Audi A4 B7 Rear Door Outer Sill Weatherstrip Seal Gasket Left N/S 8E0853763G

Audi A4 B7 Rear Door Outer Sill Weatherstrip Seal Gasket Left N/S is an original body component from the Window seals and moldings group, designed for installation in the rear left sill area. Precise fitment to the Audi structure ensures a tight seal, stable door edge guidance, and an aesthetic finish for the lower part of the bodywork.

Specifications and technical data

• SKU: 8E0853763G
• Mark: Audi
• Condition: Used
• OEM Part Number: 8E0853763G
• Substitutable numbers: 8E0853763G, 8E0 853 763 G
• Location on the vehicle: Rear, Left
• Category: Window Seals, Gaskets & Trims

Purpose and function in the Audi bodywork

The rear left sill seal is responsible for properly sealing the contact point between the door and the sill, as well as protecting the body edge against dirt and moisture. This component stabilizes the door line, limits the ingress of water and fine debris into the interior, and supports cabin acoustics by reducing noise in the sill area.

Thanks to the factory profile and correct geometry, the molding works with the original mounting points, which facilitates installation and helps maintain a consistent look for the side of the vehicle.

Construction and fitment for the rear left zone

The element has been designed specifically for the rear left part of the vehicle, taking into account the characteristic shape of the sill and door contours in the Audi A4 B7. The properly profiled working edge ensures even pressure along the entire length, while the integrated outer molding streamlines the body line and improves the visual continuity of the side profile.

Such fitment translates into:

• secure seating in factory mounting points,
• proper interaction with door seals,
• consistent appearance with other body moldings and seals.

Benefits of using the original sill molding

Using the original rear left sill seal in an Audi A4 B7 allows you to restore factory protection and aesthetic parameters in a critical area of the bodywork. Precise fitment reduces the risk of leaks, and the correct shape of the molding facilitates proper door alignment relative to the sill. This is particularly important during post-collision repairs or when replacing corroded components.

A used OEM part is a good choice for economical repairs when you want to maintain original geometry and compatibility with other body components, without the need to adapt aftermarket replacements.

Condition, origin, and service application

The part comes from dismantling and is offered as a used original Audi component. This type of component is suitable both for local repair of a damaged sill and for broader renovation of the side bodywork, where maintaining a consistent line of seals and moldings is crucial.

Before installation, it is recommended to perform a standard inspection of the working surfaces and prepare the sill area (cleaning, degreasing, and if necessary, adjusting the mounts) to fully utilize the sealing and protective properties of the molding.

Expanding the scope of repair and circular economy

If you are planning a comprehensive repair or upgrade of the sill area in your Audi and need other elements from the same group, such as covers, overlays, or additional moldings, check out the available parts in the Audi window seals and moldings category.

Choosing parts from dismantling aligns with the principles of a circular economy – reusing functional components limits waste and reduces the demand for the production of new parts. If you want to better understand how such decisions impact the environment and service costs, take a look at the article Circular economy in your garage – how choosing used parts from dismantling really supports environmental protection and your wallet?.