Audi A6 C8 Saloon Rear Door Seal Left Right N/O/S Inner Gasket 4K5833721

Audi A6 C8 Saloon Rear Door Seal Left Right N/O/S Inner Gasket is a precision body component designed for installation on either the left or right side. The original Audi design ensures a precise fit to the door shape, effective sealing, and a reduction in cabin noise and vibration, which translates into a more comfortable vehicle experience.

Specifications and technical data

• SKU: 4K5833721
• Mark: Audi
• Condition: Used
• OEM Part Number: 4K5833721
• Substitutable numbers: 4K5833721, 4K5 833 721
• Location on the vehicle: Rear, Right, Left
• Category: Door Seals

Purpose and function of the Audi A6 C8 rear door seal

The presented seal is part of the Door seals category and has been designed specifically for the Audi A6 C8 generation saloon model. Mounted on the inner perimeter of the rear left or right door, it is responsible for:

• limiting the ingress of water and moisture into the interior,
• reducing wind noise at higher speeds,
• dampening vibrations transferred from the body to the door,
• stable guidance of the door panel during closing.

Thanks to the factory profile, the seal works with the original mounting points, which helps maintain the seal integrity and proper geometry of the rear door, on both the right and left sides of the vehicle.

Benefits of using an original Audi seal

Using an original Audi component allows you to maintain the structural integrity of the body and the acoustic parameters intended by the manufacturer. In practice, this means:

• secure fit with the door frame – no need for modifications or adjustments to the cross-section,
• preservation of the factory contact line between the door and the bodywork,
• lower risk of rattles, squeaks, and leaks in the rear cabin area,
• more stable door closing, which is particularly important during frequent use.

The Audi A6 C8 Saloon Rear Door Seal Left Right N/O/S Inner Gasket is a solution that helps maintain acoustic comfort and interior protection at a level close to factory standards, without the compromises typical of universal profile replacements.

Installation characteristics and application

The component is intended for installation on the rear axle of the vehicle, with the possibility of use on both the driver and passenger sides. This range of placement on the vehicle facilitates:

• replacement of a single seal in case of local wear,
• symmetrical replacement of both rear seals as part of a single service operation,
• maintaining a consistent level of sealing on both sides of the body.

The original profile and geometry facilitate installation in workshop conditions as well as in well-prepared garage conditions, while adhering to basic principles of removing and installing door trim components.

Component condition and service application

The offered seal is a used component, which makes it an attractive solution for servicing vehicles where maintaining original components while optimizing costs is key. It is particularly useful in situations where:

• the existing seal has suffered mechanical damage (cuts, tears),
• there are leaks in the rear part of the cabin,
• the vehicle has undergone body and paint repairs in the rear door area.

Thanks to the preservation of the original Audi design, it is possible to restore the correct operating conditions of the door without interfering with the factory body design.

Expanding service in the Audi door area

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

For drivers interested in a broader look at elements affecting the precision of handling and vehicle comfort, an article describing the construction and operation of the steering system, symptoms of wear, and examples of parts used in repairs may be helpful – you can find it here: Steering system and power steering – how it works and what goes wrong?.