Audi A3 Rear Door Outer Window Seal Trim Strip Right O/S Aluminium 8Y0839476B

The Right Rear Window Seal for Audi S3 8Y is a precisely fitted body component responsible for the sealing and stable guidance of the window in the rear right door. The original Audi design ensures proper adhesion to the window edge, reducing wind noise, water ingress, and dirt, which contributes to acoustic comfort and the aesthetics of the vehicle's side profile.

Specifications and technical data

• SKU: 8Y0839476B
• Mark: Audi
• Condition: Used
• OEM Part Number: 8Y0839476B
• Substitutable numbers: 8Y0839476B, 8Y0 839 476 B
• Location on the vehicle: Rear, Right
• Part type: Window Trim
• Category: Window Seals, Gaskets & Trims

Purpose and Fitment for Audi S3 8Y

The presented sealing strip is designed for installation in the rear right door of the Audi S3, generation 8Y. This element functions as an external window guide seal, stabilizing its movement within the channel and protecting the glass edge from mechanical damage. Thanks to its factory geometry, the rubber profile accurately replicates the door frame's shape, facilitating installation and ensuring factory-level fitment with the body panels.

Construction and Technical Function

The right rear window external seal combines a flexible rubber profile with a finishing strip, creating a sealed and stable support for the window. The construction is designed to:

• prevent water and dirt from entering the door interior,
• minimize air noise at higher speeds,
• ensure smooth window operation during raising and lowering,
• protect the glass edge from abrasions and chips.

The appropriately selected hardness of the rubber compound allows for maintaining a seal while simultaneously compensating for minor door deformations, which is crucial for long-term operation under road conditions.

Benefits of Using an Original Seal

Using the original right rear window external seal on an Audi S3 8Y helps maintain the door's structural integrity and preserve factory acoustic and functional parameters. Compared to aftermarket alternatives, the OEM part ensures:

• precise fit to the door frame shape without modifications,
• correct interaction with the window lifting mechanism,
• an aesthetically pleasing window line consistent with the body design,
• stable seating on the door edge, reducing the risk of deformation.

For users who care about the visual and functional condition of their side windows, replacing a worn or damaged strip with an original Audi part is a technically safe and predictable solution in terms of the final result.

Characteristics of a Used Part

The offered right rear window external seal is a used part, meaning it has been removed from a vehicle. Such components are often chosen for accident repairs and targeted door renovations when maintaining the original specification within a reasonable budget is a priority. A used OEM part allows for maintaining material and structural consistency with other seals in the vehicle, which is important for the uniform operation of the entire window system.

Complementary Seals for Audi Windows and Trim

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

Technical Knowledge and User Comfort

When working on interior ergonomics and driving comfort, it is also worth paying attention to elements that influence driving position and vehicle control precision. If you are interested in a broader context of driver zone modernization, including replacing the steering wheel with a more sporty model, check out the article Personalization and Ergonomics – When is it Worth Replacing the Steering Wheel with a Premium Model?, which discusses the practical aspects of such modifications.