20071500 Injector Pump Overflow Valve for LASO Systems

What does an injector pump overflow valve do?

This injector pump overflow valve plays a vital role in maintaining the internal pressure balance of the fuel injection pump. By redirecting excess fuel back to the return line once a specific pressure threshold is reached, it ensures that the fuel flow to the injectors remains consistent and stable during operation.

Vehicle and system compatibility

This component is designed for use in heavy commercial vehicle engines where precise fuel metering is required. It functions effectively within the fuel system to prevent pressure surges that could otherwise lead to irregular combustion or engine instability. This part is compatible with LASO systems.

Installation and maintenance guidance

For workshop technicians, proper installation is essential to prevent air or contaminants from entering the fuel circuit. When replacing this component, ensuring a clean environment and following correct torque specifications is critical. After installation, the fuel system must be thoroughly bled of air to ensure optimal operation and prevent further engine faults.

Troubleshooting and performance

Maintaining the integrity of the overflow valve helps prevent common symptoms such as increased fuel consumption or loss of engine power. Using high-strength components ensures long-term reliability in demanding heavy-duty service environments.

OE cross-reference

0101 043 (Injector Pump Overflow Valve) is the equivalent of the LASO OE number. This part directly replaces LASO OE number 20071500.