Audi A4 B9 Rear LED Tail Lamp Light Taillight Left N/S 8W5945075AB

Audi A4 B9 Rear LED Tail Lamp Light Taillight Left N/S is an original lighting component from the Rear lights and brake lights group, designed for installation on the rear left side of the vehicle body. It ensures a consistent look with the factory lighting, correct signaling of maneuvers, and safe vehicle visibility on the road. This is a solution for users who expect compatibility with the factory installation and stable performance parameters of the LED system.

Specifications and technical data

• SKU: 8W5945075AB
• Mark: Audi
• Condition: Used
• OEM Part Number: 8W5945075AB
• Substitutable numbers: 8W5945075AB, 8W5 945 075 AB
• Location on the vehicle: Rear, Left
• Part type: Rear Light Assembly
• Category: Rear Light Assemblies

Purpose and vehicle placement

The presented lamp is designed as a component mounted in the rear zone, on the left side, in accordance with the factory Audi lighting layout. Its placement in the corner area of the body allows for the correct reproduction of position light, brake light, and turn signal functions, in accordance with the homologation provided for this model. Thanks to its precise fit to the body lines of the A4 B9 generation, the lamp maintains the tightness of connections with the bodywork and the trunk lid, which limits the risk of moisture ingress and affects the durability of electrical connectors.

LED technology and performance parameters

The lamp uses LED technology, which translates into:

• stable light color throughout the entire service life,
• fast response time for brake signaling,
• lower load on the electrical system compared to traditional bulbs,
• reduced need for light source maintenance. Consistent lighting characteristics are particularly important for driver assistance systems, which may use signals from the lighting to monitor the operation of safety systems. Using an original LED lamp helps maintain compliance with the vehicle's factory parameters.

Compatibility with Audi installation

As a component dedicated to Audi, the lamp works with the factory wiring harness and lighting control modules. Properly selected connectors and housing geometry facilitate installation in place of the damaged component, without the need for installation modifications or the use of additional adapters. Such a solution reduces the risk of errors in the vehicle's diagnostic system and ensures proper cooperation with functions monitoring light operation, which is important for both safety and subsequent service maintenance.

Characteristics of the used product

The lamp comes from the used parts segment, which means it was previously used in a vehicle but retains the functionality required for further use. For many users, this is a beneficial compromise between the purchase cost and maintaining the manufacturer's original specifications. Choosing an original component from the secondary market allows you to maintain a consistent look of the rear body, avoid differences in light shade, and maintain compliance with Audi's factory quality standards regarding lighting.

Benefits of using an original LED lamp

Using this lamp in an Audi A4 B9 brings a number of practical benefits:

• Reproduction of the factory look – maintaining the original styling of the rear of the vehicle.
• Consistency of light parameters – uniform intensity and color of light on both sides of the body.
• Proper cooperation with vehicle electronics – reducing the risk of system errors and lighting failure messages.
• Energy efficiency of LED technology – lower load on the electrical system. For users who want to keep the car in a configuration close to the factory one, choosing an original rear LED lamp is a technically justified and long-term stable solution. 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 light modules, additional lamps, or complete lighting assemblies, check the available parts in the Audi rear lights and brake lights category. For drivers who pay attention to the ecological aspect and want to consciously choose parts from the secondary market, it is worth reading the material describing the impact of such decisions on the environment: Sustainable automotive: How purchasing original used parts reduces the carbon footprint and protects the environment?.