Audi A8 D4 Fuel Filler Flap Tank Cap Cover Foil Silver Metallic - Z7G 4H0809909B

Visual condition of the part

The product shows signs of use visible in the photos.

Audi A8 D4 Fuel Filler Flap Tank Cap Cover Foil Silver Metallic is an original body component from the Fuel filler flaps and accessories category, designed for the rear section of the vehicle. Thanks to its factory origin, it ensures a consistent paint finish, proper fitment with the fuel filler flap, and maintains the aesthetics characteristic of Audi A8 D4 models.

Specifications and technical data

• SKU: 4H0809909B-FSI
• Mark: Audi
• Condition: Used
• OEM Part Number: 4H0809909B
• Substitutable numbers: 4H0809909B, 4H0 809 909 B
• Location on the vehicle: Rear
• Color: Foil Silver Metallic - Z7G
• Category: Fuel Flaps & Components

Purpose and function of the component

The described fuel filler flap is designed specifically for the rear body zone of the Audi A8 D4, where it is responsible for covering the fuel filler neck and maintaining the continuity of the side body line. As an original Audi component, it retains the correct geometry, which facilitates installation in the factory location and reduces the risk of leaks or rubbing against adjacent panels.

Color and paint matching

The cover is finished in the Foil Silver Metallic – Z7G shade, used as a factory standard in the Audi A8 D4. This makes it possible to maintain a uniform body color without the need for additional painting, or with only minimal correction, depending on the condition of the vehicle's paintwork. The metallic structure of the paint allows for an aesthetic integration of the component into the side line of the car, which is important both visually and for the potential resale value of the vehicle.

Technical characteristics and installation

The Audi A8 D4 fuel filler flap has been prepared as a replacement part within the Fuel filler flaps and accessories category. The design is adapted for installation in the rear part of the body, maintaining factory mounting points. The component comes from a used vehicle, which in practice means it retains the original dimensional specifications and compatibility with the factory flap mechanism, while requiring consideration of standard signs of wear typical for aftermarket parts.

Use in service and body repairs

The fuel filler flap in Foil Silver Metallic Z7G is particularly useful in situations where the side of the body in the fuel filler area has been damaged, e.g., as a result of a parking collision or local corrosion. Using an original component allows for a reduction in the scope of body and paint work, shortening repair time and making it easier to maintain the factory look of the vehicle. This is a practical solution both for workshops specializing in the Audi brand and for users independently sourcing parts to repair their own car.

Integration with the fuel system and service knowledge

When replacing the fuel filler flap, it is worth paying attention to the condition of the entire filler area and the fuel system components located nearby. For those who want to better understand the relationships between the filler, tank, and other components, the article describing the diagnostics and operation of the fuel system will be helpful – Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. It allows you to organize your service knowledge and facilitates the selection of parts by OEM numbers.

Complementary Audi body components

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

For users interested in the conscious use of aftermarket parts and reducing their carbon footprint during body repairs, a valuable addition is the guide on using recycled components – Eco-tuning in practice: how to increase performance while reducing your carbon footprint with recycled parts. It allows you to better plan repairs using used components, such as fuel filler flaps, in an economical and more environmentally friendly way.