Audi A5 F5 A6 C8 A7 4G Fuel Breather Line Pipe Hose 059103209N

Audi A5 F5 A6 C8 A7 4G Fuel Breather Line Pipe Hose is a component from the Lines, hoses and pipes group, designed for the fuel system of selected Audi models. It is responsible for the safe venting of fuel vapors and pressure stabilization, which promotes proper engine operation and reduces the risk of leaks in the installation.

Specifications and technical data

• SKU: 059103209N-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 059103209N
• Substitutable numbers: 059103209N, 059 103 209 N, 059 103 209 R, 059103209R
• Category: Hoses, Lines & Pipes

Purpose and function in the fuel system

The fuel breather line used in Audi A5 F5, A6 C8, and A7 4G models operates within the fuel supply system, ensuring controlled venting of vapors from fuel lines and the tank. A properly selected line of this type helps maintain stable pressure, reduces the load on other components, and supports smooth engine operation.

Thanks to a design tailored to the specific Audi platform, the pipe maintains the correct routing geometry, which limits the risk of abrasion, kinks, and unwanted vibrations. This solution is particularly important in modern fuel systems, where tightness and proper venting have a direct impact on engine performance.

Original origin and fitment

The product comes from the Audi line, which means compliance with the manufacturer's factory quality and assembly standards. Original manufacturing translates into:

• precise fitment to mounts and line routing in the body,
• maintenance of the correct diameter and cross-sectional shape,
• compatibility with factory connectors and fuel system components.

As a result, the pipe can be used as a replacement for a worn-out part without the need for modifications, which facilitates the mechanic's work and shortens service time.

Performance characteristics and advantages

As an element from the Lines, hoses and pipes category, the fuel breather line operates under demanding temperature and mechanical conditions. Using an original Audi component allows for maintaining:

• stable fuel system venting under typical operating conditions,
• appropriate resistance to fuel and vapors,
• correct routing of the line relative to other installations in the engine bay and chassis.

Replacing a worn or leaking pipe with a functional element of this type helps reduce the risk of fuel odors, leaks, and errors related to the operation of the fuel supply system.

Product condition and service application

The offered fuel breather line is in used condition, making it an attractive solution for service repairs where reasonable cost is important while maintaining compliance with factory specifications. This type of part will work well both for standard replacement of a worn line and for larger works within the fuel system, e.g., after tank disassembly or system modernization.

Support with selection and additional information

The fuel breather line for Audi A5 F5, A6 C8, and A7 4G has a dedicated OEM part number and associated interchangeable numbers, which facilitates unambiguous identification in service catalogs. In case of doubt during selection, it is worth comparing the markings with the vehicle documentation or using the help of a specialist to ensure full compatibility with the specific engine version and model year.

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

During service work, it is also worth paying attention to the condition of the air conditioning system – you can read about typical symptoms of compressor damage and when it is safe to reach for a used component in the article Air conditioning compressor – failure symptoms, causes, and safe replacement.