Audi A4 B8 8K Fuel Filler Flap Tank Cap Cover Moonlight Blue - X5R 8K0809907

Visual condition of the part

The product shows signs of use visible in the photos.

Audi A4 B8 8K Fuel Filler Flap Tank Cap Cover Moonlight Blue - X5R is an original body component from the Fuel filler flaps and accessories group, designed for installation in the rear part of the vehicle. It ensures a consistent look for the side and rear body zones while protecting the fuel filler from dirt and mechanical damage. It is a practical solution for users who want to maintain the factory styling line of their Audi.

Specifications and technical data

• SKU: 8K0809907-MOB
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0809907
• Substitutable numbers: 8K0809907, 8K0 809 907
• Location on the vehicle: Rear
• Color: Moonlight Blue Metallic - X5R
• Category: Fuel Flaps & Components

Purpose and function of the component

The described fuel filler flap is designed specifically for the rear body section of the Audi A4 B8 series. Its task is to provide mechanical protection for the fuel filler and maintain the tightness of this body zone during daily use. The design provided by the vehicle manufacturer allows for proper cooperation with the hinge, opening mechanism, and filler socket, which translates into stable operation over a long period of use.

Color and visual fit

The component is factory-finished in the Moonlight Blue Metallic – X5R shade, allowing it to harmonize with the body styling line in this color. The metallic paint coating provides a characteristic depth of color and good compatibility with the factory body paint, which makes it easier to maintain a consistent look for the entire vehicle without the need for additional painting, provided the color is matched correctly.

Product characteristics and installation

As an original Audi component, the fuel filler flap is prepared for installation in the factory location, maintaining the correct geometry and gaps between body panels. This facilitates service work and reduces the time required to replace a damaged cover. The product comes from the used parts segment, which is a cost-effective solution for users looking for a technically sound replacement of factory origin while keeping repair costs reasonable.

Application in service practice

The fuel filler flap is particularly useful for post-accident repairs, body and paint corrections, and when replacing body components exposed to operational damage. Proper fitment to the rear of the vehicle allows for the restoration of the original functionality of the refueling zone and the aesthetics of the car's side profile. Thanks to the preservation of the original design, it is possible to use existing mounting points and opening mechanisms.

Part selection and the fuel system

When replacing components related to the refueling zone, it is worth paying attention to the general condition of the fuel system and the proper operation of the filler, cap, and lines. For users who want to deepen their knowledge on the diagnostics and operation of this area, the guide article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration will be helpful, discussing the principles of selecting components by catalog numbers and the basics of proper maintenance.

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