Fuel Distributor Rail Mercedes W211 Injector Pressure Pipe Line M112 A1120700295

The Mercedes W211 M112 fuel rail petrol is a used fuel system component in the injector nozzles category, designed for use in Mercedes vehicles. The product provides a functional base for mounting injectors in the engine, ensuring stable fuel delivery and proper powering of the engine unit. This is a solution for users looking for a technically proven part at a reasonable price.

Specifications and technical data

• SKU: A1120700295
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1120700295
• Substitutable numbers: A1120700295, A 112 070 02 95, BG
• Fuel type: Diesel
• Category: Fuel Injectors

Purpose and Role of the Fuel Rail

The Mercedes W211 M112 fuel rail operates within the engine's fuel system, responsible for the even delivery of fuel to the injectors. A correctly selected fuel rail supports stable engine operation, reduces the risk of power loss, and helps maintain proper combustion parameters. This is particularly important in diesel-powered engines, where precise fuel metering is crucial for the smoothness of operation and component durability.

Benefits of Using a Used Fuel Rail

Choosing a used component from the injector nozzles category allows for reduced service costs while maintaining the functionality of the system. This type of part can be a good solution in situations where:

• economical repair is important while maintaining the correct operation of the fuel system,
• a quick replacement of a damaged fuel rail is necessary without long waits for a new component,
• structural compatibility with the original system in the Mercedes vehicle is important.

A properly selected fuel rail helps maintain stable fuel pressure at the injectors, which translates into predictable engine behavior under various load conditions.

Technical Aspects and Fuel System Compatibility

The fuel rail offered here is a component designed to work with a diesel fuel engine. In practice, this means a construction adapted to the specifics of a high-pressure fuel system, where the following are key:

• the rigidity and seal of the fuel rail body, which affect the maintenance of stable pressure,
• precise injector seats, allowing for correct mounting of the working elements,
• proper fuel routing between the supply and individual injectors.

By maintaining the original geometry, the fuel rail can work with the original engine equipment, which facilitates installation and reduces the need for additional modifications.

Application in Service and Injector System Diagnostics

In case of problems with the injector system's operation – such as uneven engine running, power loss, or increased fuel consumption – replacing the fuel rail is often one step in a comprehensive repair. A used component can be used for both routine repairs and diagnostic purposes, for example, to compare system behavior after swapping the component. A correctly selected fuel rail helps restore proper injector fueling conditions and facilitates further assessment of the condition of other system components.

Substantive Support and Additional Information

If you want to better understand how fuel system problems manifest in diesel engines and how they affect component durability, it is worth reading the article: Diesel Injector Failures – How to Recognize Them and What Neglecting Them Entails. This is a practical addition to your knowledge when planning repairs or upgrades to the injector system.

If you are looking for other components from the Mercedes injector nozzles category, check out the Mercedes injector nozzles available in our store to select components tailored to your specific model and engine version.