Audi A4 B7 Front Door Window Glass Glazing Left N/S AS2 8E0845021D

The left front door glass for Audi A4 B7 is an original part from the Automotive Glass category, designed for installation on the driver's side. It ensures the preservation of the factory glazing geometry, the correct operation of the window regulator mechanism, and a cohesive appearance of the side body section of your Audi.

Specifications and technical data

• SKU: 8E0845021D-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8E0845021D
• Substitutable numbers: 8E0845021D, 8E0 845 021 D
• Location on the vehicle: Front, Left
• Category: Car Glass

Intended Use and Fitment

The presented glass is dedicated to the left front door of the Audi A4 B7 generation, ensuring a proper fit with the door frame, seals, and guides. Its placement in the front, driver's side area guarantees compatibility with the factory window regulator mechanism and the exterior mirror. By adhering to the original AS2 glass specification, the component meets the requirements for light transmission and user safety, which is important for both daily operation and periodic technical inspections.

Technical and Functional Parameters

The glass is designed as a structural component of the front door, working in conjunction with the factory guides, seals, and window frame. The appropriate edge profile and correct glass thickness allow for:

• stable operation within the guides without excessive play,
• proper sealing when the door is closed,
• maintaining the correct pressure against the seals at the top of the frame. Appropriately selected front glass also contributes to acoustic comfort inside the vehicle, reducing airflow noise and ambient sounds. This is particularly important when driving at higher speeds, where the quality of seals and glass fit directly impacts perceived comfort.

Characteristics of a Used Part

The offered glass is a used part, meaning it comes from a dismantled vehicle but retains full functionality for installation and operation. This type of solution allows you to combine original manufacturer quality with a more favorable purchase cost compared to a new component. Choosing a used door glass is also a sensible compromise between economy and compliance with factory specifications, especially for collision repairs or replacing damaged driver's side glazing. The part retains its correct shape, thus requiring no modifications or adjustments during installation.

Application in Body Repairs

The left front door glass is a key component in repairs of the side body area, especially after mechanical damage, collisions, or window regulator failures. Replacing this part allows for the restoration of:

• correct operation of the electric or manual window regulator,
• cabin sealing in the driver's door area,
• a cohesive appearance of the window line on the left side of the vehicle. Thanks to the preservation of the factory shape and glass parameters, installation proceeds predictably for an experienced mechanic or body shop technician, without the need for door structure modifications.

Related Parts and Further Expansion

If you are planning a comprehensive repair or upgrade of the side glazing area in your Audi and need other parts from the same group, such as door glasses, quarter glasses, or additional side glazing, check the available parts in the Audi Automotive Glass category. When choosing used parts, it is advisable to approach the topic of their durability, quality, and real differences compared to new components consciously. To better understand how to assess the condition of such parts and when their use is particularly cost-effective, read the article Used Car Parts: Myths and Facts You Need to Know, which clearly organizes the most important information in this area.