Seat Ibiza Mk4 6J Seal Gasket Window Frame Guide Rail Rear Right O/S 6J4839432A

Seat Ibiza Mk4 6J Seal Gasket Window Frame Guide Rail Rear Right O/S is a precisely fitted body component responsible for stable guidance and proper sealing of the rear passenger-side window. Thanks to a design compliant with the Seat factory standard, the seal ensures the correct operation of the window lifting mechanism and limits the ingress of moisture and contaminants into the door interior. It is a practical solution for users who want to restore the proper operation of the side window without compromising on fitment.

Specifications and technical data

• SKU: 6J4839432A
• Mark: Seat
• Condition: Used
• OEM Part Number: 6J4839432A
• Substitutable numbers: 6J4839432A, 6J4 839 432 A
• Location on the vehicle: Rear, Right
• Part type: Window Seal
• Rim width: 6
• Category: Window Seals, Gaskets & Trims

Purpose and function in the vehicle

The presented guide rail is dedicated to the rear right window in the Seat Ibiza Mk4 6J model. It is responsible for keeping the window in the correct position during opening and closing, stabilizing its movement within the vertical guides. A properly selected seal reduces play, minimizes wind noise, and supports the tightness of the door system during daily use.

The component belongs to the Window seals and trims group, meaning it works with the glass and door structure to create a cohesive system of protection against water, dust, and gusts of air. The use of original geometry translates into consistent window guidance and proper cooperation with the window regulator.

Construction and technical fitment

The guide rail seal has been designed with a specific location on the vehicle in mind, ensuring its shape and profile correspond to the factory mounting points in the rear right door. The appropriate stiffness and material flexibility allow for:

• stable window guidance throughout its entire range of operation,
• reduction of vibrations and rattling when driving over uneven surfaces,
• maintaining the gap between the glass and the door frame within the range specified by the manufacturer.

Such fitment is particularly important in vehicles used daily, where repetitive window opening and closing cycles require the guide rail to have adequate durability and wear resistance.

Component condition and service application

The offered window guide rail seal is part of the used original components group, which allows for economical repair while maintaining factory geometry and compatibility with the bodywork. This type of element is particularly useful in situations where:

• the window operates with noticeable resistance or jerking,
• leaks appear in the area of the rear right window,
• mechanical damage to the guide rail occurred during previous door repairs.

Using an original guide rail reduces the risk of fitment issues that may occur with universal parts or imprecise replacements.

Benefits of installation in the Seat Ibiza Mk4 6J

Replacing the window guide rail with the correct component allows you to restore the comfort of using the rear window and improve the overall operation of the door. Key advantages of the installation include:

• stable window movement without excessive play or jamming,
• reduction of air drafts and noise in the cabin,
• better protection of the door interior against moisture and dirt,
• preservation of the factory fit of body components.

For users who care about the technical condition of their vehicle, this is a practical way to restore the correct operation of the window mechanism while maintaining consistency with the model's original design.

If you are planning a comprehensive repair or upgrade of the side window area in your Seat and need other elements from the same group, such as additional seals, trim strips, or guide rails, check the available parts in the Seat window seals and trims category.

To better verify the compatibility of the purchased components with your car and reduce the risk of errors when selecting parts by number, it is worth using the practical tips included in the guide Online parts shopping without risk – 5 proven ways to verify component compatibility using OEM numbers and paint codes.