Seat Leon Cupra 5f Rear Lid Boot Tailgate Clear Glass Window AS3 5F3845051A

Seat Leon Cupra 5f Rear Lid Boot Tailgate Clear Glass Window is an original component from the Car Windows group, designed for installation in the rear part of the vehicle body. The transparent glass ensures proper rear visibility while maintaining factory body geometry and compatibility with tailgate equipment.

Specifications and technical data

• SKU: 5F3845051A
• Mark: Seat
• Condition: Used
• OEM Part Number: 5F3845051A
• Substitutable numbers: 5F3845051A, 5F3 845 051 A
• Location on the vehicle: Rear
• Part type: Rear Window
• Category: Car Glass

Purpose and function of the tailgate window

The tailgate window in the Seat Leon Cupra 5f model is responsible for safely observing the situation behind the vehicle, proper interaction with the rearview mirror, and the structural stability of the tailgate. The clear glass in the AS3 standard ensures an appropriate level of light transmission while maintaining comfort during daily use. The component is mounted in the rear part of the vehicle, in the tailgate area, using factory mounting points and seals. This ensures body tightness, proper water drainage, and correct interaction with other tailgate components.

Benefits of using an original Seat window

Using an original window from the Car Windows group allows for maintaining the vehicle's factory parameters regarding body rigidity, passive safety, and visibility ergonomics. Properly selected glass curvature and precise fit to the tailgate frame minimize the risk of stress, leaks, and improper seal adhesion. In the case of the sporty Leon Cupra 5f version, maintaining the proper aerodynamics of the rear body section is particularly important. The original tailgate window works in harmony with the roofline, spoiler, and side pillars, which reduces air turbulence and affects vehicle stability at higher speeds.

Characteristics of the used component

The offered window is a used part, which allows for economical vehicle repair while maintaining the original origin of the part. This type of solution is particularly beneficial for post-accident repairs or replacing a damaged window after cracking or shattering, when the priority is combining quality with a reasonable cost. A used tailgate window is a good solution for users who want to maintain visual consistency of the body, avoiding differences in glass tint or edge shape typical of cheaper replacements. Original glass is designed for long-term use and resistance to typical road loads.

Selection and installation of the window in the Leon Cupra 5f

When selecting a tailgate window for the Seat Leon Cupra 5f, it is crucial to match it to the specific body version and maintain compliance with factory mounting solutions. The original window allows for the use of standard seals, trim strips, and mounting elements, which facilitates service work and shortens installation time. Professional installation using appropriate adhesives and service procedures ensures proper bonding of the window to the tailgate structure, which is important for both safety and protection against moisture ingress into the vehicle interior. Thanks to maintaining factory glass parameters, it is also possible to ensure the proper operation of rearview mirror adjustment systems and comfortable observation of the road behind the vehicle.

Assortment expansion and knowledge about used parts

If you are planning a comprehensive repair or modernization of the rear body zone in your Seat and need other elements from the same group, such as additional side windows, other rear windows, or supplementary glazing, check the available parts in the Seat Car Windows category. When making a decision about choosing used parts, it is worth knowing the broader economic and operational context. An article describing the advantages of original second-hand components in daily driving, available at the link, may be helpful: Economical vehicle operation using original used parts.