Audi Q7 4M Side Window Door Front Left N/S Window Glass AS2 4M0845021D

Audi Q7 4M Side Window Door Front Left N/S Window Glass is an original component from the Car windows group, designed for installation on the driver's side. It ensures proper geometry, a perfect fit to the door frame, and compatibility with factory guides and the window lifting mechanism, facilitating professional body repair.

Specifications and technical data

• SKU: 4M0845021D
• Mark: Audi
• Condition: Used
• OEM Part Number: 4M0845021D
• Substitutable numbers: 4M0845021D, 4M0 845 021 D
• Location on the vehicle: Front, Left
• Category: Car Glass

Purpose and placement in the vehicle

The presented window glass is designed for installation in the front left door of the Audi Q7 4M generation. Its placement in the driver's zone means the component is responsible not only for protection against external factors but also for everyday comfort – proper closing, interaction with seals, and stable operation within the guides.

Thanks to its factory geometry, the glass maintains the correct side line of the body, which is important for both aesthetics and acoustic and aerodynamic tightness.

Technical characteristics of the side window

As an AS2 type component, the glass meets the required standards for light transmission and operational safety. The construction is adapted to work with the factory lifting mechanism, which minimizes the risk of jamming, excessive play, or improper closing.

Its original Audi origin helps maintain consistency with the other windows in the vehicle – in terms of tint, structure, and the way it is seated in the door frame. This is particularly important during post-collision repairs or when replacing a single element in a vehicle already in use.

Application in repairs and restoration of the Audi Q7 4M

The front left door window is suitable for post-accident repairs, replacement after mechanical damage, or body restoration when it is necessary to restore the full functionality of the side zone. Using this component allows for optimized service costs while maintaining compliance with the vehicle's factory specifications.

In practice, this means:

• easier fitment to existing mounts and seals,
• consistent appearance with other windows,
• maintenance of proper operation of the window lifting mechanism.

Benefits of choosing an original used Audi window

Choosing an original side window from dismantling is a sensible solution for owners of premium cars who want to maintain a high standard of equipment at controlled costs. The component retains factory fitment parameters, which reduces the time required for installation and adjustment in the workshop.

If you want to better understand why used OEM components for premium brands are becoming an increasingly popular choice, it is worth reading the article: Crisis in the new parts market? Why used originals for premium cars are the hottest trend in 2026.

Expanding repairs in the Audi side window area

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