Audi A6 C7 Rear Door Gasket Rubber Seal Lower Right O/S Outer 4G0839718A

Audi A6 C7 Rear Door Gasket Rubber Seal Lower Right O/S Outer is an original body component from the Window seals and moldings group, designed for precise installation in the rear side area of the vehicle body. It ensures a tight seal for the door edge and provides stable support for the door panel, which translates into reduced noise, better protection against moisture, and the maintenance of proper door fitment geometry.

Specifications and technical data

• SKU: 4G0839718A
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G0839718A
• Substitutable numbers: 4G0839718A, 4G0 839 718 A, 4G0839718, 4G0 839 718
• Location on the vehicle: Rear, Right
• Category: Window Seals, Gaskets & Trims

Purpose and technical function

The presented seal is an external component for the lower door edge, operating in the rear section of the body on the right side of the vehicle. Its purpose is to:

• seal the contact point between the door, the sill, and the side panel,
• limit the ingress of water, mud, and contaminants into the door structure,
• reduce wind noise while driving,
• stabilize the door edge relative to the body.

Thanks to its factory geometry and fitment for the specific model generation, the seal works in harmony with the body line, maintaining proper adhesion and an aesthetic appearance of the door edge.

Original origin and fitment

As an Audi brand component, the seal has been designed for the specific door construction of the A6 C7 model. This means:

• preservation of factory mounting and routing points,
• compatibility with original door linings and panels,
• visual consistency with other body moldings and seals.

Its original origin translates into predictable material behavior during operation and proper interaction with other sealing elements in this part of the bodywork.

Condition of the component and service application

The seal is offered in used condition, making it a practical service solution for post-accident repairs, replacing corroded or deformed moldings, and restoring factory door tightness. This type of component is particularly useful when:

• the original seal has been mechanically damaged,
• it is necessary to restore proper door fitment after bodywork repairs,
• there are leaks, increased noise, or water streaks in the lower part of the door.

Selecting the correct component for the specific mounting location in the vehicle allows for reduced service time and avoids issues with fitting aftermarket parts of uncertain geometry.

Benefits of using an original seal

Using an original Audi A6 C7 rear door lower outer seal supports the maintenance of proper body operating parameters. Key advantages include:

• stable sealing of the lower door edge under daily operating conditions,
• reduced risk of corrosion in the area of the sill and the lower part of the panel,
• maintenance of the factory door-to-body fitment line,
• consistency with other sealing elements in the vehicle.

For workshops and private users, this means a predictable repair result and the ability to maintain a finish standard consistent with the manufacturer's specifications.

If you are planning a comprehensive repair or upgrade of the door sealing zone in your Audi and need other elements from the same group, such as window moldings, lower guide rails, or additional sealing profiles, check the available parts in the Audi window seals and moldings category.

To compare the approach of premium manufacturers to original dismantled components and service cost optimization, it is worth reading the article about used original Mercedes parts, which shows how to consciously use second-hand components while maintaining high repair quality.