Volkswagen Passat B6 Door Window Frame Trim Panel Rear Left N/S 3C0839901B

Visual condition of the part

The product shows signs of use visible in the photos. Volkswagen Passat B6 Door Window Frame Trim Panel Rear Left N/S is an original body component from the Protective and decorative trims group, designed for installation in the rear left door area. Precise fitment to the Passat B6 structure ensures a consistent look of the side body line and proper window guidance within the frame.

Specifications and technical data

• SKU: 3C0839901B
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 3C0839901B
• Substitutable numbers: 3C0839901B, 3C0 839 901 B
• Location on the vehicle: Rear, Left
• Part type: Door
• Category: Body Mouldings & Trims

Purpose and function of the component

The described window frame trim operates in the rear left section of the body, where it is responsible for the aesthetic finishing of the door edge and stable window guidance within the sealed frame. Thanks to a design compliant with the Volkswagen factory standard, the component maintains proper geometry, which reduces the risk of unwanted play, rattling, or leaks within the door area. As a part from the Protective and decorative trims group, the trim serves both a visual and protective role – it masks structural edges, organizes the side line of the body, and helps protect the contact zone between the glass and the frame from external factors.

Benefits of using an original trim

Using an original component dedicated to the Passat B6 allows for maintaining the stylistic consistency of the entire bodywork and proper fitment with other door components. In practice, this means:

• proper fitment to the rear left door frame without the need for modifications,
• preservation of the factory line of creases and edges,
• correct interaction with the glass and seals in this part of the body,
• reduction of the risk of wind noise while driving. For the user, this translates into a more organized appearance of the side of the vehicle and stable operation of the window lifting mechanism in the rear left door.

Installation characteristics

The trim has been designed specifically for the rear left side of the body, which facilitates the identification of the correct mounting location and reduces the possibility of error when selecting the part. The design, consistent with Volkswagen factory solutions, facilitates installation in place of the original component, while maintaining existing mounting points and the window guidance system. When replacing, it is worth paying attention to the condition of the seals and other trims within the same door – consistent condition of all components in this zone improves acoustic comfort in the interior and the aesthetics of the entire side of the vehicle.

Application in service practice

The component will prove useful both for post-accident repairs and for replacing worn or deformed trims in a daily-driven Passat B6. Replacing the window frame trim in the rear left part of the body is particularly justified when there are problems with closing the window, visible deformations of the frame, or disturbances in the side line of the door. If you are planning a comprehensive repair or modernization of the side body zone in your Volkswagen and need other elements from the same group, such as covers, overlays, or additional trims, check the available parts in the Volkswagen protective and decorative trims category.

Tips for purchasing used components

When choosing used body components, it is worth paying attention to dimensional consistency, the condition of working edges, and compatibility with the specific model version. In the case of other vehicle sub-assemblies, especially from the fuel supply system area, additional guide materials may be helpful – you can find practical information in the blog post Fuel dosing problems: what to look for when buying a used injection pump and fuel rails?.