Skoda Fabia Mk1 6Y Rear Door Window Seal Gasket Rubber Right O/S 6Y6839440

Skoda Fabia Mk1 6Y Rear Door Window Seal Gasket Rubber Right O/S is a precisely fitted body component designed for the rear right door window of this model. It is responsible for sealing the window guide, reducing noise, and protecting the interior from water and contaminants, ensuring stable and safe operation of the window lifting mechanism. By maintaining the factory geometry, the seal helps preserve the vehicle's proper acoustic comfort and usability.

Specifications and technical data

• SKU: 6Y6839440
• Mark: Skoda
• Condition: Used
• OEM Part Number: 6Y6839440
• Substitutable numbers: 6Y6839440, 6Y6 839 440
• Location on the vehicle: Rear, Right
• Part type: Window Seal
• Category: Window Seals, Gaskets & Trims

Purpose and function of the seal

The presented seal is an item from the Window seals and trims group, designed specifically for installation in the rear right door area of the first-generation Skoda Fabia. Its tasks include:

• sealing the window perimeter in the rear passenger-side door,
• stabilizing the glass pane during raising and lowering,
• limiting the ingress of water and dust into the door interior and cabin,
• reducing wind noise at higher speeds.

By maintaining the correct profile and flexibility, the seal supports the proper operation of the window mechanism, reducing the risk of jamming and premature wear of the guides.

Construction and fitment for Skoda Fabia Mk1

The seal has been developed for the specific geometry of the rear right door, which translates into factory-fit compatibility with the door frame and window. Properly profiled edges ensure even pressure around the entire perimeter, and the appropriately selected material hardness allows for maintaining a seal while compensating for minor deformations of the sheet metal and glass.

The component is intended for installation in the original mounting points, without the need for modifications or forced fitting. This solution facilitates service work, shortens replacement time, and minimizes the risk of leaks in critical areas where the window meets the door frame.

Condition of the component and service application

The seal comes from dismantling and is offered as a used original part, which in practice means it retains the correct shape and compatibility with factory Skoda body components. This type of part is particularly useful in situations where:

• the existing seal is perished, cracked, or deformed,
• there are water leaks in the rear right part of the cabin,
• excessive noise occurs in the area of the rear right window,
• the window operates with noticeable resistance or does not close evenly.

Using an original seal allows for restoring proper window operating conditions and reducing the risk of corrosion inside the door resulting from moisture ingress.

Benefits of installing the correct window seal

Replacing a worn seal with a properly selected rear right window component brings a number of practical operational benefits:

• Improved cabin sealing – limiting the ingress of water and moisture into the door interior and upholstery.
• Better acoustic comfort – reduction of wind noise in the rear part of the body.
• More stable window operation – less load on the lifting mechanism, which promotes its durability.
• Aesthetics and functionality – proper adhesion of the window to the door frame without visible gaps.

For users who care about the technical condition of the body and driving comfort, a correctly selected window seal is a simple yet effective way to restore the factory performance parameters of the rear part of the vehicle.

If you are planning a comprehensive repair or upgrade of the side glazing area in your Skoda and need other components from the same group, such as guides, trim strips, or additional seals, check the available parts in the Skoda Window seals and trims category.