Audi A6 C6 Rear Light Outer Lamp Left N/S Bulb Carrier Holder Mount 4F9945221C

Audi A6 C6 Rear Light Outer Lamp Left N/S Bulb Carrier Holder Mount is an original component from the Rear lights and brake lights group, designed for the rear left lamp of the Audi A6 C6 generation. The precise bulb holder ensures stable seating of the light source, which translates into a clear light signal and safe vehicle operation.

Specifications and technical data

• SKU: 4F9945221C
• Mark: Audi
• Condition: Used
• OEM Part Number: 4F9945221C
• Substitutable numbers: 4F9945221C, 4F9 945 221 C
• Location on the vehicle: Rear, Left
• Category: Rear Light Assemblies

Purpose and function of the component

The rear left outer lamp bulb holder is responsible for the secure and repeatable positioning of the bulb in the housing. Proper seating eliminates the risk of looseness, light flickering, and contact overheating, which is important for both the durability of the installation and the clarity of light signals for other road users.

The component was designed specifically for the rear lighting zone of the Audi A6 C6, ensuring it maintains factory geometry, proper bulb guidance, and compatibility with the original lamp and electrical wiring.

Benefits of using an original mount

Using an original bulb holder in the Audi A6 C6 allows you to maintain the consistency of the lighting system with the manufacturer's factory specifications. A properly fitted component:

• ensures a stable connection between the bulb, the housing, and the electrical system,
• reduces the risk of contact overheating and localized plastic scorching,
• facilitates bulb replacement during service without the need for modifications,
• helps maintain the correct light distribution in the rear left lamp.

As a result, the lighting system remains clear, and the vehicle meets the requirements for visibility and signaling maneuvers.

Installation characteristics

The mount is intended for installation in the rear left lamp of the Audi A6 C6, in the area of the outer bulb. The design, matched to the factory lamp, allows for installation in the location provided by the manufacturer, without the need to interfere with the lamp housing or the wiring harness. This is a beneficial solution for both workshops and users servicing the lighting themselves.

The component from the Rear lights and brake lights category allows you to restore the proper operation of the lamp after the original mount has been damaged, e.g., as a result of overheating, contact corrosion, or mechanical cracking.

Condition and service application

The offered bulb holder is a used component, making it an attractive service solution for users looking for a reasonable compromise between repair costs and maintaining the original Audi specification. Replacing a damaged mount with an original component of this type allows you to avoid makeshift repairs that could lead to unstable lighting operation or recurring faults.

This approach is particularly beneficial during comprehensive rear lamp maintenance, when it is necessary to simultaneously check sockets, wires, and the condition of the bulbs.

Expanding Audi lighting service

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 lenses, lamp inserts, or additional light modules, check the available parts in the Audi rear lights and brake lights category.

If you are interested in the broader context of using used components in vehicle service and want to better understand the economic advantages of such solutions, it is worth reading the article Smart Skoda servicing – why second-hand parts are the best choice for your wallet, which discusses the practical aspects of choosing second-hand elements in everyday car operation.