Audi A4 RS4 B8 Avant Rear Brake Light Auxiliary Third Stop Lamp Light 8K9945097

Audi A4 RS4 B8 Avant Rear Brake Light Auxiliary Third Stop Lamp Light is an original component from the Main and auxiliary brake lights group, designed for installation in the rear part of the vehicle body. This used third brake light lamp ensures a factory fit, a consistent look, and proper braking signaling, which translates into safe and comfortable vehicle operation.

Specifications and technical data

• SKU: 8K9945097
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K9945097
• Substitutable numbers: 8K9945097, 8K9 945 097
• Location on the vehicle: Rear
• Category: Centre & Third Brake Light Assemblies

Purpose and function of the third brake light

The third brake light in Audi A4 and RS4 B8 Avant models plays an important role in communicating with other road users, increasing the visibility of the braking signal at the eye level of drivers behind you. Thanks to its installation in the rear of the vehicle, the light signal is clearly legible both day and night, as well as in more difficult weather conditions.

The element has been designed as an integral part of the rear structure, which allows for maintaining the stylistic consistency of the body and the correct geometry of the light beam. The appropriate optics design reduces glare while providing a clear, uniform signal for vehicles following you.

Construction and fitment for Audi A4 / RS4 B8 Avant

The third brake light lamp has been constructed specifically for the Avant body in the B8 generation, which translates into a precise fit with the tailgate and factory mounting points. This means there is no need for bodywork or electrical system modifications – the component works with the vehicle's original lighting system.

A properly shaped housing and lens ensure a tight fit in the body, which helps reduce the risk of moisture entering the lamp and the mounting space. This maintains the stability of light parameters and the aesthetic appearance of the rear of the car.

Benefits of using an original brake lamp

Using an original third brake light in an Audi A4 RS4 B8 Avant brings a number of practical advantages:

• factory fit for the body and electrical system,
• consistent look with other rear lighting elements of the vehicle,
• correct lighting characteristics in accordance with homologation requirements,
• stable operation under typical road conditions.

The used component allows for an economical repair of the lighting system while maintaining the manufacturer's original specifications. This solution is particularly beneficial when replacing a damaged lamp after a collision or failure, when you want to maintain the factory standard of workmanship.

Condition, installation, and application in the rear of the vehicle

The offered third brake light is a secondary market component, which enables cost-effective restoration of the full functionality of the rear lighting. Its location in the rear zone of the vehicle means that the component operates under conditions of exposure to temperature changes, moisture, and vibrations, which is why choosing an original solution is important for the durability of the entire system.

Installation in the rear part of the body is intended as a replacement of the element in existing mounting points, using the factory wiring harness. Thanks to this, the time needed to restore the efficiency of the lighting system is limited, and the risk of compatibility problems is minimized.

Lighting system expansion and ecological aspects

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 additional brake lamps, center lights, or other signaling modules, check the available parts in the Audi main and auxiliary brake lights category.

Choosing a used, original component is also in line with an approach to automotive maintenance based on the reuse of functional parts. If you want to better understand how such decisions affect vehicle performance and the reduction of the carbon footprint, it is worth reading the article Eco-tuning in practice: how to increase performance while reducing your carbon footprint with recycled parts.