Audi A3 8V Door Pillar Trim Moulding Rear Right O/S 8V4839902

Audi A3 8V Door Pillar Trim Moulding Rear Right O/S is an original Audi body component designed for installation on the rear right side of the vehicle. It provides an aesthetic finish to the door edge and pillar while protecting the body structure against mechanical damage and external factors. Thanks to its factory origin, it is precisely matched to the body geometry, which facilitates installation and helps maintain a consistent vehicle appearance.

Specifications and technical data

• SKU: 8V4839902
• Mark: Audi
• Condition: Used
• OEM Part Number: 8V4839902
• Substitutable numbers: 8V4839902, 8V4 839 902
• Location on the vehicle: Rear, Right
• Category: Other Interior Parts & Accessories

Purpose and function in the Audi A3 8V body

The presented trim moulding operates in the area of the rear right door pillar, where it is responsible for covering the edges of the sheet metal and seals, as well as streamlining the side line of the body. Proper fitment of this component is important both for protecting the body structure and for limiting the ingress of dirt and moisture around the pillar. Using an original trim allows you to maintain the factory finish character and avoid issues with poor fitment.

Construction and fitment of the component

The moulding has been designed specifically for the A3 8V generation, taking into account the shape of the rear body section and the door profile. The properly contoured working surface ensures stable adhesion to the pillar and door, while the correctly positioned mounting points allow for installation in factory locations without the need for modifications. As a result, the component works well with other side body zone elements, such as seals, upholstery, or interior linings.

Application in repairs and restoration

The door pillar trim moulding is particularly useful for post-accident repairs, replacing corroded body sections, or restoring the side of the body. Replacing a worn or damaged trim with an original component allows you to:

• restore the correct side line of the vehicle,
• limit the risk of further corrosion in the pillar area,
• maintain visual consistency with other body elements,
• maintain proper adhesion of door seals.

Thanks to its factory origin, the moulding fits well into the existing body structure, which facilitates bodywork and painting tasks and shortens installation time.

Performance characteristics and installation

The element is intended for installation on the rear right side of the vehicle, which eliminates the risk of error when selecting the side. The appropriate geometry and compatibility with factory mounting points ensure that the installation proceeds in a predictable manner and does not require fitting universal replacements. Proper seating of the moulding contributes to:

• stability of the mounting during operation,
• reduction of unwanted vibrations and rattles in the door area,
• maintaining even gaps between the door and the body.

Such properties are particularly important for maintaining acoustic comfort and the durability of connections during daily use.

Condition and benefits of choosing an original part

The product comes from a group of used parts, which allows for an economical repair while maintaining the manufacturer's original specifications. Choosing a factory trim moulding instead of random replacements promotes the structural consistency of the body and facilitates potential future service work. For many users, it is also important that using original body components helps maintain the vehicle's value on the secondary market.

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

To better understand the structural differences between the sports RS versions and standard variants and to consciously select body and chassis components, it is worth reading the article Audi RS vs other models – what is hidden under the hood and chassis?, which discusses key technical solutions used in the Audi range.