Audi A6 C6 Avant Door Gasket Rear Left Right N/O/S Guard Edge Seal 4F9833721F

Audi A6 C6 Avant Door Gasket Rear Left Right N/O/S Guard Edge Seal is an original body component from the Door seals group, designed for installation on the rear edge of the doors on both the left and right sides. It ensures a tight door closure, reduces wind noise, and helps maintain proper interior protection against moisture and dirt.

Specifications and technical data

• SKU: 4F9833721F
• Mark: Audi
• Condition: Used
• OEM Part Number: 4F9833721F
• Substitutable numbers: 4F9833721F, 4F9 833 721 F, 4F9833721C
• Location on the vehicle: Rear, Right, Left
• Category: Door Seals

Purpose and function of the gasket

The presented door edge gasket has been designed specifically for the rear body section of the Audi A6 C6 Avant, intended for both the left and right sides. Its task is to provide a stable seal for the door perimeter, which translates into:

• reduction of wind noise while driving,
• limiting the ingress of water and dirt into the door sill area,
• increased acoustic comfort inside the vehicle,
• protection of the door edge against excessive wear.

Thanks to the factory fitment for the specific body model, the gasket works in harmony with the door and body lines, maintaining proper pressure and even force distribution along the entire length of the edge.

Construction and fitment for Audi A6 C6 Avant

The door edge gasket in this Audi model has been developed as a component that works with the original door frame and pillar construction. The properly shaped profile ensures:

• secure seating on the rear door edge,
• proper adhesion to the body when closed,
• stability after a long period of use.

The solution covering both the left and right sides makes it easier to maintain consistent sealing parameters on both sides of the vehicle, which is important for comprehensive maintenance of the rear cabin area.

Characteristics of the used component

The offered gasket comes from dismantling, which allows for maintaining the original geometry and compatibility with factory mounting points. A used component of this type is often chosen as a reasonable compromise between cost and maintaining compliance with the manufacturer's solutions.

In the case of door gaskets, it is particularly important that the profile is not deformed and that the material structure retains the flexibility required for proper sealing. This is why original aftermarket components are frequently used in body repairs and restoring factory comfort parameters.

Benefits of using an original gasket

Using an original door edge gasket in the Audi A6 C6 Avant allows for maintaining the structural integrity of the body and reducing the risk of problems typical of replacements with inaccurate profiles. Key advantages include:

• factory fitment to the shape of the door and body,
• stable adhesion along the entire length of the edge,
• maintenance of an appropriate level of acoustic insulation,
• reduction of window fogging and interior dampness in the door sill area.

For users who pay attention to driving comfort and bodywork quality, a properly selected gasket is an essential maintenance element.

Related components and further door area upgrades

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

For drivers interested in a broader approach to vehicle maintenance and repair, guide materials may also be useful. In the context of assessing the cost-effectiveness of using aftermarket components, it is worth reading the article When is it worth replacing an alternator with a used one: a practical guide for drivers, which discusses the practical aspects of selecting used parts in daily vehicle operation.