Audi A6 C8 A6 S6 RS6 4A C Pillar Outer Cover Trim Left N/S 4K9839903

Audi A6 C8 A6 S6 RS6 4A C Pillar Outer Cover Trim Left N/S is an original body component from the Protective and decorative moldings group, designed for installation on the left side of Audi A6 C8, S6, and RS6 series vehicles. This practical solution allows for an aesthetic finish of the C-pillar and protects this body area from daily wear and tear.

Specifications and technical data

• SKU: 4K9839903
• Mark: Audi
• Condition: Used
• OEM Part Number: 4K9839903
• Substitutable numbers: 4K9839903, 4K9 839 903
• Location on the vehicle: Left
• Category: Body Mouldings & Trims

Purpose and function of the C-pillar cover

The C-pillar cover plays an important role in protecting the side of the body, shielding the pillar structure and the edges of adjacent body panels. In Audi A6 C8, S6, and RS6 models, it is responsible for:

• an aesthetic finish of the outer surface of the C-pillar,
• protection against minor mechanical damage and dirt,
• maintaining a consistent stylistic line of the side bodywork.

Thanks to its precise fit for the specific Audi generation, the cover ensures proper adhesion to the body and stable mounting at factory attachment points.

Vehicle fitment and installation

The presented cover has been designed specifically for use on the left side of the vehicle, which guarantees compatibility with the body geometry and window line in the Audi A6 C8, S6, and RS6. As a component from the Protective and decorative moldings group, it is prepared for installation in place of the factory part, without the need for modifying the pillar structure.

This solution facilitates the work of body and paint shops as well as workshops specializing in post-accident repairs, allowing for the efficient replacement of a damaged element while maintaining the vehicle's original appearance.

Product characteristics and advantages

As an Audi brand component, the C-pillar cover maintains factory geometry and mounting methods, which translates into:

• a consistent look with other body elements,
• proper fitment with the window and seals,
• stability during vehicle operation.

The used nature of the part allows for an economical repair while maintaining the original origin of the component. This is a beneficial solution both for post-accident repairs and for replacing worn-out parts.

Application in Audi body repairs

Replacing the C-pillar cover is particularly important after damage to the side of the body, when it is necessary to restore the original geometry and appearance of the vehicle. Using an original cover allows for:

• achieving a uniform side body line,
• reducing the risk of leaks in the area of the pillar and windows,
• maintaining the vehicle's value through the use of components compliant with factory specifications.

This solution is recommended both for professional workshops and users who care about a technically correct and aesthetic repair of their Audi.

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

When planning repairs using aftermarket components, it is also worth learning about good practices for selecting used parts – the article The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors? may be helpful, as it discusses key aspects of choosing used parts in modern cars.