Volkswagen Passat B7 Window Gasket Door Rear Right O/S Sealing Frame 3C9839432H

Volkswagen Passat B7 Window Gasket Door Rear Right O/S Sealing Frame is an original component from the Window seals and moldings group, designed for installation on the rear right door. The precisely matched sealing geometry helps reduce noise, improve cabin acoustic comfort, and maintain proper body sealing during daily operation.

Specifications and technical data

• SKU: 3C9839432H
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 3C9839432H
• Substitutable numbers: 3C9839432H, 3C9 839 432 H
• Location on the vehicle: Rear, Right
• Category: Window Seals, Gaskets & Trims

Purpose and function of the door seal

The presented seal is dedicated to the rear right area of the body, where it is responsible for a tight connection between the door and the car body. A properly selected rubber profile limits the penetration of water, dust, and air gusts, which translates into stable operating conditions for electrical systems in the door and higher ride comfort for rear seat passengers.

Thanks to the design developed by the vehicle manufacturer, the seal works with factory mounting points, ensuring repeatable sealing around the entire door perimeter and minimizing the risk of rattling or resonance while driving.

Compatibility and body fitment

The seal has been designed specifically for the Passat B7 model, which means that its shape, cross-section, and length are adapted to the factory geometry of the rear right door opening. Such fitment allows for:

• maintaining the correct line of adhesion to the body panels and door frame,
• maintaining even pressure around the entire perimeter,
• reducing acoustic and aerodynamic leaks.

Proper alignment of the component with the body helps maintain the factory level of acoustic insulation and helps reduce wind noise, which is particularly important at highway speeds.

Performance characteristics and installation

The rear right door seal in the Passat B7, as an original Volkswagen part, is made of material selected for resistance to variable temperatures, UV radiation, and typical operational loads. The flexibility of the profile facilitates installation in the factory slot while ensuring a stable position after the door is closed.

When replacing, it is recommended to thoroughly clean the contact surface of old seal residues and dirt, which allows for full utilization of the properties of the newly installed component. A properly seated seal supports even door closing, reduces the risk of rattling, and improves the overall operation of locks and hinges.

Benefits of using an original seal

Using an original rear right door seal in the Passat B7 brings a number of practical benefits:

• Better acoustic insulation – reduction of external noise and improvement of travel comfort for rear passengers.
• Protection of the door interior – reduced risk of moisture ingress into the door structure.
• Stable closing – proper resistance when closing the door, without excessive slamming and without play.
• Consistency with factory design – maintaining the original body sealing parameters.

The element from this group is particularly important in vehicles operated in variable climatic conditions, where frequent fluctuations in temperature and humidity can accelerate the wear of seals.

Further upgrades within the seal range

If you are planning a comprehensive repair or upgrade of the door area in your Volkswagen and need other components from the same group, such as additional window seals, window moldings, or sealing profiles, check the available parts in the Volkswagen Window seals and moldings category.

For drivers interested in a broader approach to vehicle maintenance, including optimal engine performance, the guide material describing the refreshment of a popular diesel engine may be helpful – more information can be found in the article The second life of the Mercedes OM642 engine – how injectors and a turbocharger restore the power of the 3.0 V6 CDI.