Description
Audi A3 8P 3D Rear Quarter Panel Strip Moulding Right O/S Brilliant Black – Y9B is an original body component from the Protective and decorative mouldings group, designed for installation on the right side of the vehicle’s rear section. It provides a visually cohesive finish to the body line while serving as practical protection for the paint surface in the critical area of the rear fender.
Specifications and technical data
- SKU: 8P3853984D-BBL
- Mark: Audi
- Condition: Used
- OEM Part Number: 8P3853984D
- Substitutable numbers: 8P3853984D, 8P3 853 984 D
- Location on the vehicle: Rear, Right
- Color: Brilliant Black Metallic – Y9B
- Category: Body Mouldings & Trims
Purpose and function of the component
The described moulding is dedicated to the rear, right side of the body in the three-door Audi A3 8P generation. Its task is to aesthetically close the edge of the rear fender and provide additional protection for this zone against minor mechanical damage, such as abrasions or stone chips. Thanks to its factory profile, the moulding precisely matches the bodywork contours, which facilitates installation and helps maintain the original geometry of the side line.
Color and paint matching
The component is finished in the factory color Brilliant Black Metallic – Y9B, which allows for maintaining a uniform, consistent body color without the need for additional painting, provided the vehicle has the same paint code. The metallic black blends well with both standard and more elaborate styling packages, emphasizing the characteristic side line of the Audi A3 8P.
Installation characteristics
The rear right fender moulding is designed as a body component mounted in a specific position, which minimizes the risk of mismatch. The properly shaped cross-section and factory mounting points allow for:
- maintaining proper adhesion to the fender surface,
- reducing stress at the point of contact with the bodywork,
- easier replacement of a damaged moulding without interfering with adjacent components.
As a result, the component works well both for post-accident repairs and for local renovations of the side body section.
Condition and use in repairs
As a used part, the moulding is a cost-effective solution for repairs where maintaining the original manufacturer’s specification is key. Its original origin promotes proper fitment with the bodywork and compatibility with factory mounting points, which is important for precise body and paint work. Such components are often used in professional workshops specializing in Audi body repairs, where compliance with factory assembly technology is essential.
Benefits of using an original protective moulding
Using an original side moulding in Brilliant Black Metallic Y9B allows you to:
- maintain a consistent look of the side body section without paint shade differences,
- reduce the time required for fitting and installing the component,
- preserve the factory finish character of the Audi A3 8P 3-door,
- reduce the risk of corrosion in the rear fender zone thanks to additional edge protection.
If you are planning a comprehensive repair or upgrade of the side body zone in your Audi and need other components from the same group, such as covers, overlays, or additional mouldings, check the available parts in the Audi protective and decorative mouldings category.
For users interested in a wider range of vehicle work, including improving visibility and safety during night driving, a guide on selecting and replacing lighting may be helpful – you can find it in the article See more and better – a complete guide to selecting and replacing used LED and Xenon headlights.





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