Audi A4 B7 Door Edge Seal Gasket Rubber Rear Right O/S 8E0839912M

Audi A4 B7 Door Edge Seal Gasket Rubber Rear Right O/S is a precisely fitted component from the Door seals category, designed for installation in the rear right section of the vehicle body. It ensures a tight door closure, limits the ingress of water, dust, and noise into the cabin, and helps maintain stable acoustic and thermal conditions inside the vehicle.

Specifications and technical data

• SKU: 8E0839912M
• Mark: Audi
• Condition: Used
• OEM Part Number: 8E0839912M
• Substitutable numbers: 8E0839912M, 8E0 839 912 M
• Location on the vehicle: Rear, Right
• Part type: Door Seal
• Category: Door Seals

Purpose and function of the seal

The described door edge seal has been designed specifically for the rear right part of the Audi A4 B7 generation body. Its task is to create a continuous barrier between the door edge and the bodywork, which translates into:

• reduction of wind noise when driving at higher speeds,
• limiting the ingress of moisture and dirt into the interior,
• stabilization of the lock and hinge operation thanks to the cushioning of the door closing,
• protection of the paint on the edges against excessive wear.

Thanks to the correct profile and fit for the specific mounting location, the seal supports the maintenance of factory acoustic comfort and improves the overall operation of the doors.

Construction and fit for Audi A4 B7

The rear right door edge seal is a component molded to the specific geometry of the Audi body, which ensures proper adhesion along the entire length of the edge. The design provides for:

• a profile matched to the contour of the rear passenger-side door,
• the possibility of installation in the original mounting points provided by the manufacturer,
• maintenance of appropriate flexibility, facilitating seating on the edge.

Such a solution allows for installation without the need for bodywork modifications or interference with the door structure, which is important both from the point of view of durability and the subsequent tightness of the system.

Characteristics of the used component

The presented seal is a used component, sourced from dismantling. This means that it retains the original geometry and mounting method provided by the vehicle manufacturer. In practice, this translates into:

• factory fit to the door edge and the adjacent part of the bodywork,
• consistency with other sealing elements in the vehicle,
• the possibility of restoring the original sealing parameters after correct installation.

For many Audi A4 B7 users, this is a reasonable solution when replacing a locally damaged or worn seal, allowing for the restoration of proper closing and reducing unwanted noises from the door area.

Benefits of a properly selected door seal

A properly selected rear right door edge seal affects several key aspects of vehicle operation:

• Acoustic comfort – reduction of whistling and wind noise, especially from the rear part of the body.
• Interior protection – reducing the risk of moisture on upholstery, door sills, and the lower parts of door panels.
• Door operation stability – cushioning when closing, which can reduce unwanted rattling and play.
• Aesthetics and durability – protecting the paint edge against excessive metal-to-metal contact when closing.

Replacing a worn or damaged seal with a functional component allows you to restore the factory feel of using the doors, which is particularly noticeable in daily car use.

Related components and additional information

If you are planning a comprehensive repair or upgrade of the door area in your Audi and need other components from the same group, such as perimeter seals, pillar seals, or additional edge profiles, check the available parts in the Audi door seals category.

For drivers interested in a broader approach to car maintenance and the use of parts from dismantling in the area of electronics and comfort systems, an article describing practical examples of repairing BMW modules and multimedia systems may be helpful – you can find it here: how to take care of iDrive systems and electronic modules in BMW using parts from dismantling.