Audi A3 8P Cabrio Rear Tail Light Bulb Holder Socket Left Right N/O/S 8P7945221A

Audi A3 8P Cabrio Rear Tail Light Bulb Holder Socket Left Right N/O/S is an original lighting system component designed for installation in the rear part of the vehicle body. Thanks to its precise fit to the Audi design, it ensures stable bulb seating, a secure electrical connection, and reliable operation of the tail lights. It is a practical solution for both post-accident repairs and resolving lighting system faults.

Specifications and technical data

• SKU: 8P7945221A
• Mark: Audi
• Condition: Used
• OEM Part Number: 8P7945221A
• Substitutable numbers: 8P7945221A, 8P7 945 221 A
• Location on the vehicle: Rear, Right, Left
• Category: Sockets, Connectors & Wiring

Purpose and function in the lighting system

The rear tail light bulb holder is responsible for the mechanical mounting of the bulb and its electrical connection to the vehicle's wiring harness. This component operates in the rear zone of the body, on the left or right side, in the outer part of the lamp. A properly selected holder minimizes the risk of circuit interruption, light flickering, or overheating of contacts, which directly impacts driving safety and comfort.

Thanks to a design consistent with factory Audi standards, the holder works with original wires, plugs, and connectors without the need for any installation modifications. This is particularly important when servicing vehicles where maintaining consistency with the factory electrical architecture is a priority.

Construction, installation, and compatibility

The element has been designed as part of the Wires, plugs, and connectors group, meaning its construction is focused on reliable current conduction and stable connection with the rest of the installation. The used sockets and contacts are prepared to work in typical operating conditions of a tail lamp, where vibrations, temperature changes, and moisture occur.

The holder is intended for installation in the rear of the vehicle, on the left or right side, in the outer segment of the lamp. This facilitates service, as one type of component can be used in both locations, provided the lamp design in the specific vehicle is compatible with this solution. Installation involves correctly seating the holder in the lamp and plugging it into the existing wiring connectors.

Service application and benefits of choosing OE parts

Choosing an original bulb holder for the Audi A3 8P Cabrio allows for maintaining consistency of electrical parameters with the rest of the lighting system. As a result, controllers and modules monitoring light operation work in a predictable manner, without the need for adaptation or installation modifications. This solution is particularly beneficial for workshops specializing in the Audi brand and users who expect the most trouble-free installation possible.

The product from this group is suitable for:

• repairs after mechanical damage to tail lamps,
• resolving issues with intermittent or unstable bulb illumination,
• restoring the factory installation configuration after previous, unprofessional modifications.

The element comes from the Audi brand offer, which promotes maintaining proper fitment with the lamp and compatibility with factory wiring harnesses.

Characteristics of the used component

The holder comes from the used parts segment, which makes it an attractive cost alternative to new components while maintaining the original design. For many users and workshops, this is a reasonable compromise between price and maintaining compliance with factory Audi solutions. Before installation, it is recommended to perform a standard check of the condition of the contacts and sockets to ensure proper operation of the lighting system after installation.

System expansion and selection of related components

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 lamp connectors, wiring sections, or additional connections, check the available parts in the Audi wires, plugs, and connectors category.

For users interested in a wider range of vehicle modifications, including visual and mechanical tuning using dismantled components, the guide article Emotions and design – visual and mechanical tuning of a Seat using dismantled components may be helpful, as it shows how to effectively use used parts in modernization projects.