Plug Socket Mercedes W901 W903 Headlight Lamp Front Right O/S Wiring A0145456226

Plug Socket Mercedes W901 W903 Headlight Lamp Front Right O/S Wiring is an original electrical system component for the headlight, designed for installation on the passenger side. Thanks to its factory-spec design, it ensures a secure connection between the wiring harness and the headlight as well as stable operation of the front lighting, which translates into safe vehicle usage. This used OEM component allows for an economical yet technically correct repair of the lighting system.

Specifications and technical data

• SKU: A9018202961-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A9018202961
• Substitutable numbers: A9018202961, A 901 820 29 61
• Location on the vehicle: Front, Right
• Category: Headlight Assemblies

Purpose and technical function

The presented headlight socket is an electrical system component responsible for connecting the wiring harness cables to the front lamp on the right side of the vehicle. This solution provides:

• a stable electrical contact between the harness and the lamp,
• proper power supply for bulbs and modules within the headlight,
• mechanical securing of the plug in the lamp housing, reducing the risk of looseness and circuit interruptions.

Thanks to its fitment for the specific W901/W903 series vehicle generation, the socket works with the factory wiring and headlight construction without the need for modifications.

Compatibility with the front lighting system

The item belongs to the Front lights category and is intended for installation in the front part of the vehicle on the right side. Proper placement on the vehicle minimizes the risk of installation errors and facilitates lighting system maintenance. Using the original socket allows you to maintain:

• factory wire routing geometry,
• proper electrical load of the headlight circuit,
• consistency with other lighting system components.

For commercial vehicles, repeatability of lighting performance parameters is particularly important, which translates into operational safety in both urban and long-distance traffic.

Product characteristics and advantages

The original front right headlight socket was designed specifically for Mercedes vehicles, ensuring high dimensional and electrical compatibility. Key advantages of using this component include:

• OEM construction – fitment to the factory wiring and lamp housing without adaptation.
• The ability to restore full headlight functionality after damage to the socket or wires.
• Reduction of the risk of overheating and arcing thanks to the proper contact surface.
• Economical repair compared to replacing the complete lamp or the entire wiring harness.

The used component allows for a favorable cost-to-functionality ratio while maintaining the original build quality characteristic of the Mercedes brand.

Practical installation tips

When replacing the headlight socket, it is recommended to:

• thoroughly check the condition of the wires in the harness leading to the socket,
• verify the contact surfaces for signs of overheating or corrosion,
• check the correct engagement of the mechanical lock after connecting to the lamp.

After installation, it is worth performing a functional test of all headlight features (low beam, high beam, parking lights, and turn signals if applicable) to confirm the stable operation of the front lighting system.

Expanding the Mercedes front lighting system

If you are planning a comprehensive repair or modernization of the front lighting area in your Mercedes and need other items from the same group, such as lenses, housings, or complete headlights, check the available parts in the Mercedes front lights category.

Selecting used lighting components

When choosing a used headlight socket, it is worth paying attention to the condition of the housing, the absence of cracks, and the quality of the electrical contacts. A well-chosen component allows for restoring system efficiency without the need to invest in new parts. If you want to better understand the differences between new and used components, their durability, and cost-effectiveness, the following article may be helpful: New or used? A comparison of costs and quality of car parts.