Audi RS4 B8 Rear Window Door Seal Strip Trim Cover Chrome Right O/S 8K0853764J

Audi RS4 B8 Rear Window Door Seal Strip Trim Cover Chrome Right O/S is an original body component from the Window seals and trim strips group, designed for the rear right door area in Audi models. The precisely matched geometry and factory design ensure stable window operation, effective water drainage, and reduced wind noise. This is a practical solution for users who want to maintain the technical and visual consistency of the side bodywork.

Specifications and technical data

• SKU: 8K0853764J
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0853764J
• Substitutable numbers: 8K0853764J, 8K0 853 764 J
• Location on the vehicle: Rear, Right
• Part type: Window Trim
• Category: Window Seals, Gaskets & Trims

Purpose and function of the component

The described seal strip operates in the rear right part of the body, in the immediate vicinity of the door window. Its tasks include:

• mechanically wiping water and contaminants from the window surface during its movement,
• limiting moisture ingress into the door interior,
• stabilizing the window within the guide rail,
• reducing vibrations and unwanted noises while driving.

By maintaining the factory sealing profile, the strip helps maintain proper airtightness and acoustic comfort inside the vehicle.

Benefits of using an original Audi strip

Using an original Audi component in the rear right door area allows for maintaining the structural integrity of the entire window system. Factory-matched shape and length translate into correct operation of the window lifting mechanism and uniform pressure against the glass surface. This is particularly important in high-performance cars such as the RS4 B8, where the precision of body component fitment affects driving comfort and limits noise at higher speeds.

An item from this group is also a beneficial choice for post-accident repairs or replacing worn seals when the goal is to maintain the original side line and correct window operation without additional adjustments.

Performance characteristics and installation

The seal strip is designed for installation in the rear right part of the body, in the location of the factory door window seal. The design provided by the vehicle manufacturer allows for installation at existing mounting points, without the need for modifying the door panel. Replication of the original geometry facilitates correct positioning relative to the window edge and other trim elements.

The product comes from dismantling, which in practice means it is a part with parameters consistent with factory specifications, intended for further use after proper installation. This is a solution often chosen for conscious vehicle maintenance, where both technical compliance and rational repair costs are important.

Application in service and upgrades

Replacing the seal strip is recommended in situations where leaks, excessive window fogging, increased noise from the door side, or visible wear of the seal edge occur. In the case of vehicles after bodywork repairs, using an original component in the rear right part of the body helps restore the correct contact line between the window and the seal and reduce the risk of re-leaking.

For users interested in broader retrofitting or upgrading VAG group vehicles, it is worth considering the use of used body and equipment elements from higher versions. More information about this approach can be found in the article Retrofitting in VAG and BMW group cars – how to wisely use used equipment elements.

Expanding the scope of service work

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