Audi A4 B9 Fuel Fill In Filler Flap Cap Cover Lid Moonlight Blue Metallic - X5R

Audi A4 B9 Fuel Fill In Filler Flap Cap Cover Lid Moonlight Blue Metallic - X5R is an original body component from the Fuel filler flaps and accessories group, designed for the factory refueling system in the Audi A4 B9 generation model. Finished in the elegant Moonlight Blue Metallic - X5R shade, this flap allows you to restore the consistent look of the bodywork after damage or body repairs, while maintaining compliance with the manufacturer's factory specifications.

Specifications and technical data

• SKU: 8W0809907-MOB
• Mark: Audi
• Condition: Used
• OEM Part Number: 8W0809907-MOB
• Substitutable numbers: 8W0809907-MOB, 8W0 809 907 -M
• Color: Moonlight Blue Metallic - X5R
• Category: Fuel Flaps & Components

Purpose and function of the Audi A4 B9 fuel filler flap

The presented fuel filler flap has been designed specifically for the refueling system in the Audi A4 B9, ensuring proper coverage of the fuel cap and filler neck. It is responsible for:

• mechanical protection of the filler neck against dirt and moisture,
• maintaining the continuity of the body lines in the rear fender area,
• stable closing thanks to factory mounting points.

Thanks to the use of the original geometry of the component, proper fitment with the bodywork is maintained, which reduces the risk of leaks and improper closing.

Moonlight Blue Metallic - X5R color and visual matching

The Moonlight Blue Metallic - X5R finish allows for an aesthetic match to bodywork painted in the same color code. This is particularly important for:

• local repairs after collisions or scratches,
• replacing a damaged flap without the need for full repainting,
• maintaining a uniform structure and shade of paint in the rear fender area.

Using the original shade limits color differences that often appear with components painted outside of the manufacturer's standards.

Product characteristics and benefits of use

The fuel filler flap from this offer belongs to the Fuel filler flaps and accessories group, which means it has been constructed to work in the immediate vicinity of the fuel system and external operating conditions. Using an original component ensures:

• compliance with Audi's factory dimensional tolerances,
• proper cooperation with the hinge and opening mechanism,
• easier installation in place of the damaged component.

The product is offered as a used part, which allows for economical repair while maintaining the original construction and material typical of Audi components.

Professional installation and technical aspects

Due to the importance of proper body panel fitment, it is recommended that the flap be installed by a body and paint shop or a service center specializing in the Audi brand. Proper installation allows you to:

• maintain an even gap between the flap and the bodywork,
• ensure the correct operation of the opening and closing mechanism,
• minimize the risk of paint damage during operation.

Selecting the component according to the manufacturer's markings enables precise matching to a specific version of the Audi A4 B9, without the need for modifications or fitting aftermarket replacements.

If you are planning a comprehensive repair or upgrade of the fuel filler area in your Audi and need other components from the same group, such as covers, hinges, or additional masking elements, check out the available parts in the Audi fuel filler flaps and accessories category.

Technical support and knowledge about the fuel system

When working in the fuel filler area, it is worth knowing the basic principles of operation and diagnostics of the entire fuel supply system. A detailed discussion of the construction, selection of components by manufacturer markings, and regeneration principles can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which can be a practical supplement when planning broader service work.

Summary

Audi A4 B9 Fuel Fill In Filler Flap Cap Cover Lid Moonlight Blue Metallic - X5R is an original, used body component that allows for a technically correct and visually consistent repair of the fuel filler area. The use of the factory color, design-compliant construction, and a component from the Fuel filler flaps and accessories group facilitates the restoration of the vehicle's original appearance and reduces costs compared to purchasing a new part.