Audi A6 C7 Rear Door Gasket Rubber Seal Sealing Lower Left N/S 4G0839717C

Audi A6 C7 Rear Door Gasket Rubber Seal Sealing Lower Left N/S is an original component from the Door seals group, designed for installation in the rear left section of the vehicle body. The precisely formed rubber profile helps to limit the ingress of water, dirt, and noise into the interior, improving acoustic comfort and the durability of the upholstery. It is a practical solution for Audi users who want to restore the factory seal after door replacement, body repairs, or due to natural wear and tear of the component.

Specifications and technical data

• SKU: 4G0839717C
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G0839717C
• Substitutable numbers: 4G0839717C, 4G0 839 717 C
• Location on the vehicle: Rear, Left
• Part type: Door Seal
• Category: Door Seals

Purpose and function of the seal

The lower seal of the rear left door in the Audi A6 C7 is responsible for a tight connection between the door edge and the door sill and adjacent body elements. Thanks to a properly selected rubber compound and a profile matched to the door structure, this component:

• limits the ingress of water and mud into the area of the door sills and inner door edges,
• reduces the risk of corrosion in the lower part of the door panel,
• supports the maintenance of a stable temperature inside the vehicle,
• reduces wind noise and road noise in the rear part of the cabin.

The placement on the vehicle in the rear left part of the body allows for precise fitting to the specific door, without the need for modifications or adjusting universal replacements.

Benefits of using an original Audi seal

Choosing an original Audi door rubber translates into stable performance over a long period of use. Factory shape matching minimizes the risk of leaks, rattling, or rubbing against body elements. A used but functional component allows for maintaining consistency with the body structure, which is particularly important after accident repairs or the replacement of complete doors.

Using a dedicated seal in the rear left zone of the vehicle also helps to maintain even door closing and proper operation of locks and hinges, as the rubber does not provide excessive resistance and works in harmony with the factory body geometry.

Selection and installation in the rear left body zone

The element has been designed with a specific location on the vehicle in mind, which facilitates the identification of the correct side and reduces the risk of errors during installation. In practice, this means that:

• the seal profile corresponds to the shape of the lower edge of the rear left door,
• the routing and mounting points are consistent with the factory sockets in the body,
• installation can be carried out without specialized modifications, while adhering to basic service procedures.

To maintain proper sealing, it is recommended to thoroughly clean the contact surface and check the condition of the door sills and door edges before installing the seal.

Component condition and service application

The seal is in a used condition, which makes it a reasonable choice for maintenance repairs when functionality and compatibility with the vehicle's design are the priority. This type of component will work well both when replacing a single seal after mechanical damage and during the phased renovation of the entire door perimeter in an Audi A6 C7.

In practice, using a used seal allows for restoring proper door fitment, limiting air drafts, and improving the acoustic comfort of passengers sitting in the back, without the need to invest in a complete set of new parts.

Expanding the scope of service work

If you are planning a comprehensive repair or upgrade of the door zone in your Audi and need other elements from the same group, such as lower rubber sections, side seal sections, or upper contact sections, check the available parts in the Audi door seals category.

For broader service work, it is also worth ensuring the efficiency of systems responsible for driving safety. When selecting used brake system components, the following guide will be helpful: Second-hand brake system: how to safely choose discs, calipers, and ABS?.