352 997 12 30 Injector Pump Overflow Valve for Mercedes-Benz

What does an injector pump overflow valve do?

This injector pump overflow valve serves as a critical pressure regulation component within the diesel injection pump system. By redirecting excess fuel back to the return line, it maintains a constant internal pressure threshold, which is essential for consistent fuel injection timing and stable engine idling.

Compatibility and fitment

This component is specifically compatible with Mercedes-Benz heavy commercial vehicle engines. It is engineered to meet OE dimensions, ensuring seamless integration within the fuel system of trucks and buses. VADEN ORIGINAL provides high-strength components designed for heavy-duty service conditions.

Installation and maintenance

For workshop technicians, it is vital to inspect the overflow valve during fuel system maintenance. A malfunctioning valve can lead to irregular fuel flow or increased consumption. When replacing this part, ensure the fuel lines and seals are inspected to maintain system integrity and prevent air ingress.

Troubleshooting and selection

Maintaining the correct pressure balance is key to preventing engine performance loss. Choosing a high-quality replacement ensures the injection pump operates within its designed parameters, supporting long-term engine reliability for fleet managers.

OE cross-reference

0101 043 (Injector Pump Overflow Valve) is the equivalent of the Mercedes-Benz OE number. This part directly replaces Mercedes-Benz OE number 3529971230.