Audi A4 B9 Rear Middle Centre Top Third Brake Stop Lamp Light 8W5945097

Audi A4 B9 Rear Middle Centre Top Third Brake Stop Lamp Light is an original component from the Main and center brake lights group, designed for installation in the rear part of the vehicle body. It provides clear, highly visible braking signaling, improving driving safety and signal readability for drivers behind you. This is a practical solution for users who want to maintain factory functionality and a consistent look for the rear brake light in their Audi.

Specifications and technical data

• SKU: 8W5945097
• Mark: Audi
• Condition: Used
• OEM Part Number: 8W5945097
• Substitutable numbers: 8W5945097, 8W5 945 097
• Location on the vehicle: Rear
• Part type: Third Brake Light Assembly
• Category: Centre & Third Brake Light Assemblies

Purpose and function in the vehicle

The third brake light in the Audi A4 B9 plays an important role in the vehicle's rear lighting system. Positioned high in the rear of the body, it increases the visibility of the braking signal, especially in heavy traffic and during adverse weather conditions. As a result, drivers behind you react faster to speed changes, which reduces the risk of rear-end collisions.

The component has been designed specifically for this model, which means proper fitment to the body lines, correct sealing, and compatibility with the factory electrical installation. Stable operation and predictable behavior of the lighting system translate into comfort and compliance with road traffic regulations.

Construction and fitment for Audi A4 B9

The third brake light is structurally integrated with the rear of the vehicle, requiring precise alignment with the trunk lid or the upper part of the rear window (depending on the body version). The original design ensures:

• appropriate housing shape and geometry,
• correct mounting points,
• adaptation to the factory electrical connector,
• even distribution of the light beam.

Thanks to this, the installation process is straightforward, without the need for bodywork or wiring modifications. Factory fitment for Audi minimizes the risk of leaks, vibrations, and improper illumination.

Characteristics of the used component

The offered third brake light is a used part, which in practice means it comes from a vehicle disassembly and has been verified for further serviceability. This type of component is a good choice for drivers who want to restore full functionality to the lighting system while maintaining reasonable maintenance costs.

In the case of brake lights, it is crucial to maintain proper light intensity and even light distribution across the entire length of the lamp. A used, fully functional component allows you to maintain a consistent look for the rear of the vehicle, without differences in color or brightness compared to the other lamps.

Installation and service aspects

The third brake light in the Audi A4 B9 is intended for installation in the rear body zone, using factory mounting points. In practice, this means:

• the possibility of removing the old component without interfering with the body structure,
• installation of the new lamp in existing mounting holes,
• connection to the original electrical harness,
• maintaining the correct operation of the brake light indicator in the vehicle.

When replacing, it is worth paying attention to the condition of the seals and the correct routing of wires to prevent moisture from entering the body interior. A properly installed third brake light operates stably and does not require additional adjustment.

If you are planning a comprehensive repair or upgrade of the rear lighting zone in your Audi and need other elements from the same group, such as main brake lamps, center light modules, or additional signaling segments, check the available parts in the Audi main and center brake lights category.

Safety and regulatory compliance

A functional third brake light has a direct impact on driving safety, especially in urban traffic and on expressways. An original component from the brake lighting group ensures the appropriate color and light intensity, which makes it easier for other road users to read the braking signal.

For drivers considering the use of second-hand components in other vehicle systems, our guide on the differences between stock and sports parts, as well as the principles of selecting parts from the secondary market, may be helpful – more information can be found in the article Stock vs. sports suspension – design differences and is it worth buying used suspension parts?.