Audi Q3 8U Door Window Glass Rear Left N/S Tinted AS3 8U0845205A

Audi Q3 8U Door Window Glass Rear Left N/S Tinted AS3 is a factory-original component from the Car Windows category, designed for installation in the rear left door of this model. The AS3 standard tinted glass improves driving comfort, reduces interior heating, and increases passenger privacy. This is a solution for users who expect a solid fit, mounting stability, and a consistent look with the rest of the vehicle's windows.

Specifications and technical data

• SKU: 8U0845205A
• Mark: Audi
• Condition: Used
• OEM Part Number: 8U0845205A
• Substitutable numbers: 8U0 845 205 A, 8U0845205A, 8U0 845 205 C, 8U0845205C
• Location on the vehicle: Rear, Left
• Part type: Rear Side Window
• Category: Car Glass

Purpose and body fitment

The presented window glass has been designed specifically for the rear left door area of the Audi Q3 8U generation. This ensures proper edge profiling, correct arc geometry, and compatibility with factory guides, seals, and the window regulator mechanism. As a result, installation is predictable, and after assembly, the seal integrity and proper operation of the window regulator are maintained. The positioning in the Rear, Left area ensures that the glass works with original door components, such as trims, frames, and mounts, which minimizes the risk of improper fitment or unwanted vibrations while driving.

Characteristics of AS3 tinted glass

The use of AS3 standard glass means a higher level of tint compared to front windows, which translates into better protection against solar radiation. This type of glass:

• reduces heating of the rear cabin area on sunny days,
• limits glare and improves visual comfort for passengers,
• helps maintain privacy inside the vehicle. Tinted glass is particularly beneficial in cars used in city traffic and on longer routes, where stable thermal and visual conditions inside the interior affect travel comfort.

Technical parameters and compatibility

The glass belongs to the Car Windows category, which means it is made of material adapted to the requirements of vehicle body operation – with appropriate resistance to stress, temperature changes, and typical mechanical loads. The product has a dedicated OEM part number and interchangeable numbers, which facilitates verification of compatibility with a specific Audi Q3 8U configuration without the need for modifications. Manufacturer markings allow the glass to be matched to the existing equipment specification, as well as to verify compatibility with other door elements, such as guides or mounts, which is important for professional post-accident repairs or replacement of damaged glass.

Product condition and service application

The item is offered as used, which in practice means it comes from vehicle dismantling and has been verified for further installation suitability. This type of solution is often chosen in professional body shops and by conscious users who want to maintain visual consistency with other windows while optimizing repair costs. Replacement of the rear left door window is recommended in case of cracks, scratches hindering visibility, edge damage, or problems with proper operation in the guides. Using original glass with the appropriate degree of tint allows you to maintain the factory character of the vehicle and avoid differences in shade between individual windows.

Expanding the Audi glazing zone

If you are planning a comprehensive repair or upgrade of the glazing zone in your Audi and need other elements from the same group, such as side door windows, fixed luggage compartment windows, or additional vent windows, check the available parts in the Audi Car Windows category.

Additional technical information and safety

When selecting a window, it is worth paying attention to compatibility with vehicle equipment and the quality of installation – proper seating in the door frame is important for sealing, acoustics, and the durability of the entire system. In case of doubts regarding the replacement procedure, it is recommended to use the services of a specialized workshop that has the appropriate tools and experience in working with glass elements. If you are interested in a broader context of selecting body parts in terms of safety and quality, it is worth reading the material discussing the differences between original and cheaper lighting replacements – you will find it in the article Original lamps or replacements? Check why used headlights are a guarantee of safety and perfect lighting.