Audi A6 C7 Rear Door B Pillar Column Strip Trim Left N/S Outer 4G0839901

The Audi A6 C7 Rear Left Door B-Pillar Cover Trim Strip is an original body part from the Protective and Decorative Mouldings group, designed for the rear left side of the vehicle. It provides an aesthetic finish to the B-pillar and additional protection for the door edge against minor mechanical damage. This is a practical solution for users who want to maintain a consistent look of the vehicle's side body and preserve the factory styling line of Audi.

Specifications and technical data

• SKU: 4G0839901
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G0839901
• Substitutable numbers: 4G0839901, 4G0 839 901
• Location on the vehicle: Rear, Left
• Category: Body Mouldings & Trims

Purpose and Function of the Component

The B-pillar cover for the rear left door pair in the Audi A6 C7 is responsible for shielding the pillar's structure and leveling the surface between the window and the door edge. This reduces dirt accumulation in the gaps and helps maintain a stable seal of the weatherstripping. The component operates in a critical body area, so its correct installation affects the comfort of door use and the visual consistency of the entire vehicle's side line.

Construction and Fit for Audi A6 C7

The B-pillar cover has been specifically designed for the body geometry of the Audi A6 C7 generation, taking into account the characteristic profile of the rear left part of the car body. The shape of the trim strip is matched to the factory mounting points, which facilitates installation and allows for a flush line with other door trim elements. The applied construction ensures stable adhesion to the pillar surface, minimizing the risk of looseness and unwanted vibrations during driving.

Benefits of Using an Original Cover

Using the original B-pillar cover in the Audi A6 C7 allows for visual consistency with other elements of the vehicle's side body. Proper dimensional fit reduces the need for additional modifications, and compliance with the factory styling line makes it easier to restore the vehicle's original appearance after bodywork and painting repairs. This is particularly important for precise alignment of gaps between the doors and the pillar, and for ensuring even adhesion of the weatherstripping.

Condition and Application in Body Repairs

The used element is suitable for both replacing a damaged trim strip after a collision and for phased renovation of the vehicle's side body. It can be used in the repair process after bodywork intervention, when it is necessary to re-align the doors with the B-pillar line. Thanks to the preservation of its original geometry, it is a practical solution for workshops specializing in the Audi brand and for users who are independently assembling trim components.

Expanding the Modernization of the Audi Side Area

If you are planning a comprehensive repair or modernization of the side area of your Audi and need other parts from the same group, such as covers, overlays, or additional mouldings, check the available parts in the Audi Protective and Decorative Mouldings category.

For users interested in deepening their knowledge about selecting used parts and verifying compatibility with a specific engine unit or model version, the Global Parts technical guide may be helpful – a detailed discussion can be found in the article BMW Code B58 – Pre-Purchase Checklist for Turbocharger and Intercooler, which shows how to approach checking OEM numbers and component matching step by step.