Volkswagen Passat CC B6 Rear Door Window Seal Inner Gasket Right O/S 3C8839472C

The Right Rear Window Seal for Volkswagen Passat CC B6 is a precisely fitted body component responsible for the sealing and stable guidance of the window in the rear passenger-side door. This genuine Volkswagen part ensures proper adhesion to the door frame, reducing noise, vibrations, and air drafts during driving. Consequently, the car's interior remains better acoustically insulated and more comfortable for passengers.

Specifications and technical data

• SKU: 3C8839472C
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 3C8839472C
• Substitutable numbers: 3C8839472C, 3C8 839 472 C
• Location on the vehicle: Rear, Right
• Part type: Window Seal
• Category: Window Seals, Gaskets & Trims

Purpose and Fitment

The presented seal is designed for the rear right section of the body in the Volkswagen Passat CC B6 generation. It is installed on the inner side of the door, along the window guide edge, allowing for correct interaction with the window lifting mechanism. Using the manufacturer's original design solution minimizes the risk of leaks and window operation issues after replacement.

Function and Benefits of Installation

The right rear window seal performs several key operational functions:

• It prevents water and moisture from entering the door interior.
• It stabilizes the window in its guide during driving.
• It reduces air flow noise at higher speeds.
• It contributes to the smooth operation of the window lifting mechanism.

By using the original part, the vehicle maintains its factory fitment, and the acoustic comfort of the cabin remains at the appropriate level. This is particularly important in premium cars like the Passat CC, where both aesthetics and the perceived quality of the ride are crucial.

Characteristics of the Genuine Volkswagen Seal

The right rear window seal for the Passat CC B6 has been designed by the vehicle manufacturer with the specific door frame profile and window geometry in mind. This means:

• Precise fit to the door shape and bodywork contours.
• Correct pressure against the window edge along its entire length.
• Compatibility with factory mounting points.

Using the original seal reduces the need for additional adjustments and modifications, shortening installation time and lowering the risk of future leaks. This solution is particularly beneficial for professional accident repairs and for replacing worn-out parts in daily-driven vehicles.

Item Condition and Service Application

The offered seal belongs to the Window and Trim Seals group and is intended for service applications in the rear right part of the body. It is suitable for replacing a damaged or deformed seal, as well as for comprehensive renovation of the passenger-side door. A correctly chosen part of this type helps restore proper window operation and reduce common issues such as wind noise, creaks, or improper window closing.

If you are planning a comprehensive repair or upgrade of the side glazing area in your Volkswagen and require other parts from the same group, such as interior window seals, exterior window trim, or additional sealing profiles, check the available parts in the Volkswagen Window and Trim Seals category.

Technical Support and Service Knowledge

When planning bodywork and paint repairs, window replacements, or body renovations, it is advisable to rely on proven manufacturer solutions and up-to-date service knowledge. To expand your understanding of modern premium car construction and the selection of replacement parts, you can refer to the guide article Evolution of the Mercedes S-Class: From W140 to W222 – Innovations, Model Differences, and Mercedes Auto Parts Over the Years, which illustrates the technical development in the premium segment and what to look for during servicing.