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A9060921210 Mercedes-Benz Compatible Injector Pump Overflow Valve
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A9060921210 Mercedes-Benz Compatible Overflow Valve

0101 042

Summary

This injector pump overflow valve is designed for Mercedes-Benz heavy commercial vehicles. It maintains internal fuel pump pressure balance to ensure stable engine operation and efficient fuel delivery in demanding service environments. Equivalent to OE Mercedes-Benz A9060921210.

Product identifiers
EAN Code8699031061436
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Compatible OEM Codes

  • MERCEDES BENZ
    • 906 092 12 10
    • 906 092 05 10

Description

What does an overflow valve do?

This injector pump overflow valve is a critical pressure control component within the fuel injection system. It functions by redirecting excess fuel back to the return line, which maintains a constant internal pressure threshold within the pump. By regulating this recirculated volume, the valve ensures that fuel delivery to the injectors remains precise and consistent during engine operation.

Vehicle and engine compatibility

This component is compatible with Mercedes-Benz heavy commercial vehicles. It provides a reliable solution for maintaining engine performance and idle stability in various heavy-duty applications. The valve is engineered to meet high-strength component standards for durability in demanding environments.

Installation and maintenance guidance

To ensure proper function, technicians should inspect the overflow valve during routine fuel system maintenance. Symptoms of a failing valve include irregular fuel flow, increased consumption, or loss of engine power. When replacing this component, verify that all sealing elements are correctly seated to prevent pressure drops or air ingress into the fuel circuit.

OE cross-reference

0101 042 (Injector Pump Overflow Valve) is the equivalent of the Mercedes-Benz OE number. This part directly replaces Mercedes-Benz OE number A9060921210.

Other OEMs

MERCEDES BENZ

  • A9060921210
  • A9060920510
  • 9060921210
  • 9060920510
  • 906.092.1210
  • 906.092.12.10
  • 906.092.0510
  • 906.092.05.10
  • 906 092 1210
  • 906 092 0510
  • 906 092 12 10
  • 906 092 05 10

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MERCEDES BENZ

FAQ

What is the function of an injector pump overflow valve?
It regulates internal pump pressure by redirecting excess fuel back to the return line, ensuring stable injection timing and consistent fuel flow.
Which vehicles are compatible with this component?
This part is designed for use in Mercedes-Benz heavy commercial vehicles to maintain optimal fuel system pressure.
What are the symptoms of a faulty overflow valve?
Common signs include irregular engine running, loss of power, increased fuel consumption, or unstable idling due to pressure imbalances.
How does this part support engine stability?
By maintaining a constant pressure threshold within the injection pump, it prevents irregular fuel surges and helps purge air from the system.
What are the OE reference numbers of this part?
0101 042 directly replaces Mercedes-Benz OE number A9060921210.