Audi A6 C7 Window Seal Rear Door Left N/S Inner Gasket 4G0839479B

Audi A6 C7 Window Seal Rear Door Left N/S Inner Gasket is a precisely fitted body component, responsible for effective water drainage and protection of the rear window edge on the driver's side. The original design from the Protective and decorative moldings group ensures proper adhesion to the bodywork, limits the ingress of contaminants, and supports the correct operation of the window mechanism. This is a practical solution for users and workshops looking to restore factory sealing parameters in the Audi A6 C7.

Specifications and technical data

• SKU: 4G0839479B
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G0839479B
• Substitutable numbers: 4G0839479B, 4G0 839 479 B
• Location on the vehicle: Rear, Left
• Category: Body Mouldings & Trims

Purpose and technical function

The presented window seal is designed for the rear left side of the vehicle, in the door window area. Its task is to mechanically wipe water from the window surface during raising and lowering, as well as to limit the ingress of dust, mud, and small particles into the interior of the door. This reduces the risk of premature wear of the guides, cables, and other components of the window lifting mechanism.

The properly selected geometry of the seal profile stabilizes the window edge, which influences the operating culture of the entire system – the window moves more smoothly, with less noise and without unwanted play. Additionally, this element supports the maintenance of proper acoustic sealing, which translates into acoustic comfort inside the cabin.

Benefits of using the original window seal

Using the original window seal in the Audi A6 C7 allows for maintaining the structural consistency of the body and avoiding problems typical of replacements with an imprecise profile. Key advantages include:

• factory fit to the shape of the window and door on the rear left side,
• stable seating in the mounts, without the need for modifications,
• reduced risk of leaks and moisture inside the door,
• better protection against corrosion of metal elements in the lower window edge zone,
• maintenance of the aesthetic side line of the body.

The element from the Protective and decorative moldings group therefore serves both a functional and visual purpose – a correctly selected seal eliminates gaps that could disturb the appearance of the side of the vehicle.

Component condition and service application

The offered window seal comes from disassembly and is available in a used condition, making it an attractive service solution for workshops and users looking for an economical yet original-compliant part. This type of component is particularly useful for:

• repairs after collisions in the rear part of the body on the driver's side,
• eliminating leaks and seepage in the area of the rear window,
• renovation of the window lifting mechanism,
• restoring the factory look of the door side line.

Thanks to the preservation of the original geometry and mounting points, the installation proceeds in a predictable manner for an experienced mechanic, without the need for fitting or modifying the element.

Application in workshop practice

In service practice, replacing the window seal on the rear left window of the Audi A6 C7 is often performed in conjunction with work on the window lifting mechanism or during body and paint repairs. A properly selected seal:

• limits water ingress into the door interior after car washes or heavy rain,
• reduces cabin noise at higher speeds,
• protects the window edge against scratches resulting from contact with a worn or deformed element,
• supports the maintenance of even pressure of the window against other seals in the door circuit.

For workshops specializing in the Audi brand, the use of original elements of this type is important from the point of view of repair quality and reducing the number of complaints related to leaks or noise in the door area.

Expanding the scope of work within Audi moldings

If you are planning a comprehensive repair or modernization of the side body zone in your Audi and need other elements from the same group, such as covers, overlays, or additional moldings, check the available parts in the Audi protective and decorative moldings category.

When selecting used body elements and seals, it is worth following proven verification procedures and comparing them with the factory condition. If you want to organize the purchasing process and learn practical tips regarding the assessment of part condition, identification by numbers, and cooperation with a workshop, read the guide Safe purchase of used car parts online – a step-by-step guide.