Audi A4 S4 B9 Rear Third Brake Light Lamp 8W5945097E

Audi A4 S4 B9 Rear Third Brake Light Lamp is an original component from the Rear lights and brake lights group, designed for installation in the rear part of the vehicle body. Engineered by the manufacturer for precise integration with Audi electronics, it ensures a consistent appearance and proper braking signaling. This is a practical solution for users who want to restore full functionality to their vehicle's lighting system.

Specifications and technical data

• SKU: 8W5945097E
• Mark: Audi
• Condition: Used
• OEM Part Number: 8W5945097E
• Substitutable numbers: 8W5945097E, 8W5 945 097 E
• Location on the vehicle: Rear
• Category: Rear Light Assemblies

Purpose and function of the third brake light

The third brake light mounted at the rear of the vehicle increases the visibility of the braking signal for drivers behind, which translates into a higher level of safety in urban traffic and on the road. This component works with the factory Audi electrical system, ensuring a stable light signal and predictable system response time.

In an Audi A4 / S4 B9 class vehicle, a properly functioning third brake light is essential both from a safety perspective and for regulatory compliance. Replacing a damaged module with an original component allows you to maintain the stylistic consistency of the rear bodywork and avoid issues during periodic technical inspections.

Construction and body fitment

The element in question has been designed specifically for the rear body zone, taking into account the shape of the trunk lid and the body lines of the Audi A4 / S4 B9 generation models. This results in:

• precise fitment with factory mounting holes,
• proper sealing at the installation point,
• uniform appearance with the other rear lights.

The original design helps maintain the correct light beam geometry, which improves the visibility of the braking signal for vehicles following behind. This is particularly important during intensive vehicle use, e.g., in highway traffic.

Benefits of using an original Audi brake light

Using an original third brake light in an Audi A4 / S4 B9 offers a number of practical advantages. The most important include:

• Compatibility with the electrical system – the component works with factory connectors and controls, which limits the risk of errors in the lighting system.
• Visual consistency of the rear of the vehicle – the color and lighting characteristics are matched to the other rear lights.
• Stable operation under typical operating conditions, including frequent braking in urban traffic.
• The ability to restore full functionality of the lighting system without the need for body modifications.

For users who value technical correctness and aesthetics, choosing an original component is a solution that allows the vehicle to be maintained in a configuration close to the factory standard.

Condition of the item and installation aspects

The offered third brake light is a used item, which represents a favorable compromise between cost and maintaining the manufacturer's original specifications. This type of component is particularly interesting for post-accident repairs or replacing a damaged module when the priority is matching the specific Audi model.

The location in the rear of the vehicle facilitates service access, and the use of factory mounting points allows for installation without interfering with the body structure. In practice, this translates into shorter workshop time and a lower risk of problems with leaks or improper lamp alignment.

Expanding the Audi lighting system

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 combination lamps, additional brake lights, or license plate lighting modules, check out the available parts in the Audi rear lights and brake lights category.