Description
Audi A4 S4 B7 Avant Rear Window Tailgate Boot Lid Glass AS2 Heated is an original component from the Car Windows category, designed for installation in the rear part of the vehicle body. Thanks to its integrated heating layer, it ensures efficient defogging and defrosting, improving visibility and driving safety in demanding weather conditions.
Specifications and technical data
- SKU: 8E9845501F
- Mark: Audi
- Condition: Used
- OEM Part Number: 8E9845501F
- Substitutable numbers: 8E9845501F, 8E9 845 501 F
- Location on the vehicle: Rear
- Category: Car Glass
Purpose and function in the vehicle
The described rear window has been designed specifically for the estate (Avant) version of the Audi A4 / S4 B7 generation, as a component mounted in the tailgate in the rear area of the vehicle. The AS2 glass construction meets the requirements for strength and light transmission for automotive glazing, which translates into comfort and safety of use.
The heating layer, evenly distributed across the surface of the glass, enables effective removal of water vapor and frost, which is particularly important during daily vehicle operation in variable weather conditions. As a result, the driver gains stable rear visibility, and auxiliary systems, such as mirrors or sensors, can operate under optimal conditions.
Construction and technical specifications
The AS2 glass used in this model is characterized by a properly selected thickness and structure, ensuring resistance to operational stresses and typical loads occurring in the rear part of the body. The use of heating within the glass pane allows for rapid achievement of the operating surface temperature, which shortens the time required to clear the window after starting the vehicle’s electrical system.
The geometry of the window is matched to the tailgate of the Avant version, which enables proper fitment with seals, hinges, and other body components. The appropriate edge profiling facilitates installation and minimizes the risk of stress resulting from improper seating in the tailgate frame.
Benefits of using an original rear window
Using an original rear window in the Audi A4 / S4 B7 Avant allows for maintaining the factory parameters of the vehicle in terms of body rigidity, tightness, and acoustic comfort. Precise dimension matching reduces the risk of leaks, air drafts, or unwanted noise while driving.
The heating layer integrated with the glass pane works with the vehicle’s electrical system, ensuring predictable operation of the defrosting system. This solution promotes safe operation during the autumn and winter season, as well as in conditions of high air humidity.
Characteristics of the used product
The item comes from dismantling and is offered as a used part, which is a cost-effective solution while maintaining the manufacturer’s original specifications. This type of component is particularly attractive for post-accident repairs or replacing a damaged window when the priority is to combine quality with a reasonable budget.
Before installation, it is recommended to verify compatibility with the specific vehicle equipment version and to check the electrical installation responsible for powering the window heating to ensure proper system operation after replacement.
Matching by part numbers and additional information
The product features manufacturer markings and catalog numbers that allow for precise matching to the specific configuration of the Audi A4 / S4 B7 Avant. In case of doubt, it is worth comparing the markings with the currently installed window or using a parts catalog to avoid installation errors.
If you are planning a comprehensive repair or upgrade of the rear body area in your Audi and need other elements from the same group, such as additional side windows, seals, or mounting elements, check the available parts in the Audi Car Windows category.
If you are considering whether an original, aftermarket, or used part is a better choice in your case and want to learn about the differences in costs, quality, and matching by OEM numbers, check out the article Original, aftermarket, or used – which car parts are the most cost-effective?, which discusses these issues in detail in the context of practical repairs.





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