Description
Audi A4 B9 A5 F5 RS5 F5 12V Cigarette Lighter Socket Wiring Harness is an original part from the Car Sockets & Lighters group, designed for powering 12V accessories in Audi vehicles. The set includes a socket and a wiring harness, which facilitates installation and allows for maintaining the factory standard of the electrical system.
Specifications and technical data
- SKU: 4M0919309B
- Mark: Audi
- Condition: Used
- OEM Part Number: 4M0919309B
- Substitutable numbers: 4M0919309B, 4M0 919 309 B, 4G0919321, 4M0919340
- Category: Power Outlets & Lighters
Purpose and Function of the 12V Cigarette Lighter Socket
The presented 12V cigarette lighter socket with wiring harness is an electrical system component responsible for safely powering additional devices such as chargers, dashcams, or navigation systems. Thanks to its factory design, the correct socket diameter, appropriate mounting depth, and stable wire routing are maintained, which reduces the risk of overheating and unstable contact.
This solution is ideal for replacing a damaged factory socket as well as for restoring full functionality of interior equipment in Audi A4 B9, A5 F5, and RS5 F5 models where compatibility with the original installation is required.
Set Construction and Design Advantages
The set includes a 12V socket and a dedicated wiring harness, which ensures consistency with the vehicle’s factory wiring. The connectors used are prepared to work with the original Audi installation, which simplifies installation and reduces the need for electrical modifications.
- factory connectors adapted to the Audi installation,
- stable mounting of the socket in the panel or console,
- adapted for standard 12V onboard voltage,
- preservation of the original vehicle interior aesthetics.
Thanks to this design, the socket with wiring allows for maintaining installation consistency and minimizes the risk of installation errors, which is particularly important in modern vehicles with complex electronics.
Benefits of Using an Original Audi Part
Choosing an original 12V cigarette lighter socket with wiring for Audi translates into a number of practical benefits. The part is designed for specific models, ensuring proper fit with the center console or other interior elements and correct wire routing.
- secure fit to factory mounting points,
- compatibility with original installation plugs,
- preservation of 12V accessory power functionality,
- reduction of the risk of electrical errors resulting from adapting universal solutions.
Using an OEM part allows for restoring the functionality of the accessory power system without resorting to replacements with uncertain parameters, which is important from the perspective of installation durability and safety.
Selection by OEM Number and Vehicle Compatibility
When selecting a 12V cigarette lighter socket with wiring for a specific Audi model, it is crucial to compare the OEM part number and interchangeable numbers with the vehicle’s documentation or existing installation. This helps avoid problems with mechanical and electrical compatibility, especially in the case of different interior equipment versions.
To facilitate correct selection, it is advisable to use the practical tips described in the article Guide: How to Choose the Right Car Part by VIN and OEM Number, which details the process of verifying part compatibility, a list of questions for the seller, and how to check parameters.
Expanding the 12V Power System in Audi
If you are planning a comprehensive repair or upgrade of the 12V accessory power zone in your Audi and need other parts from the same product group, such as additional sockets, adapters, or power harnesses, check the available parts in the Audi Car Sockets & Lighters category.
Using parts from the same product group allows for maintaining the technical consistency of the installation, simplifies assembly, and promotes the maintenance of a uniform interior equipment standard across the entire range of Audi models.






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