Audi R8 Xenon Headlight Headlamp Flat Contact Plug Right O/S 1J0973737

Audi R8 Xenon Headlight Connector Plug is a specialized lighting installation component designed for the right-hand xenon headlight in Audi vehicles. It ensures a stable electrical connection between the wiring harness and the lighting module, which translates to reliable headlight operation and proper function of the lights.

Specifications and technical data

• SKU: 420941030A-2
• Mark: Audi
• Condition: Used
• OEM Part Number: 420941030A
• Substitutable numbers: 420941030A, 420 941 030 A
• Location on the vehicle: Right
• Category: Headlight Assemblies

Purpose and Function in the Lighting System

The presented cable with a plug is a component from the Front Lights group, responsible for supplying power and control signals to the right-hand xenon headlight. A correctly selected and functional connector minimizes the risk of headlight interruptions, flickering light, or onboard diagnostic system errors.

The plug has been designed for the specific geometry of Audi xenon headlights, ensuring proper wire routing, a secure latch, and adequate protection of the contacts from external factors.

Connector Construction and Technical Aspects

The contact cable creates a complete connection: from the vehicle's wiring harness to the xenon headlight socket. The connector design includes:

• a dedicated plug housing adapted to the Audi xenon headlight,
• wire routing that limits mechanical stress during installation and operation,
• contact protection against loosening in the socket.

This configured component allows for maintaining proper electrical parameters in the headlight circuit, which is particularly important for xenon systems, sensitive to voltage drops and interference.

Vehicle Placement and Installation

The cable is intended for installation on the right side of the vehicle, within the right-hand xenon headlight assembly. In practice, this means its length, wire exit angle, and plug shape are optimized for this specific side of the car body.

Replacing a damaged connector with this part restores the correct electrical connection without the need to interfere with the entire wiring harness. For an experienced automotive electrician, installation is a predictable process and can be performed as part of standard service work on the lighting system.

Benefits of Using an Original Audi Part

Using an original solution from the Audi range helps maintain factory safety and reliability standards. Proper fit with the headlight, correct contact type, and adapted housing geometry minimize the risk of connector overheating, contact looseness, or accidental disconnection while driving.

For the user, this means stable xenon light operation, no error messages related to the headlight, and compliance with the vehicle's original installation, without the need for compromising modifications.

Product Condition and Service Application

This item is a used part, sourced from disassembly, offering a cost-effective solution for repairs of premium vehicle lighting systems. In many cases, replacing only the contact cable with the plug avoids the purchase of a complete xenon headlight, significantly reducing the overall repair cost.

This approach is particularly useful when only the connector or a section of the wire near the headlight has been damaged, while the rest of the wiring harness and the headlight itself remain functional.

If you are planning a comprehensive repair or upgrade of the front lighting zone in your Audi and need other components from the same group, such as headlights, control modules, or additional cables, check the available parts in the Audi Front Lights category.

For a broader perspective on the cost-effectiveness of using disassembled components in advanced vehicle systems, including the drivetrain and accessories, it is worth reading the guide Why Buy Used Gearboxes and Engines – Facts Instead of Myths, which discusses practical aspects of selecting parts by OEM numbers and real cost differences.