Audi A4 B8 Fuel Filler Flap Tank Cap Cover Brilliant Black - LY9B 8K0809907

Visual condition of the part

The product shows signs of use visible in the photos.

Audi A4 B8 Fuel Filler Flap Tank Cap Cover Brilliant Black is an original body component from the Fuel filler covers and accessories group, designed for installation in the rear part of the vehicle. The paint in the Brilliant Black Metallic - LY9B shade ensures color consistency with the factory body finish, facilitating an aesthetic and technically correct repair of the fuel filler area.

Specifications and technical data

• SKU: 8K0809907-BBL
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0809907-BBL
• Substitutable numbers: 8K0809907, 8K0 809 907
• Location on the vehicle: Rear
• Color: Brilliant Black Metallic - Y9B
• Category: Fuel Flaps & Components

Purpose and fitment for Audi A4 B8

The presented flap is a factory solution dedicated to the Audi A4 B8 generation model, ensuring a proper fit to the body lines and correct operation with the fuel filler opening mechanism. Its placement in the rear of the vehicle makes this component significant both for protecting the filler neck and for the visual consistency of the entire side of the car.

Its original Audi origin helps maintain proper assembly clearances, correct adhesion to the fender, and compatibility with factory hinges and the flap lock. As a result, replacing a damaged element with this component does not require any modifications to the body structure.

Brilliant Black Metallic - LY9B paint finish

The fuel filler flap is finished in Brilliant Black Metallic - LY9B, characteristic of many Audi A4 B8 configurations. The metallic black ensures consistency with the factory paint, which reduces the need for additional paint work or allows it to be simplified to minimal adjustments to match the shade to the rest of the bodywork.

Such a finish allows for:

• maintaining a uniform side body surface without visible color differences,
• aesthetic closure of the fuel filler area after body and paint repairs,
• easier visual inspection of potential damage or scratches in the future.

Functional and assembly characteristics

As an element from the Fuel filler covers and accessories group, this flap is responsible for shielding the fuel filler from external contaminants and closing the body line in the rear part of the vehicle. The design intended for installation in the Audi A4 B8 allows for the use of existing mounting points, which facilitates efficient replacement in workshop or service conditions.

The product is offered in a used condition, which allows for an economical vehicle repair while maintaining the original geometry and character of the finish. For many users, this is a reasonable compromise between costs and maintaining the factory look of the car.

Benefits of using an original fuel filler flap

Using this flap in an Audi A4 B8 brings a number of practical benefits:

• Visual consistency of the body – matched color and shape allow restoring the original appearance of the fuel filler area.
• Compatibility with factory components – maintained cooperation with the flap opening and closing mechanism.
• Reasonable repair cost – a used original element is an attractive alternative to new parts.

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

Fuel system operation and technical knowledge

When replacing elements related to the fuel filler area, it is worth paying attention to the general condition of the fuel system, the tightness of the installation, and the correct venting of the tank. It is good practice to periodically check the components cooperating with the filler to reduce the risk of contaminants entering the fuel.

For users who want to better understand the relationships between the filler, tank, pumps, and injectors, an article describing the construction and diagnostics of the entire system will be helpful – you will find a detailed discussion in the material Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

Conscious choice of a used part

By choosing a used fuel filler flap for an Audi A4 B8, you support the reduction of raw material consumption and extend the life cycle of original components. This is a solution that is both economically and environmentally beneficial, especially in the case of body elements that can be effectively reused.

If you want to learn more about the impact of using used parts on the environment and your household budget, it is worth reading the guide Circular economy in your garage – how choosing used parts from dismantling really supports environmental protection and your wallet?, which discusses the practical aspects of such an approach to vehicle repairs.