51 98150 0173 Injector Pump Overflow Valve for MAN
0101 039
Summary
This injector pump overflow valve is designed for MAN heavy commercial vehicle engines. It functions as a critical pressure control component to ensure stable fuel delivery and engine performance under heavy-duty operating conditions. Equivalent to OE MAN 51981500173.
| EAN Code | 8699031061405 |
|---|
Ready to Order
Compatible OEM Codes
-
MERCEDES BENZ
- 442 990 55 63
-
MAN
- 51.98150-0173
Description
What does an injector pump overflow valve do?
The injection pump overflow valve plays a vital role in maintaining the internal pressure balance within 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 constant and steady. This component is essential for preventing irregular fuel delivery and maintaining stable engine operation.Compatibility and engine application
This overflow valve is specifically designed to be compatible with MAN engines. It serves as a reliable replacement for components used in heavy commercial vehicle applications, ensuring that the fuel system maintains the necessary pressure regulation to prevent performance drops or increased fuel consumption.Installation and maintenance guidance
When performing installation, it is crucial to maintain a clean working environment to prevent contaminants from entering the fuel system. The system must be properly bled of air after the component is installed to ensure correct operation and prevent air pockets from disrupting the fuel flow.Troubleshooting and performance
A failing overflow valve can lead to disrupted internal pressure and irregular fuel flow, which directly impacts engine stability.OE cross-reference
0101 039 (Injector Pump Overflow Valve) is the equivalent of the MAN OE number. This part directly replaces MAN OE number 51981500173.Other OEMs
MAN
- 51981500173
- 51.98150.0173
- 51-98150-0173
- 51 98150 0173
- 51.98150-0173
MERCEDES BENZ
- A4429905563
- 4429905563
- 442.990.5563
- 442.990.55.63
- 442 990 5563
- 442 990 55 63
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| MAN | |||
| MERCEDES BENZ |
FAQ
What is the function of an injector pump overflow valve?
It redirects excess fuel back to the return line once a set pressure threshold is reached, keeping the internal pump pressure constant for steady injector delivery.
Which vehicles are these parts compatible with?
These components are designed for compatibility with MAN engines used in heavy commercial vehicle applications.
What happens if the overflow valve fails?
A failure can disrupt the internal pressure balance, leading to irregular fuel flow and loss of engine running stability.
Can I install this component myself?
While possible with correct torque and a clean environment, it is recommended that an experienced workshop performs the job to avoid air or dirt entering the system.
What are the OE reference numbers of this part?
0101 039 directly replaces MAN OE number 51981500173.