Audi A4 B8 Front Door Window Weatherstrip Seal Trim Left N/S Black 8K0853763L

Visual condition of the part

The product shows signs of use visible in the photos.

Audi A4 B8 Front Door Window Weatherstrip Seal Trim Left N/S Black is an original body component designed for installation on the driver's side. It ensures stable window guidance, limits the ingress of water and noise into the cabin, and helps maintain the vehicle's proper aerodynamics. Thanks to its factory-spec fitment, it serves as a practical solution for door repairs or replacing worn-out sealing components.

Specifications and technical data

• SKU: 8K0853763L
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0853763L
• Substitutable numbers: 8K0853763L, 8K0 853 763 L
• Location on the vehicle: Front, Left
• Part type: Window Trim
• Category: Window Seals, Gaskets & Trims

Purpose and function in the vehicle

The presented trim with seal is a component from the Window seals and trims category, designed for installation on the front left door of an Audi. It is responsible for:

• sealing the contact point between the window and the door frame,
• stable window guidance during raising and lowering,
• reducing wind noise and vibrations,
• protecting the window edge and paintwork from minor damage.

Thanks to its precise profile and fitment to the specific body area, this component helps maintain acoustic comfort and the proper operation of the window lifting mechanism.

Construction and fitment for Audi A4 B8

The seal with trim has been designed specifically for the geometry of the front left door in the B8 generation Audi A4. The appropriate shape and rigidity of the trim facilitate installation at factory mounting points, and the integrated sealing part creates a cohesive, aesthetic outline of the upper door edge. This solution minimizes the risk of leaks resulting from the poor fitment of universal aftermarket replacements.

Characteristics of the used component

The offered component is a used part, sourced from vehicle dismantling, which allows for maintaining original OEM fitment while reducing repair costs. Such components are particularly valued in bodywork service, where shape consistency, proper adhesion to the glass, and compatibility with factory door mounts are essential.

Benefits of using an original window seal

Using a factory seal with trim in an Audi A4 B8 allows you to:

• maintain door tightness against water, dust, and air,
• reduce cabin noise at higher speeds,
• preserve the correct operation of the window mechanism without jamming or excessive resistance,
• maintain a consistent appearance of the door edge with other body elements.

For users who want to service their car economically while maintaining parameters close to factory standards, a used original trim with seal is a reasonable compromise between cost and functionality.

Support in selection and additional information

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 guide rails, additional seals, or finishing profiles near the windows, check out the available parts in the Audi window seals and trims category.

To better plan your service budget and make an informed decision on when it is worth choosing used OEM parts, you can read our guide: Rising repair costs and the boom in used parts – how to save on car service?.