Audi A4 S4 B8 A5 8F Fuel Hose Pipe Line Tube Feed Return 8K0201404H

Audi A4 S4 B8 A5 8F Fuel Hose Pipe Line Tube Feed Return is an original component from the Lines, hoses and pipes group, designed for precise fuel delivery within the supply system. It ensures a stable connection between system components, which translates into safe, smooth engine operation and reduces the risk of leaks.

Specifications and technical data

• SKU: 8K0201404H
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0201404H
• Substitutable numbers: 8K0201404H, 8K0 201 404 H
• Category: Hoses, Lines & Pipes

Purpose and function in the fuel system

The fuel line in this model is responsible for both fuel supply and return, which is crucial for stabilizing pressure throughout the system. The properly selected cross-section and geometry of the line help maintain correct fuel flow, thereby ensuring the proper operation of the injectors and the pump. Using an original Audi component reduces the risk of starting problems, power loss, or uneven engine performance.

Benefits of using an original Audi fuel line

Choosing this fuel line primarily ensures factory-fit compatibility with the fuel supply system in Audi A4, S4 B8, and A5 8F vehicles. This means:

• maintaining the correct routing of the line in the engine bay,
• compatibility with factory quick-connectors and mounts,
• reduced risk of stress and chafing resulting from improper positioning.

As a result, installation is efficient, and the fuel system retains parameters close to factory specifications, which is important both for daily use and more demanding highway driving.

Performance characteristics and installation

The item comes from disassembly, which allows for combining an attractive price with the preservation of the manufacturer's original specifications. The line is designed for installation in place of the factory component, without the need for modifications to the fuel system. In practice, this means:

• the ability to use standard brackets and clamps,
• no need to adjust the length or diameter of the line,
• reducing labor time during replacement to the absolute minimum.

This solution is particularly beneficial for repairs where maintaining the original geometry of the system and the reliability of connections is essential.

Application in service and fuel system repairs

The fuel supply and return line is suitable both for typical replacement of a worn-out part and for major service work within the fuel system. It can be used, among other things, for:

• eliminating leaks in the fuel system,
• repairs after collisions where lines have been damaged,
• restoring the factory configuration after previous non-original modifications.

By adhering to Audi standards, the line provides a safe and technically consistent solution for vehicles in the A4/S4 B8 and A5 8F family, where the reliability of the fuel supply system is a priority.

Part selection by numbers and additional information

To ensure that the line is suitable for a specific engine version and model year, it is worth verifying compatibility using the OEM number or interchangeable numbers in the technical specification. This selection method minimizes the risk of error and facilitates service work, especially in the case of cars after modifications or with a history of body and mechanical repairs. If you want to better understand the differences between original, aftermarket, and used parts and their long-term cost-effectiveness, check out the article Original, aftermarket, or used – which car parts are the most cost-effective?.

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 supply lines, return lines, or flexible fuel tubes, check out the available parts in the Audi lines, hoses and pipes category.