Audi S3 8Y Rear Window Weatherstrip Trim Aluminium Right O/S 8Y0839475B

The Audi S3 8Y rear left window exterior trim in high gloss is a precise body component responsible for the sealing and aesthetic finishing of the rear left window edge. Thanks to its factory fit for the 8Y generation and high gloss finish, the part harmoniously integrates with the car's body line and enhances the visual cohesion of the vehicle's side area. This solution is designed for users who expect original geometry and solid mounting while maintaining the stock appearance of the Audi S3.

Specifications and technical data

• SKU: 8Y0839475B
• Mark: Audi
• Condition: Used
• OEM Part Number: 8Y0839475B
• Substitutable numbers: 8Y0839475B, 8Y0 839 475 B
• Location on the vehicle: Rear, Right
• Part type: Window Trim
• Category: Window Seals, Gaskets & Trims

Purpose and Function of the Component

The described trim belongs to the Window Seals and Trim category and is designed for installation on the rear left side of the body. It guides the window edge and forms a barrier that prevents water, dirt, and air drafts from entering the door interior. A correctly fitted trim helps maintain the stable position of the window in its guide and reduces unwanted noises from the lifting mechanism.

Construction and Fit for Audi S3 8Y

The exterior trim in high gloss finish has been developed specifically for the styling of the Audi S3 8Y generation, ensuring correct bending radii, length, and profile for adhesion to the door edge. The design intended for the rear left side of the vehicle allows for installation in factory mounting points, without the need for modifications to the body panels or the window. This precise fit minimizes the risk of leaks and reduces stress around the window edge.

Benefits of Using an Original Trim

Using an original sealing trim in the rear left body area of an Audi offers a range of practical benefits:

• maintaining a consistent styling line with other high gloss trim elements,
• stable window guidance in the rear left window area,
• reducing air drafts and potential driving noise,
• better protection of door edges against dirt and moisture.

This component allows for a controlled restoration of the original appearance of the vehicle's side body after a collision, window removal, or natural wear of the original trim.

Characteristics of the Used Part

The offered trim is a used part, which means it comes from disassembly and may show signs of wear typical for body components. However, it retains its functionality for mounting and serves its sealing and finishing role. For many users, this represents a reasonable compromise between cost and maintaining the original manufacturer's specifications.

Complementary Audi Window Seals and Trim

If you are planning a comprehensive repair or upgrade of the side window area in your Audi and need other parts from the same category, such as additional window trims, guide seals, or door edge finishes, check the available parts in the Audi Window Seals and Trim category.

Technical Support and Part Selection

When selecting body components, including window trims and seals, it is advisable to pay attention to compatibility with the specific body version and vehicle year to avoid installation and fitment issues. If you have any doubts regarding compatibility or the replacement procedure, the advisory materials on working with used components may be helpful. You can find more practical tips in the article Used Automotive Electronics Onboard – Why Choose Second-Hand ECUs and Sensors?, which discusses, among other things, the principles of safely selecting parts by manufacturer markings and their correct installation.