Bulb Holder Audi A3 S3 8P Rear Inner Left N/S Socket Tailgate 8P4945257C

Bulb Holder Audi A3 S3 8P Rear Inner Left N/S Socket Tailgate is an original component from the Rear lights and brake lights group, designed for installation on the left side of the rear bodywork. It ensures stable bulb seating, proper light signal transmission, and a secure connection to the vehicle's electrical system, which translates into clear signaling for other road users.

Specifications and technical data

• SKU: 8P4945257C
• Mark: Audi
• Condition: Used
• OEM Part Number: 8P4945257C
• Substitutable numbers: 8P4945257C, 8P4 945 257 C
• Location on the vehicle: Rear, Left
• Category: Rear Light Assemblies

Purpose and function in the lighting system

The presented bulb holder is dedicated to the rear, left side of the vehicle, where it is responsible for holding and powering the bulbs in the tail light assembly. As an original Audi component, it maintains the correct mounting geometry and compatibility with the factory wiring harness, which facilitates installation and reduces the risk of electrical contact issues.

The holder is an essential component of the signaling system – proper bulb seating is crucial for uniform illumination, preventing flickering, and ensuring the correct operation of position lights, brake lights, or turn signals in the given lamp. By maintaining factory design parameters, this element allows for restoring proper lighting operation after damage or wear of the previous holder.

Construction and mounting fitment

The holder has been designed as a part matched to the specific tail light in Audi A3 / S3 8P generation models. The construction provides properly spaced bulb sockets and mounting points, which allows for precise seating in the lamp housing without the need for modifications. The applied design solutions ensure:

• stable retention of bulbs in the sockets,
• secure routing of electrical contacts,
• correct positioning relative to the lamp lens.

Thanks to this, the holder works with the vehicle's factory installation, and the replacement process is limited to removing the old holder and installing the new component in the same place.

Component condition and service application

The product is marked as used, which in practice means it comes from dismantling but retains the functionality required for further operation. This is a solution often chosen by professional workshops and conscious users who want to restore the efficiency of the lighting system while maintaining a favorable cost-to-quality ratio.

Thanks to its original origin, the bulb holder works well both for typical repairs after mechanical damage to the lamp and for replacing the element due to problems with intermittent contact or overheating of the contacts. Maintaining factory specifications promotes seamless cooperation with the vehicle's electronics.

Placement on the vehicle and benefits of correct selection

The element is intended for installation in the rear – left side area, which is important when selecting parts for different lamp variants in a given body generation. Proper matching of the holder to the specific side of the vehicle minimizes the risk of leaks, mounting play, and errors in the operation of individual light functions.

Choosing an original bulb holder allows you to:

• maintain the consistency of the electrical installation with the factory design,
• reduce the time required for installation and diagnostics,
• increase the reliability of the rear and brake lights.

Selection support and related elements

If you are planning a comprehensive repair or modernization of the rear lighting zone in your Audi and need other elements from the same group, such as tail light assemblies, light modules, or additional holders, check the available parts in the Audi rear lights and brake lights category.

For drivers interested in broader topics of operation and potential repair costs of power units in other models, the following guide article may be helpful: BMW E90 problematic engines – a practical guide to troublesome units, which shows how a conscious approach to service allows for reducing unplanned expenses.