Audi A4 A6 A8 Fuel Rail Right O/S 06E130090C

The Audi A4 A6 A8 Fuel Rail Injector Right is an original fuel system component designed for precise cooperation with injectors in Audi engines. Thanks to its factory geometry and fit for the right side of the engine unit, it ensures stable fuel pressure and repeatable injection performance, which translates to engine smoothness and durability. This is a solution for users who expect compatibility with the factory system and want to maintain operating parameters in line with the manufacturer's specifications.

Specifications and technical data

• SKU: 06E130090C
• Mark: Audi
• Condition: Used
• OEM Part Number: 06E130090C
• Substitutable numbers: 06E130090C, 06E 130 090 C
• Location on the vehicle: Right
• Part type: Fuel Injector
• Category: Fuel Injectors

Purpose and Function of the Fuel Rail

The injector fuel rail is responsible for the even distribution of fuel to individual injectors, stabilizing pressure in the system, and limiting pulsations generated during pump operation. For units used in Audi A4, A6, and A8, a correctly selected fuel rail is crucial for:

• maintaining proper working pressure across the entire load range,
• ensuring uniform fuel delivery to each cylinder,
• limiting power loss resulting from insufficient fuel supply,
• stable engine operation at idle and during rapid acceleration.

This component works directly with the injectors, so its condition and structural fit are important for both performance and the longevity of the entire fuel system.

Construction and Fit for the Right Side of the Vehicle

The presented fuel rail is designed for installation on the right side of the engine unit, which means a specifically profiled shape, arrangement of connectors, and mounting points. This allows for:

• unobstructed routing of fuel lines and connectors,
• correct positioning relative to the cylinder head and injectors,
• retention of factory support and mounting points,
• easier installation without the need for system modifications.

Its original origin from the Audi group promotes maintaining system rigidity and resistance to vibrations, which is important at the high working pressures typical of modern injection systems.

Operational Characteristics and Benefits of Use

As a component in the Injector Nozzles category, the fuel rail forms part of the complete engine fuel supply path. Its proper functioning affects:

• stable injector operation across the full RPM range,
• more predictable throttle response,
• reduced risk of uneven engine operation due to pressure fluctuations,
• maintaining combustion parameters at the level set by the manufacturer.

The used condition of the component allows for economical repair while maintaining the original Audi design, which is particularly important for advanced injection systems sensitive to imprecise aftermarket replacements.

Application in Diagnostics and Repair of the Injection System

The fuel rail is often replaced when problems with fuel pressure, uneven engine operation, or control unit errors related to injector supply arise. In workshop practice, it is used both as a repair part and as an auxiliary component in system diagnostics. For diesel engines, it is particularly important to quickly identify injection malfunctions – you can find more information on this topic in the article Diesel Injector Faults – How to Recognize Them and What Neglecting Them Entails, which discusses symptoms, consequences, and basic diagnostic methods.

Comprehensive Audi Injection System Service

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other components from the same group, such as fuel rails, fuel line components, or injector-related parts, check the available parts in the Audi Injector Nozzles category.

For more advanced engine unit modifications, including power increases using fuel system components, the guide How to Increase Engine Power: A Practical Guide to Engine Tuning with Used Parts may be helpful, discussing practical aspects of tuning with used market components.