Audi A5 F5 Rear Door Inner Window Weather Strip Seal Aperture Left N/S 8W8839479

Audi A5 F5 Rear Door Inner Window Weather Strip Seal Aperture Left N/S is a precisely fitted body component, designed specifically for the rear left door window of the Audi A5 F5 generation. The original design from the Window seals and trims group ensures proper window guidance, noise reduction, and protection against moisture. Thanks to the factory profile, the seal allows for restoring the correct operation of the window mechanism and maintaining cabin tightness.

Specifications and technical data

• SKU: 8W8839479
• Mark: Audi
• Condition: Used
• OEM Part Number: 8W8839479
• Substitutable numbers: 8W8839479, 8W8 839 479
• Location on the vehicle: Rear, Left
• Category: Window Seals, Gaskets & Trims

Purpose and fitment for Audi A5 F5

The presented seal is dedicated to the rear left door area of the Audi A5 F5, meaning its geometry, cross-section, and length are adapted to the factory window aperture. The component works in direct contact with the glass, stabilizing its movement in the guides and supporting proper door closing. Using an original seal reduces the risk of leaks, rattles, and unwanted play, which often occur with universal profile replacements.

Sealing and acoustic function

The door window seal performs several key tasks in the bodywork:

• creates a barrier for water, moisture, and contaminants entering the door interior and cabin,
• stabilizes the window during raising and lowering, reducing vibrations,
• reduces wind noise at higher speeds, improving acoustic comfort,
• supports maintaining proper window pressure against the door frame, which affects the tightness of the entire perimeter.

By maintaining the original geometry, the seal helps preserve the consistency of the body lines and even window adhesion, which is important for both driving comfort and protecting the vehicle's interior.

Characteristics of the used component

The offered seal is a used component, sourced from dismantling, which allows for maintaining the original manufacturer's specification while optimizing repair costs. Such components are particularly valued in bodywork service, where factory fitment and compatibility with other door elements are essential. Choosing an original, used seal is often more beneficial than installing a low-quality replacement with an uncertain profile.

Benefits of using an original window seal

Using a seal dedicated to the Audi A5 F5 for the rear left door allows you to:

• restore proper window tightness after a collision, body repair, or window replacement,
• reduce wind noise and minor rattles coming from the door area,
• protect the door interior from excessive moisture, which promotes a longer service life for window lifting mechanisms,
• maintain a consistent, factory finish standard for the side of the body.

For users who care about the technical condition of the vehicle and the aesthetics of the side body line, the Audi A5 F5 Rear Door Inner Window Weather Strip Seal Aperture Left N/S is a practical service solution.

Expanding service within Audi windows and trims

If you are planning a comprehensive repair or upgrade of the side window area and adjacent trims in your Audi and need other elements from the same group, such as additional seals, trim strips, or window guides, check out the available parts in the Audi window seals and trims category.

Selection of original Audi components and technical knowledge

When selecting body components such as window seals, it is worth using knowledge about original Audi components and how to identify them by manufacturer markings. For those interested in a broader technical context, including the selection of used OEM parts by markings and the specifics of solutions used in Audi power units, the following article may be helpful: The five-cylinder Audi engine – a legend from Quattro to RS3 and how to maintain it with original Audi parts.