Audi A6 C7 A7 4G8 Leak Line Return Leakage Hose Pipe 059130218AN

Audi A6 C7 A7 4G8 Leak Line Return Leakage Hose Pipe is an original component from the Lines, hoses and pipes group, designed for the fuel system in premium Audi models. Engineered as an OEM part, it ensures proper fuel routing and return, which translates into stable engine operation and correct interaction with engine accessories.

Specifications and technical data

• SKU: 059130218AN-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 059130218AN
• Substitutable numbers: 059130218AN, 059 130 218 AN, 059130296Q, 059 130 296 Q
• Part type: Line
• Category: Hoses, Lines & Pipes

Purpose and function in the fuel system

The fuel leak line in the Audi A6 C7 and A7 4G8 is responsible for the controlled return of excess fuel from the fuel supply system components to the rest of the installation. A properly selected and leak-free hose helps maintain stable operating pressure, reduces the risk of air ingress, and supports the smooth operation of injectors and other components.

The original design of the hose is matched to the factory routing in the engine bay, which minimizes stress, friction against other elements, and potential leaks resulting from improper positioning.

Construction and fitment for Audi

The hose belongs to the Lines, hoses and pipes group, meaning it has been designed to operate in a fuel environment, taking into account the temperature, vibrations, and pressure present in the engine bay. The appropriately selected material of the hose and connectors allows for safe long-term operation.

As an Audi OEM part, the fuel leak line is structurally matched to the factory mounting points and connections in the A6 C7 and A7 4G8. This facilitates installation, reduces the need for modifications, and allows for maintaining the original geometry of the fuel system.

Benefits of using an original hose

Using an original fuel leak line in an Audi provides a number of practical benefits:

• Stable fuel system operation – proper fuel flow and return promotes smooth engine performance.
• Factory fitment – compatibility with the original installation reduces the risk of leaks and improper assembly.
• Consistency with other OEM elements – the hose works in harmony with other fuel system components designed by Audi.
• Professional service solution – an appropriate choice for post-failure repairs, upgrades, or replacing worn-out lines.

Product condition and service application

The offered fuel leak line is a used item, making it an attractive option for economical vehicle repair while maintaining the manufacturer's original specifications. This solution is particularly beneficial for comprehensive service work within the fuel supply system, where both technical compliance and cost control are important.

Before installation, it is recommended to perform a standard check of the seals and the condition of the connectors, and the installation itself is best entrusted to a workshop experienced with Audi A6 C7 and A7 4G8 models to ensure proper hose routing and secure connection to the existing installation.

Expanding work within the fuel system

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 supply lines, flexible fuel hoses, or rigid guide pipes, check the available parts in the Audi lines, hoses and pipes category.

If you want to better plan a post-collision repair and understand how to safely use original second-hand parts, the guide article on repairing a car after a crash using OEM parts will be helpful, as it discusses a practical approach to selecting and installing such components.