Seat Leon Mk3 Rear Window Glass AS3 Tinted Glazing 5-Door Variant 6J4845051

Seat Leon Mk3 Rear Window Glass AS3 Tinted Glazing 5-Door Variant is a factory-original glass from the Car windows category, designed for installation in the rear part of the vehicle body. The AS3 standard tinted glass improves driving comfort, reduces interior heating, and increases passenger privacy, while remaining fully compliant with the technical requirements for this type of component.

Specifications and technical data

• SKU: 5F4845051C
• Mark: Seat
• Condition: Used
• OEM Part Number: 5F4845051C
• Substitutable numbers: 5F4845051C, 5F4 845 051 C
• Location on the vehicle: Rear
• Part type: Rear Window
• Category: Car Glass

Purpose and body compatibility

The described rear window has been designed specifically for the 5-door version of the Seat Leon Mk3. Its placement in the rear of the vehicle ensures a perfect fit with the tailgate, proper seal guidance, and compatibility with factory mounting elements. As a result, the installation process is predictable and does not require any structural modifications.

The AS3 standard indicates the use of glass with a higher degree of tinting, which is particularly beneficial for cars used in urban traffic and on long journeys. This type of glass effectively limits light and radiation penetration, improving the performance of the air conditioning system and the comfort of rear-seat passengers.

Characteristics of AS3 glass and tinting

The AS3 rear window uses glass with an increased level of light absorption, which translates into:

• reduced glare from vehicles behind,
• better protection of the interior against upholstery fading,
• more comfortable travel conditions for rear passengers.

The tint is an integral feature of the glass, not the result of an additional film, which allows it to maintain stable optical and mechanical parameters over the long term. This solution is particularly valued in vehicles where stylistic consistency between the side windows and the rear of the body is important.

Condition of the part and benefits of choosing a used component

The offered glass comes from the group of original used parts, which allows for cost savings while maintaining factory fitment parameters. In practice, this means that the glass geometry, thickness, and edge finish correspond to the solutions used in original equipment, and the element itself can be used both for post-accident repairs and for replacing worn or damaged glass.

For many users, choosing a used rear window is a reasonable compromise between cost and quality – especially in the case of models such as the Seat Leon Mk3, where maintaining the original body line and factory appearance is of significant visual importance.

Application in service practice

The AS3 tinted rear window is suitable for situations where it is necessary to:

• replace the glass after a collision or mechanical damage,
• restore full functionality of the tailgate,
• replace a missing element during comprehensive body repair.

Thanks to the preservation of the factory manufacturing standard, the installation can be carried out in most workshops specializing in car glass replacement, using standard sealing and mounting materials. This solution facilitates the work of service centers and reduces vehicle downtime.

Expanding the glazing zone for the Seat brand

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

How to safely use used car windows

Choosing a used rear window is a way to significantly reduce service costs while maintaining appropriate technical parameters. However, it is worth knowing what to look for when purchasing and installing to avoid problems with leaks or improper glass seating. Practical tips on making an informed choice regarding used components can be found in the article Rising repair costs and the boom in used parts – how to save on car service?, which discusses when used OEM components are a particularly cost-effective solution.