Audi A4 S4 B9 Avant Panoramic Roof Sunroof Glass Assembly AS3 Tinted 8W9877049

Visual condition of the part

The product shows signs of use visible in the photos.

Audi A4 S4 B9 Avant Panoramic Roof Sunroof Glass Assembly AS3 Tinted is an original component from the Panoramic roofs, sunroofs and parts group, designed for completing the factory roof glazing system. This used, original glass with factory AS3 tinting ensures a consistent body appearance, proper fitment, and maintenance of safety parameters in accordance with Audi standards.

Specifications and technical data

• SKU: 8W9877049
• Mark: Audi
• Condition: Used
• OEM Part Number: 8W9877049
• Substitutable numbers: 8W9877049, 8W9 877 049
• Category: Sunroofs & Parts

Purpose and construction

The presented item is a complete glass assembly for the panoramic roof system designed for the Audi A4 / S4 B9 generation Avant model. It has been designed as part of the factory system, ensuring it maintains the correct geometry, profile, and mounting method, which facilitates installation in place of a damaged original.

The glass features an AS3 class marking, which indicates a darker tint compared to standard glass, improving thermal and visual comfort inside the vehicle. The integrated tinting limits cabin heating and reduces glare while maintaining appropriate light transmission for a panoramic roof.

Function in the vehicle and benefits of installation

The panoramic roof in the Audi A4 / S4 B9 Avant serves both functional and aesthetic purposes. Replacing damaged glass with an original component allows you to:

• restore the tightness of the roof system and proper water drainage,
• maintain the factory level of roof structural rigidity,
• preserve a consistent appearance of the body and interior,
• maintain compliance with factory safety and homologation standards.

A used, original panoramic roof glass is often chosen as a reasonable alternative to new parts, allowing for reduced repair costs while maintaining proper fitment and compatibility with the sunroof mechanism.

Condition, origin, and installation aspects

The item comes from dismantling and is offered as an original Audi brand part. This ensures full dimensional compatibility with the roof frame and sunroof guides, which facilitates service work and minimizes the risk of issues with mechanism adjustment.

During installation, it is recommended to:

• use new sealing materials in accordance with the manufacturer's technology,
• check the condition of the frame, guides, and water drains,
• adjust the position of the glass relative to the roof skin to avoid wind noise and leaks.

Selecting the correct panoramic roof glass according to the manufacturer's markings helps avoid compatibility issues that may occur with replacements having a different profile or tint specification.

Why choose a used original panoramic roof glass

In the case of components such as panoramic roof glass, an original part from dismantling often represents a favorable compromise between cost and quality. You retain factory optical and mechanical parameters while simultaneously reducing repair expenses. If you want to better understand the differences between refurbishment and installing used components, check out the article Refurbished or used original – which part to choose for repairs?, which discusses the practical aspects of such a choice.

Audi owners interested in the subject of drivetrains and the interaction of the chassis with body components may also be interested in material comparing AWD systems, which describes, among others, solutions used by this brand: xDrive, 4Matic, quattro or 4Motion – a comparison of AWD systems from BMW, Mercedes, Audi and VW.

Expanding repairs within the Audi panoramic roof area

If you are planning a comprehensive repair or modernization of the panoramic roof area in your Audi and need other components from the same group, such as guides, seals, or sunroof cassettes, check out the available parts in the Audi panoramic roofs, sunroofs and parts category.