Audi A6 C7 A7 4G A8 D4 3.0 TDI Diesel Fuel Injection Rail Line Pipe 059130089BS

Audi A6 C7 A7 4G A8 D4 3.0 TDI Diesel Fuel Rail is a fuel system component designed for 3.0 TDI diesel engines in Audi vehicles. This product, categorized under injector nozzles, is a crucial link for precise fuel delivery to the engine, impacting its running smoothness and performance parameters.

Specifications and technical data

• SKU: 059130089BS
• Mark: Audi
• Condition: Used
• OEM Part Number: 059130089BS
• Substitutable numbers: 059130089BS, 059 130 089 BS
• Fuel type: Diesel
• Category: Fuel Injectors

Purpose and Role in the Injection System

The fuel rail for Audi 3.0 TDI operates within a common rail system, stabilizing the fuel pressure supplied to the injectors. A properly selected component allows for:

• maintaining stable fuel pressure across the entire engine load range,
• precise diesel fuel metering to individual cylinders,
• limiting pressure fluctuations that can cause uneven engine operation.

A correctly chosen fuel rail is key to proper injector function, reduced smoke emissions, and maintaining the vehicle's dynamic performance.

Compatibility with Audi Models

This fuel rail is designed for use in Audi vehicles equipped with the 3.0 TDI diesel engine, such as:

• Audi A6 C7 – 3.0 TDI units used in sedan and wagon versions,
• Audi A7 4G – 3.0 TDI engines in the Sportback body style,
• Audi A8 D4 – luxury sedans with the 3.0 TDI unit.

By using an original Audi OE solution, the correct geometry and mounting points are maintained, facilitating installation in factory locations and ensuring compatibility with the standard engine equipment.

Technical Characteristics and User Benefits

A fuel rail operating in a diesel fuel system must meet requirements for resistance to high pressures and fuel quality. The use of an original Audi OE component ensures:

• appropriate material strength for the pressure loads typical of common rail systems,
• precise fuel flow channels, promoting uniform supply to all injectors,
• correct interaction with sensors and equipment of the injection system as intended by the manufacturer.

Selecting a fuel rail that matches the factory specification minimizes the risk of starting problems, power drops, or increased fuel consumption, and also simplifies diagnostics during future inspections.

Product Condition and Service Application

The offered fuel rail is a used component, providing a cost-effective solution for users seeking an economical repair of the injection system while maintaining OE-class components. This type of part is particularly useful in situations where:

• replacement of a damaged fuel rail is necessary after an injection system failure,
• repairs are being carried out on a 3.0 TDI engine after seizure or overheating,
• a comprehensive overhaul of the fuel system in Audi vehicles is being performed.

Choosing an original fuel rail from a dismantled vehicle allows for adherence to the original engine design and reduces costs compared to new parts.

Technical Support and Additional Materials

When working with a common rail system, it is beneficial to be aware of typical symptoms of fuel system component wear. Detailed information on damage symptoms and diagnostics can be found in the article “Diesel Injector Failures – How to Recognize Them and What Neglecting Them Entails”, which discusses practical aspects of operating diesel engines.

If you are looking for other Audi injector nozzles compatible with various models of this brand, check our offer in the Audi injector nozzles category, where you will find a wide selection of fuel system components for popular TDI units.