Audi Q5 8R Rear Outer Door Seal Gasket Rubber Trim Strip Right O/S 8R0839478D

Audi Q5 8R Rear Outer Door Seal Gasket Rubber Trim Strip Right O/S is an original body component designed for precise sealing of the door edge. It ensures a tight closure, limits water and noise ingress into the cabin, and helps maintain stable acoustic conditions and thermal comfort inside the vehicle. Thanks to the factory profile and fitment for the specific Audi model, installation is predictable and technically correct, with no modifications required.

Specifications and technical data

• SKU: 8R0839478D
• Mark: Audi
• Condition: Used
• OEM Part Number: 8R0839478D
• Substitutable numbers: 8R0839478D, 8R0 839 478 D
• Location on the vehicle: Rear, Right
• Part type: Window Seal
• Category: Window Seals, Gaskets & Trims

Purpose and function in the Audi Q5 8R body

The presented seal operates in the rear right door area, responsible for the tightness of the contact between the door and the bodywork. Its tasks include:

• limiting the ingress of rainwater and contaminants into the interior,
• reducing wind noise at higher speeds,
• stabilizing the door position relative to the body frame,
• protecting sheet metal edges against accelerated corrosion.

Thanks to the properly shaped rubber and trim profile, this component works with factory mounting points, which promotes the maintenance of proper door geometry and the correct operation of the lock and hinges.

Construction and materials

The seal belongs to the group of body components referred to as Window seals and trim strips, which means it combines sealing and protective functions for the door edge. The flexible working rubber ensures proper pressure against the frame, and the integrated guide strip facilitates correct positioning along the door perimeter.

Such a design solution allows for:

• maintaining uniform pressure along the entire length of the edge,
• reducing the risk of rattling and squeaking while driving,
• better fit to the factory Audi body line.

Original origin and fitment

The component comes from the Audi brand group of parts, which in practice means maintaining factory dimensional and material standards. Compared to random aftermarket replacements, the original seal provides:

• visual consistency with other seals in the vehicle,
• proper adhesion to the window and door panel,
• lower risk of leaks after installation.

The product is offered as a used OEM component, which for many users represents a reasonable compromise between cost and maintaining factory-quality fitment.

Installation and service application

The Audi Q5 8R rear right door seal is intended for service applications in the event of:

• wear or dry rot of the existing rubber,
• mechanical damage to the door edge (e.g., after a collision or scrape),
• the appearance of leaks, seepage, or excessive noise in the rear body area.

With proper installation, maintaining the cleanliness of the contact surface and correct positioning along the door perimeter, you can restore the original acoustic comfort and improve the overall operation of the door in the vehicle.

Benefits of using an original seal

Using a factory seal in the Audi Q5 8R allows you to limit typical problems associated with non-factory replacements, such as inaccurate fitment, the need for trimming, or the risk of rapid wear. By choosing this component, you gain:

• better cabin tightness and noise reduction,
• more predictable installation thanks to fitment for the specific model,
• maintenance of technical consistency with other Audi body components.

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

When selecting body components from the secondary market, it is worth following similar principles as when purchasing mechanical sub-assemblies – origin, condition, and compatibility with the specific vehicle version matter. To better understand how to safely choose used components and what to pay attention to when assessing their suitability, read the article: Fuel dosing problems: what to look for when buying a used injection pump and fuel rails?