Audi A4 B9 A5 F5 Fuel Return Feed Hose Pipe Line 8W0201220

Audi A4 B9 A5 F5 Fuel Line Supply Return is an original part from the Lines, Hoses, and Tubes group, designed for the fuel system in mid-size to executive Audi models. Its construction, compliant with manufacturer standards, ensures proper fuel flow in both the supply and return circuits, promoting stable engine operation and correct integration with the factory system.

Specifications and technical data

• SKU: 8W0201220
• Mark: Audi
• Condition: Used
• OEM Part Number: 8W0201220
• Substitutable numbers: 8W0201220, 8W0 201 220
• Part type: Hose
• Category: Hoses, Lines & Pipes

Purpose and Function in the Fuel System

The fuel line in this configuration is responsible for transporting fuel between components of the supply system and for its return, maintaining the correct operating pressure and system integrity. Thanks to its factory fit for Audi A4 generation B9 and Audi A5 generation F5, this part works with the stock pump, rail, and other components without requiring any modifications to the system.

A properly routed line minimizes the risk of vibrations, chafing, and leaks, which is crucial for both safety and the stability of the powertrain's performance parameters. Using an original solution ensures compliance with the vehicle's original design specifications.

Benefits of Using an Original Audi Line

Using a line sourced from a dismantled Audi vehicle helps maintain the integrity of the entire fuel system. In practice, this means:

• factory fit for mounting points and routing in the engine bay and undercarriage,
• preservation of the original line's geometry in relation to other components,
• reduced risk of stress caused by incorrect length or shape of aftermarket alternatives,
• easier installation due to manufacturer-provided mounting points.

For the user, this translates to more predictable vehicle behavior, a lower risk of fuel leaks, and engine performance levels close to factory specifications. When repairing the fuel system, using such a part is particularly beneficial if maintaining the original technical configuration is a priority.

Component Characteristics and Installation

The fuel supply and return line is a complex component with a convoluted path, connecting several sections of the fuel system into one cohesive unit. It includes both the part responsible for fuel delivery and the return section, simplifying the replacement process compared to sourcing multiple individual sections. This type of solution reduces the number of connections and, consequently, potential leak points.

During installation, it is crucial to maintain the correct routing direction of the line and ensure it is properly seated in the factory brackets and clips. This prevents the line from being subjected to excessive bending, contact with hot components, or rubbing against moving parts. A correctly installed component contributes to the long-term, stable operation of the fuel system.

Condition and Application in Repairs

This part is sourced from a dismantled vehicle and is intended for reinstallation in Audi vehicles where a damaged or leaking section of the fuel system needs replacement. This type of part is particularly useful for post-accident repairs, replacing corroded system fragments, or restoring the vehicle to a condition close to its original state.

For more extensive work involving the body and fuel system, consider using proven components from dismantled vehicles. Additional information on the safe selection of used parts can be found in the article: Body and Chassis – Post-Accident Repairs Using Dismantled Parts.

If you are planning a comprehensive repair or upgrade of the fuel system area in your Audi and need other parts from the same group, such as supply lines, return sections, or flexible fuel hoses, check the available parts in the Audi Lines, Hoses, and Tubes category.