Fuel Injection Rail Mercedes W176 W246 OM607 High Pressure Fuel Rail A6070700400

Mercedes W176 OM607 Fuel Rail A6070700400 is a fuel system component designed for diesel engines, engineered by the manufacturer for stable fuel injection performance. A used fuel rail from this series is a suitable service solution for vehicles with the OM607 engine, where maintaining correct common rail pressure is crucial.

Specifications and technical data

• SKU: A6070700400
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6070700400
• Substitutable numbers: A6070700400, A 607 070 04 00, 175215346R
• Fuel type: Diesel
• Category: Fuel Injectors

Purpose and Technical Characteristics

The OM607 series fuel rail operates within the diesel engine fuel system, responsible for uniform fuel distribution to the injectors. Its design is adapted to the requirements of modern high-pressure diesel units, which demand precise pressure maintenance and quick response to load changes.

This component works with the injectors in a way that ensures stable operating parameters, contributing to proper engine running smoothness, reduced vibrations, and predictable vehicle behavior across the entire RPM range.

Application in Diesel Injection Systems

In common rail systems, the fuel rail acts as a pressure buffer, enabling:

• maintenance of stable fuel pressure throughout the engine's operating range,
• precise fuel metering to individual injectors,
• reduction of pressure fluctuations during sudden load changes,
• cooperation with the control electronics responsible for the injection strategy.

Consequently, a correctly selected fuel rail helps maintain optimal combustion parameters, which is significant for both performance, emissions, and fuel consumption.

Component Condition and Installation Aspects

The offered fuel rail is in used condition, making it an attractive cost-effective alternative to new components while retaining the functionality required for daily operation. Before installation, standard verification of system tightness and inspection of cooperating components, such as injectors and high-pressure lines, are recommended.

The selection of the fuel rail should be based on compatibility with the OM607 engine and the manufacturer's part number, minimizing the risk of installation issues and ensuring proper fitment to the existing fuel system.

Benefits of Using an Original Fuel Rail

Using a fuel rail dedicated to the OM607 engine in a Mercedes vehicle allows for:

• preservation of the original operating parameters of the diesel injection system,
• reduction of the risk of unstable engine operation resulting from incorrect fuel pressure,
• better cooperation with the factory engine control unit and pressure sensors,
• maintenance of predictable vehicle behavior during acceleration and engine braking.

This solution is particularly beneficial when the original component has worn out, and the priority is to restore proper injection system function without excessively increasing repair costs.

Diagnostics and Prevention for the Injection System

When replacing the fuel rail, it is advisable to pay attention to the overall condition of the diesel fuel system. Symptoms such as starting difficulties, power loss, smoke, or rough idling may also indicate problems with the injectors themselves. To better understand the relationship between the fuel rail and injectors, and to learn about typical fault symptoms, consult the guide: diesel injector faults – symptoms, consequences, and diagnostics.

Other Mercedes Injector Nozzles

If you are also looking for other components in the Mercedes injector nozzles category for expanding or comprehensively repairing the fuel system, check out the Mercedes injector nozzles available in our store to select components matched to your specific model and engine version.