Seat Arona KJ7 Door Window Guide Rail Rear Left N/S 6F0839613B

Seat Arona KJ7 Window Regulator Seal Left Rear is an original part from the door upholstery category, designed for the rear left window in the Arona KJ7 body. It ensures stable window guidance within the door, which translates to proper operation of the lifting and lowering mechanism and reduces unwanted play.

Specifications and technical data

• SKU: 6F0839613B
• Mark: Seat
• Condition: Used
• OEM Part Number: 6F0839613B
• Substitutable numbers: 6F0839613B, 6F0 839 613 B
• Location on the vehicle: Rear, Left
• Part type: Door Panel
• Category: Door Panels

Purpose and Function in Rear Doors

The left rear door window regulator seal is responsible for the precise vertical guidance of the glass pane, stabilizing it relative to the door structure. A correctly chosen part minimizes the risk of the window becoming crooked, reduces noise during driving, and supports the seal between the window and the weatherstripping.

In the Seat Arona KJ7 model, the seal works with the window lifting mechanism and the door upholstery, making its correct fit crucial for the trouble-free operation of the entire door assembly.

Construction and Fit for Seat Arona KJ7

The offered seal is designed for a specific Arona KJ7 body configuration, ensuring:

• geometry consistent with the factory door construction – correct window guidance angle and fit to the door frame,
• compatibility with the factory window lifting mechanism – no need for modifications or adapter fittings,
• alignment with the door upholstery – maintaining the correct window path relative to the seals and trim panel.

This makes installation in the vehicle predictable, and after replacement, the window operation can be restored to parameters close to the factory specifications.

Vehicle Placement and Benefits of Correct Installation

The seal is intended for the rear left side, meaning it is designed for the specific geometry of the rear left door. Correct placement on the vehicle directly impacts:

• maintaining predictable window behavior when driving over uneven surfaces,
• reducing vibrations and rattles caused by play in the guidance,
• stable cooperation with the weatherstripping, which helps reduce wind noise.

Choosing a seal dedicated to a specific side of the vehicle is also important for safety – the window moves along the path designed by the manufacturer, without excessive stress.

Product Characteristics and Service Application

This component comes from the Seat brand and is categorized under door upholstery, meaning it works with internal door components such as trim panels, weatherstripping, and window mechanisms. The product is suitable for typical repairs due to wear of the seal, as well as for service after a collision or bodywork intervention on the door structure.

Replacing the seal is particularly recommended when symptoms such as uneven window closing, noticeable play when moving the glass up and down, or increased noise around the rear left window occur. Using an original part allows for the restoration of proper window mechanism operation without experimenting with universal alternatives.

Seat Door Upholstery – Selecting the Right Components

If you are looking for other components from the Seat door upholstery category, such as seals, panels, or parts that work with the window mechanism, check out our dedicated offer: Seat door upholstery. Focusing on parts assigned to a specific brand makes it easier to select components compatible with the vehicle's factory construction.