Audi A4 B8 Stop Lamp Additional Third Brake Light Rear 8K5945097

Audi A4 B8 Stop Lamp Additional Third Brake Light Rear is a precisely engineered rear brake lighting component, dedicated to improving the visibility of the brake signal in your Audi. Thanks to its factory-fit design for the A4 B8 model, this component from the Main and center brake lights category ensures a consistent look and predictable lighting system performance. It is a practical solution for drivers who want to restore full functionality to their rear lighting while maintaining the vehicle's original characteristics.

Specifications and technical data

• SKU: 8K5945097
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K5945097
• Substitutable numbers: 8K5945097, 8K5 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 the Audi A4 B8 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. Positioned at the rear of the vehicle, it complements the main brake lights, improving signal clarity, especially in heavy traffic or limited visibility conditions.

Using an originally fitted rear brake light allows you to maintain:

• optical consistency with other lighting elements,
• the correct light emission angle relative to the bodywork,
• proper integration with the factory electrical system.

Construction and fitment for Audi A4 B8

The element has been designed specifically for the rear body structure of the Audi A4 B8, which translates into a precise fit with the trunk lid or the upper part of the rear body zone (depending on the body version). As a result, installation does not require any interference with the bodywork or modifications to the wiring, and the body line remains consistent with the factory design.

Key structural advantages include:

• factory fitment to the vehicle's rear geometry,
• light distribution characteristics designed for Audi,
• compatibility with the standard lighting control system.

Thanks to this, the Audi A4 B8 Stop Lamp Additional Third Brake Light Rear allows you to restore the original operating parameters of the lighting system without the need for universal solutions.

Benefits of using an original brake light

Choosing a component from the Main and center brake lights group dedicated to Audi translates into a number of practical benefits in daily vehicle operation. A properly selected third brake light:

• ensures a predictable response of the lighting system every time the brake pedal is pressed,
• reduces the risk of onboard diagnostic system errors related to incorrect circuit resistance,
• maintains the aesthetics of the rear bodywork at a level consistent with the manufacturer's design.

This solution is particularly beneficial for post-accident repairs, replacing damaged lighting, or restoring full efficiency to the optical braking system in a used car.

Application in the rear zone of the vehicle

Its placement at the rear of the vehicle means this element operates in the immediate vicinity of the trunk lid and rear window, exposed to changing weather conditions and vibrations. Using a component designed specifically for the Audi A4 B8 helps maintain stable mounting and proper sealing in this zone, which reduces the risk of moisture entering the lamp housing and the luggage compartment.

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 lights, center lighting modules, or additional signaling elements, check out the available parts in the Audi main and center brake lights category.

Practical installation and maintenance tips

When replacing the third brake light in an Audi A4 B8, it is worth paying attention to the condition of the electrical connectors and the contact surface with the bodywork. Careful inspection of these areas helps reduce potential problems with contact corrosion or leaks. After installation, it is recommended to perform a test of all brake lights to confirm the proper interaction of the new element with other system components.

For drivers interested in a broader approach to vehicle upgrades, including improving performance and driving characteristics, the tuning guide available in the article How to increase engine power: a practical guide to engine tuning with used parts may be helpful.

Summary

Audi A4 B8 Stop Lamp Additional Third Brake Light Rear is a functional, dedicated rear lighting element that allows you to restore full brake signal clarity and maintain the vehicle's factory character. Thanks to its fitment to the body structure and integration with the Audi electrical system, it is a rational choice for repairs and renovations of the rear zone, ensuring trouble-free operation and a consistent appearance of the car.