Seat Ibiza 6J Rear Outer Left N/S Glass Window Weatherstrip Seal 6J4839471B

Seat Ibiza 6J Door Window Seal Left Rear is a precisely fitted body part from the Window Seals and Trim category, designed for installation on the rear left door. It ensures a tight seal for the window, reduces noise, and protects the interior from water and dirt, providing a quiet and comfortable driving experience. With its factory geometry and proper profile, it serves as a solid foundation for professional door area repairs.

Specifications and technical data

• SKU: 6J4839471B
• Mark: Seat
• Condition: Used
• OEM Part Number: 6J4839471B
• Substitutable numbers: 6J4839471B, 6J4 839 471 B
• Location on the vehicle: Rear, Left
• Rim width: 6
• Category: Window Seals, Gaskets & Trims

Purpose and Function of the Window Seal

This seal has been specifically designed for the rear left door area of the Seat Ibiza 6J model, guaranteeing a perfect fit to the frame and window guide. The component works in direct contact with the side window, stabilizing its upward and downward movement and reducing play that could cause unwanted vibrations.

A well-chosen window seal contributes to:

• reduction of wind noise during high-speed driving,
• prevention of water and moisture ingress into the door interior,
• protection of the window edges against excessive mechanical wear,
• maintenance of stable operation of the window lifting mechanism.

Benefits of Using an Original Seat Seal

A window seal dedicated to a specific vehicle model ensures proper adhesion along the entire length of the door frame. This minimizes the risk of leaks, which often occur with universal parts. The appropriate rubber profile and fit to factory mounting points translate into stable installation and predictable performance.

Key advantages of using this component include:

• Compatibility with Door Construction – the seal works with the factory window lifting mechanism and door hardware.
• Consistency with Body Line – maintaining original gaps and edges, which is important for both visual and aerodynamic aspects.
• Stable Window Guidance – reducing misalignment and jamming during power window operation.

Installation and Usage Characteristics

The seal is intended for installation in the rear left part of the body, within the passenger door. The component's design allows for service replacement of a worn or damaged seal without the need for door structure modifications. A correctly installed seal restores the window perimeter's airtightness and improves acoustic comfort inside the cabin.

When replacing, it is worth paying attention to:

• thorough cleaning of the door slots and edges before installation,
• checking the condition of the window guides and lifting mechanism,
• testing the window operation after installation – smooth movement and no rubbing.

Application in Service and Body Repairs

This type of component is particularly useful for accident repairs, door replacements, or restoration of the sill-post area, where seal damage often occurs. The Seat Ibiza 6J Door Window Seal Left Rear allows for the restoration of factory sealing and comfort parameters, which is important for both daily use and potential resale of the vehicle.

If you are undertaking a comprehensive renovation of your car's side windows and also need other sealing components dedicated to this brand, check the available parts in the Seat Window Seals and Trim category.

For drivers interested in comparing the quality of factory components from different manufacturers and the rationale for using used parts in high-performance cars, an article describing the differences between sport and standard components may be helpful – you can find it here: BMW M Performance: What's the Difference Between BMW M and Standard Components?.