Seat Leon 5F Rear Door Side Window Glass Glazing Tinted AS3 Left N/S 5F4845025B

Seat Leon 5F Rear Door Side Window Glass Glazing Tinted AS3 Left N/S is an original component from the Car windows category, designed for installation in the rear left section of the vehicle body. It provides proper passenger protection, correct visibility, and stylistic consistency for the side of the vehicle, remaining compliant with the factory line of the Seat Leon 5F model.

Specifications and technical data

• SKU: 5F4845025B
• Mark: Seat
• Condition: Used
• OEM Part Number: 5F4845025B
• Substitutable numbers: 5F4845025B, 5F4 845 025 B
• Location on the vehicle: Rear, Left
• Part type: Rear Side Window
• Category: Car Glass

Purpose and function of the side window

The presented window has been designed as a component of the rear left door wing in the Seat Leon 5F model. Its task is to maintain the appropriate rigidity of the side structure, protect the interior from external factors, and ensure comfortable visibility for rear-seat passengers. The design, tailored to the specific model, eliminates issues with leaks, wind noise, or improper operation of the window regulator mechanism.

The AS3 marking indicates the use of the appropriate type of glass that meets the required safety standards for side windows, which translates into predictable material behavior in the event of damage and compliance with homologation regulations.

Benefits of using an original Seat window

Using an original side window in the Seat Leon 5F allows for maintaining the factory performance parameters of the entire door assembly. Proper matching of the glass shape and thickness to the guides and seals reduces the risk of:

• rattling and vibrations while driving,
• excessive noise at higher speeds,
• water leaks at the contact point between the glass and the seal,
• accelerated wear of the window regulator mechanism.

As a result, replacing a damaged window with a component that complies with the factory specification is a technically safe and predictable solution. Proper fitment with the door frame facilitates installation and reduces the need for additional adjustments.

Installation and performance characteristics

The rear left side window for the Seat Leon 5F is intended for installation in factory mounting points, which allows for maintaining the original body line and the correct operation of seals and guides. Its placement in the rear left part of the vehicle makes this element significant for both passenger comfort and the aesthetics of the entire side of the car.

As an item from the Car windows category, the product works with standard Seat body solutions, so after correct installation, it does not require additional structural modifications. This is a practical solution for post-accident repairs, replacement after glass breakage, or during the reconstruction of the side body section.

Selecting the right window for the Seat Leon 5F

When selecting a side window for a specific Seat Leon 5F unit, it is crucial to pay attention to the installation side and the rear location in the vehicle. Proper fitment eliminates problems with door closing, the operation of the lifting mechanism, and system tightness. It is also worth verifying compatibility with the vehicle documentation to avoid installing a component intended for a different body version.

If you are planning a comprehensive repair or modernization of the side body area in your Seat and need other elements from the same group, such as additional side windows, front door windows, or quarter glass, check the available parts in the Seat car windows category.

Additional knowledge and guide materials

For those interested in a broader context of selecting and replacing glass elements and other body components, materials regarding structural changes in popular VAG group models may be helpful. For example, the evolution of solutions used in hot hatchbacks of this group is described in the article Hot-hatch legend: the evolution of the VW Golf GTI from Mk1 to Mk8 – structural changes and VW car parts, which shows how manufacturers develop their designs over time.

If you are considering a wider range of repairs using aftermarket parts, it is also worth reading the guide Buying used car parts • Most common mistakes when choosing tuning parts, which helps to consciously approach the selection of used components and reduce the risk of poor decisions.