Audi A6 C6 Sedan Rear Window Seal Frame Gasket Rubber Right O/S 4F5839440AB

Audi A6 C6 Sedan Rear Window Seal Frame Gasket Rubber Right O/S is an original body component from the Window seals and trims group, designed for installation on the right side of the rear part of the vehicle. It ensures a tight fit for the window, limits the ingress of water and noise into the interior, and helps maintain the stable position of the window within the door frame.

Specifications and technical data

• SKU: 4F5839440AB
• Mark: Audi
• Condition: Used
• OEM Part Number: 4F5839440AB
• Substitutable numbers: 4F5839440AB, 4F5 839 440 AB
• Location on the vehicle: Rear, Right
• Category: Window Seals, Gaskets & Trims

Purpose and function of the Audi A6 C6 rear window seal

The presented seal is tailored to the Audi A6 C6 generation sedan body and is installed in the rear right section of the vehicle. It is responsible for properly sealing the window perimeter, which is important for both acoustic comfort and protecting the interior from moisture. A properly selected seal reduces the risk of window fogging, air drafts, and unwanted window vibrations while driving.

Construction and technical properties

The component is made of flexible rubber material, adapted to operate in varying weather conditions. The seal's design is profiled to the specific shape of the window frame in the Audi A6 C6, which allows for:

• precise adhesion to the edges of the window and door frame,
• stable guidance of the window in its extreme position,
• reduction of wind noise at higher speeds,
• limitation of water and dirt ingress into the door interior.

Thanks to the factory fit for the specific body model, there is no need for additional trimming or modifying the shape, which facilitates installation and shortens service time.

Benefits of using an original Audi seal

Using the original rear window seal on the right side in the Audi A6 C6 allows for maintaining factory sealing parameters and body component fitment. Compared to aftermarket replacements, the original part provides:

• better compatibility with the door frame and window guides,
• consistent appearance with other seals and trims in the vehicle,
• lower risk of rattles, squeaks, and looseness in the window area,
• stable material performance over a long period of operation.

This is a particularly beneficial solution for post-accident repairs, window replacement, or restoring body tightness after years of use. Window seals and trims have a direct impact on driving comfort, which is why selecting the right component is important for both the user and the quality of the repair.

Vehicle placement and installation tips

The seal is designed for installation in the rear right part of the sedan body, within the side window frame. When replacing, it is recommended to thoroughly clean the contact surface of old seal residue, dirt, and corrosion so that the new component can properly adhere to the surface. Correct seating of the seal in the grooves and guides of the window frame is crucial for maintaining tightness and the smooth operation of the window lifting mechanism.

Due to the specific shape and profile, installation should be carried out in stages, checking the positioning of the seal along the entire perimeter. This helps avoid point stresses and leaks that could occur if the material is pressed incorrectly.

Selection of other components from the Audi seal group

If you are planning a comprehensive repair or upgrade of the side glazing area in your Audi and need other components from the same group, such as door frame seals, window trims, or additional sealing profiles, check the available parts in the Audi window seals and trims category.

For those interested in a broader perspective on selecting used OEM components, upgrade strategies, and the impact of components on vehicle handling, an article comparing turbochargers in sports versions of the Mini may be helpful – you can find it here: Go-Kart Feeling XXL: used N18 turbocharger versus B48 – which one to choose for a Mini Cooper S?.