Audi A4 B9 Avant Tail Light Outer Rear Left N/S Lamp 8W9945091C

Visual condition of the part

The product shows signs of use visible in the photos.

Audi A4 B9 Avant Tail Light Outer Rear Left N/S Lamp is an original 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 for the rear of the vehicle, proper light signaling, and a perfect fit with the factory Audi installation, which facilitates service and replacement of the damaged lighting module.

Specifications and technical data

• SKU: 8W9945091C
• Mark: Audi
• Condition: Used
• OEM Part Number: 8W9945091C
• Substitutable numbers: 8W9945091C, 8W9 945 091 C
• Location on the vehicle: Rear, Left
• Category: Rear Light Assemblies

Purpose and function in the vehicle

The described lamp is a component mounted in the rear part of the vehicle on the left side, in the outer segment of the tailgate and fender lighting assembly. It is responsible for the vehicle's visibility on the road, the proper operation of the position and brake lights, and the consistency of light signals with the other lamps in the Audi A4 B9 Avant.

Thanks to a design compliant with factory Audi standards, the lamp works with the vehicle's original electrical system, maintaining the correct light beam geometry and aesthetic fit to the estate body lines.

Construction and fit for Audi A4 B9 Avant

This rear lamp has been designed specifically for the B9 generation Avant body, taking into account the shape of the fender, body contours, and the characteristic Audi light signature. The housing and lens form a sealed module that, when properly installed, creates a continuous line of lighting with the inner lamp on the tailgate.

The original Audi origin means maintaining factory mounting points, proper connector sockets, and compatibility with the vehicle's diagnostic systems. This facilitates service installation and reduces the risk of error messages in the light control system.

Condition, service application, and benefits of installation

The item is offered as a used part, which allows for an economical repair of the lighting system while maintaining original manufacturing quality. This is a practical solution in case of mechanical damage, lens cracks, or failure of the light module after a collision or impact to the rear of the vehicle.

Replacing it with an original lamp from the same model series allows you to:

• maintain a consistent look of the rear bodywork,
• preserve the correct operation of the position and brake light functions,
• minimize the risk of leaks and fogging thanks to factory design solutions,
• reduce installation time thanks to matched mounting points and connectors.

Audi rear lights and brake lights – expansion and completion

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 tailgate light modules, additional lamp segments, or complete lighting assemblies, check the available parts in the Audi rear lights and brake lights category.

Operation and economic aspects

The selection of original lighting components is important not only for safety but also for the long-term operating costs of the vehicle. Using factory lamps reduces the risk of problems with the electrical system, leaks, or incorrect light color and intensity, which may affect the results of technical inspections.

For drivers interested in optimizing service costs and a conscious approach to repairs, practical guides can be helpful. In this context, it is worth reading the material: Economical operation of a Ford – where to look for the greatest savings in mechanical and body repairs, which shows how the approach to original parts can affect the user's budget in other brands as well.

Summary

Audi A4 B9 Avant Tail Light Outer Rear Left N/S Lamp is a functional, factory-fitted component from the Rear lights and brake lights group, designed for installation in the rear left part of the vehicle. Choosing an original component allows you to restore the proper operation of the lighting, maintain a consistent body appearance, and uphold the safety standards provided by the manufacturer, Audi.