Audi A3 S3 8V Sportback Tail Light Left N/S LED Rear Lamp Taillight 8V3945091

Audi A3 S3 8V Sportback Tail Light Left N/S LED Rear Lamp Taillight is an original component from the Rear lights and brake lights group, designed for installation on the driver's side. Thanks to LED technology, it provides clear signaling on the road, improving safety while maintaining the factory look of the Audi bodywork.

Specifications and technical data

• SKU: 8V3945091
• Mark: Audi
• Condition: Used
• OEM Part Number: 8V3945091
• Substitutable numbers: 8V3945091, 8V3 945 091
• Location on the vehicle: Rear, Left
• Category: Rear Light Assemblies

Application and fitment for Audi A3 / S3 8V Sportback

The presented rear lamp has been designed specifically for Audi A3 and S3 8V generation Sportback models, intended for the rear left side of the vehicle. The construction based on the original Audi design guarantees a proper fit to the body lines, correct adhesion to the bodywork, and compatibility with the original mounting points.

Thanks to this, the installation process is straightforward – without the need for modifications to the wiring or interference with the bodywork. This is particularly important for post-accident repairs, where maintaining body geometry and correct panel gaps is essential.

LED technology and function in the lighting system

The lamp belongs to the Rear lights and brake lights group, responsible for clear position and braking signaling for vehicles behind you. The use of LED technology translates into:

• fast activation of the brake light, which improves the reaction time of drivers behind you,
• even distribution of the light beam within the lens,
• stable light color matched to Audi standards.

The original design of the optics and internal electronics ensures compliance with the vehicle's factory parameters, which is important both for safety and for the correct operation of onboard systems monitoring the lighting.

Characteristics of the used component

The offered lamp is a used component, which allows for an economical repair while maintaining original Audi quality. Such components are frequently chosen for body and paint repairs when the priority is combining reasonable costs with the factory appearance of the vehicle. A used OEM component usually fits better into the existing body structure than replacements with different geometry or a different lens shade.

In practice, this means the ability to restore a consistent look to the rear of the car, without visible differences in shape or lighting characteristics between the left and right sides.

Benefits of using an original Audi rear lamp

Using an original LED lamp on the left rear side of the vehicle brings a number of practical benefits:

• Factory fitment – compatibility with the body lines and mounting points of the Audi A3 / S3 8V Sportback.
• Consistent light signaling – identical lighting pattern to the other lamps, with no differences in color or intensity.
• Support for safety systems – correct cooperation with the electrical installation and light control in the vehicle.
• Reasonable repair cost – a used OEM component allows for reduced expenses while maintaining high build quality.

For workshops and users, this means faster repair completion and a lower risk of problems with fitment or errors in the vehicle's diagnostic system.

Support with selection and additional information

Key identification data is available in the product description, such as SKU (), OEM Part Number (), and Reference Numbers (), which facilitate verification of compatibility with a specific Audi version. Information about the manufacturer can be found in the Brand field (), and the nature of the product is defined by the Condition parameter (). Additionally, precise determination of the mounting position is provided by the Placement on vehicle attribute ().

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 fog lights, additional LED modules, or complete light assemblies, check the available parts in the Audi rear lights and brake lights category.

To better plan your repair and understand how using used OEM components affects vehicle downtime and service costs, it is worth reading the article: Availability of car parts off-the-shelf vs. repair time – how do used OEM parts shorten workshop stays?.