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A4570700246 Mercedes-Benz Compatible Injector Pump Overflow Valve

0101 040

Summary

This injector pump overflow valve is designed for Mercedes-Benz heavy commercial vehicles. It ensures precise pressure regulation within the fuel injection system to maintain stable engine performance and fuel efficiency in demanding environments. Equivalent to OE Mercedes-Benz A4570700246.

Product identifiers
EAN Code8699031061412
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Compatible OEM Codes

  • MERCEDES BENZ
    • 457 070 02 46
  • LASO
    • 20071504

Description

What does an injector pump overflow valve do?

The injector pump overflow valve is a critical component within the fuel injection system that maintains internal pump pressure by redirecting excess fuel back to the return line. By regulating this pressure threshold, the valve ensures that the injection pump operates within its designed parameters, preventing irregular fuel flow and protecting the system from pressure spikes.

Compatible vehicles and engines

This component is specifically compatible with Mercedes-Benz heavy commercial vehicle engines. It functions effectively in both in-line and distributor-type pump configurations, helping to stabilize engine idle and optimize fuel consumption levels. VADEN ORIGINAL overflow valves are engineered to meet OE dimensions for reliable fleet maintenance.

Installation and maintenance

For workshop technicians, it is vital to inspect this component when experiencing symptoms like irregular engine idling or increased fuel consumption. Replacing the valve can restore the necessary pressure balance within the fuel circuit. When performing installation, ensure all sealing surfaces are clean to maintain system integrity and prevent air ingress into the fuel lines.

Troubleshooting and selection

Consult your authorized distributor to check the compatibility list for your specific engine application.

OE cross-reference

0101 040 (Injector Pump Overflow Valve) is the equivalent of the Mercedes-Benz OE number. This part directly replaces Mercedes-Benz OE number A4570700246.

Other OEMs

LASO

  • 20071504

MERCEDES BENZ

  • A4570700246
  • 4570700246
  • 457.070.0246
  • 457.070.02.46
  • 457 070 0246
  • 457 070 02 46

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
LASO
MERCEDES BENZ

FAQ

What is the function of an injector pump overflow valve?
It regulates internal injection pump pressure by redirecting excess fuel back to the return line, ensuring stable engine operation and correct injection timing.
Which vehicles is this part compatible with?
This component is designed for Mercedes-Benz heavy commercial vehicle applications, ensuring precise fitment within their specific fuel injection systems.
What are common signs of a failing overflow valve?
Technicians often observe unstable engine idling, inconsistent power delivery, or increased fuel consumption when the pressure balance is disrupted.
How can I ensure correct installation of the valve?
The valve should be installed in a clean environment to prevent contaminants from entering the fuel circuit, ensuring all sealing elements are properly seated.
What are the OE reference numbers of this part?
0101 040 directly replaces Mercedes-Benz OE number A4570700246.