Genuine OEM Audi Rear Auxiliary Stop Lamp, part number 420945097B. This lamp provides crucial additional brake light visibility to following vehicles, enhancing overall road safety. It is positioned at the rear of the vehicle, typically mounted high. Measuring approximately 0.569 meters in length, it integrates seamlessly into the vehicle's design. Choosing a genuine OEM stop lamp ensures correct light output, factory-matched wiring, and durable construction for long-lasting, reliable performance.