Audi A4 B9 Q7 4M 3.0 Diesel Engine Fuel Line Hose Pipe Tube 059130309CR

Audi A4 B9 Q7 4M 3.0 Diesel Engine Fuel Line Hose Pipe Tube is an original fuel system component designed for Audi diesel engines. Thanks to its factory geometry and fitment, it ensures stable fuel delivery between components, which translates into the proper operation of the power unit. It is a practical solution for users who want to maintain the integrity of the fuel system according to the manufacturer's factory specifications.

Specifications and technical data

• SKU: 059130309CR
• Mark: Audi
• Condition: Used
• OEM Part Number: 059130309CR
• Substitutable numbers: 059130309CR, 059 130 309 CR
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and role in the fuel system

The presented fuel line belongs to the group of components responsible for transporting diesel fuel in a diesel engine. Its task is to provide a tight and vibration-resistant connection between individual fuel system components, ensuring that fuel is delivered at the correct pressure and without uncontrolled leaks. In Audi vehicles with a 3.0 Diesel unit, the correct selection of the fuel line is important for stable engine operation, uniform injection, and reducing the risk of air entering the system.

Benefits of using an original Audi fuel line

Using a fuel line from the Lines, hoses, and pipes group sourced from Audi allows you to maintain compliance with the manufacturer's factory standards. This means:

• a fuel flow diameter properly matched to the characteristics of the 3.0 Diesel engine,
• geometry adapted to the engine compartment, which facilitates routing the line without excessive stress,
• materials adapted to work with diesel fuel and typical temperatures in the engine compartment,
• easier diagnostics and future service thanks to maintaining the factory layout.

For users who prioritize predictable vehicle performance, an original Audi fuel line is a way to maintain the stability of the fuel system without experimenting with random replacements.

Application in 3.0 Diesel engines

The component has been designed to work with diesel units where fuel is supplied under high pressure. In such an environment, the line must maintain appropriate rigidity while remaining flexible enough to compensate for engine vibrations. The construction, adapted to the type of diesel fuel, limits the risk of material degradation due to long-term contact with diesel oil and fuel additives.

In practice, this translates into:

• more predictable behavior of the injection system,
• reduced risk of micro-leaks that can cause starting problems,
• easier visual inspection of the line routing in the engine compartment.

Characteristics of the used component

The offered fuel line is a used component, which allows for economical repair while maintaining the original origin of the part. This type of solution is particularly beneficial when servicing vehicles that are used intensively, where a reasonable balance between repair costs and maintaining the factory design of the system is important. By choosing such a component, you can effectively restore proper fuel delivery without the need to interfere with the installation design.

Complementary Audi fuel system components

If you are planning a comprehensive repair or upgrade of the fuel system area in your Audi and need other elements from the same group, such as additional lines, flexible hoses, or rigid supply pipes, check the available parts in the Audi lines, hoses, and pipes category.

For drivers interested in a broader approach to servicing premium cars, including sports and luxury models, a guide describing the use of original components from dismantling may be helpful – more information can be found in the article Luxury within reach – how to service a Porsche brand legend using proven used parts.