Audi A4 B9 Rear Tail Light Lamp Connector Plug Wire Outer Right O/S 8W5945076A

Audi A4 B9 Rear Tail Light Lamp Connector Plug Wire Outer Right O/S is an original electrical installation component designed to support the right, outer tail light in the Audi A4 B9 generation model. Thanks to the factory connector geometry and the correctly selected pin configuration, it ensures a stable electrical connection and proper operation of the vehicle's rear lighting. Using an OEM component allows for a technically correct repair without the need for wiring modifications.

Specifications and technical data

• SKU: 8W5945076A-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8W5945076A
• Substitutable numbers: 8W5945076A, 8W5 945 076 A, 2SK012248, 2SK 012 248
• Location on the vehicle: Rear, Right
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and function in the vehicle

The presented plug is dedicated to the rear lighting area on the right side, where it is responsible for connecting the lamp to the main body electrical harness. A correctly selected connector minimizes the risk of:

• power interruptions to individual lamp functions,
• lighting error messages on the instrument cluster,
• overheating or oxidation of contacts during long-term operation.

By maintaining the factory connection standard, installing the plug allows for restoring full functionality of the tail light without interfering with the installation structure.

Connector construction and technical aspects

The plug has been designed specifically for the Audi lighting system, taking into account the current loads typical for tail lights. The housing made of weather-resistant plastic protects the contacts from moisture and dirt, and properly shaped guides ensure a clear, error-free connection to the lamp.

The pin layout is consistent with the factory specification, which enables the correct operation of all lamp functions – from position lights, through turn signals, to the brake light (depending on the configuration of the specific lamp in a given vehicle). Using an original connector reduces the risk of contact overheating and accidental loosening of wires during operation.

Benefits of using an original plug

Choosing an element such as the Audi A4 B9 rear tail light plug in the OEM version brings a number of practical advantages:

• secure fit to the lamp and harness without the need for custom adapters,
• preservation of the factory electrical installation routing,
• reduction of the risk of errors in the vehicle's diagnostic systems,
• easier identification and service in the future thanks to compliance with manufacturer documentation.

The used OEM element is a reasonable compromise between repair cost and maintaining original build quality and compatibility with other lighting system components.

Selection, installation, and vehicle compatibility

Before installation, it is recommended to verify compatibility with the specific equipment version of the Audi A4 B9, especially regarding the type of tail light used. A correctly selected plug allows for installation in a plug-and-play manner, limiting work to properly connecting the wires and plugging the connector into the lamp.

During installation, it is worth paying attention to:

• the condition of the contacts on the harness and lamp side,
• correct wire routing to avoid mechanical stress,
• the tightness of the connection in the body area exposed to moisture.

Such an approach allows for maintaining the stability of the rear lighting system in the long term.

Knowledge expansion and related elements

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 additional connectors, harness fragments, or mounting accessories, check the available parts in the Other Audi category.

For a better understanding of the structural differences between individual model lines and the impact of applied solutions on electrical and lighting systems, it is worth reading the article Audi RS vs other models – what is hidden under the hood and chassis?, which discusses key technical differences and helps in consciously selecting components for specific Audi versions.