Audi A4 B9 Rear Quarter Glass Window Triangle Fixed AS3 Left N/S 8W5845297G

Audi A4 B9 Rear Quarter Glass Window Triangle Fixed AS3 Left N/S is a precisely fitted, fixed body glazing element designed for installation on the driver's side. As part of the Car windows group, it ensures stable interior illumination while maintaining the factory body line and the stylistic consistency of the entire vehicle.

Specifications and technical data

• SKU: 8W5845297G
• Mark: Audi
• Condition: Used
• OEM Part Number: 8W5845297G
• Substitutable numbers: 8W5845297G, 8W5 845 297 G
• Location on the vehicle: Rear, Left
• Part type: Rear Quarter Window
• Category: Car Glass

Purpose and function of the component

The described glass is a fixed, triangular rear body glazing element, mounted on the left side of the vehicle. In the Audi A4 B9 generation model, it is responsible for illuminating the rear cabin area and maintaining the structural rigidity of the side panel. Thanks to its dedicated shape and edge profile, the glass works in conjunction with seals, the door or body frame, and other windows to create a cohesive, airtight system.

Its placement in the rear zone, on the driver's side, is important both for passenger visibility and for maintaining proper aerodynamics and interior acoustics. The fixed nature of the glass (no opening mechanism) translates into installation stability and a reduction in potential sources of noise or vibration.

Benefits of using an original side window

Using an original component from the Car windows group in an Audi allows you to maintain the vehicle's factory parameters regarding fit, tightness, and safety. The glass has been designed specifically for the A4 B9 body, which means:

• accurate reproduction of the shape and bending radii,
• proper cooperation with factory seals and moldings,
• preservation of the glazed surface area intended by the manufacturer,
• visual consistency with other windows in the vehicle.

As a result, the installation process is predictable for the service center, and there is no need for compromises in terms of fit or body adjustments after replacement. This is particularly important for post-accident repairs and restoring the car to a state consistent with the factory specification.

Performance and installation characteristics

The fixed rear triangular window is a component that, once correctly installed, does not require adjustment or periodic maintenance. Properly seated in the body or door frame, it ensures:

• stable sealing against water and contaminants,
• maintenance of proper side structural rigidity,
• noise reduction in the cabin due to proper adhesion to the seals,
• seamless cooperation with factory trim moldings.

The element is intended for installation in the rear part of the vehicle, on the left side, which facilitates clear identification when selecting parts and planning bodywork repairs or glass replacement.

Product condition and practical application

The offered glass comes from an Audi vehicle and is a used component, which makes it an attractive solution for repairs where reasonable cost is important while maintaining the original origin of the part. This type of component will work well both for post-accident repairs and for replacing damaged or leaking glazing in a daily-driven car.

Selecting the correct glass for a specific version of the A4 B9 body is crucial for proper installation, so before purchasing, it is worth verifying compatibility with your vehicle, taking into account the installation side and the model generation.

Repair expansion and additional information

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

When planning repairs using aftermarket components, it is worth learning about the specifics of used parts and best practices for their selection – you can find practical tips in the article Used car parts for Mini Cooper – a way for style and savings, which discusses the approach to buying second-hand parts in the context of quality and cost-effectiveness.

If you are interested in a broader context of technical solutions used in the Audi range, including the differences between standard and sports versions, it is also worth reading the material Audi RS vs other models – what is hidden under the hood and chassis?, which shows how the manufacturer designs key vehicle systems with performance and durability in mind.