 045 (Injector Pump Overflow Valve) is the equivalent of the Scania OE number. This part directly replaces Scania OE number 1353622.