Smart Fortwo 451 Taillight Plug Socket Lamp Light Wiring Rear Left N/S

The Smart Fortwo 451 Rear Lamp Plug Socket Wiring Harness Left Rear is an original electrical system component designed to service the driver's side rear lighting. It ensures a stable connection between the lamp and the vehicle's wiring harness, which translates to reliable operation of the rear and brake lights. This is a practical solution for users who want to restore full lighting functionality without the costly replacement of the entire lamp.

Specifications and technical data

• SKU: A4518200364-1
• Mark: Smart
• Condition: Used
• OEM Part Number: A4518200364
• Substitutable numbers: A4518200364, A 451 820 03 64
• Location on the vehicle: Rear, Left
• Category: Rear Light Assemblies

Purpose and Function in the Lighting System

The presented plug with socket and wiring harness is a component from the Rear Lights and Brake Lights group, responsible for the electrical connection of the lamp to the vehicle's system. Its placement on the vehicle is the rear left side, allowing for precise matching to the specific lamp in the Smart Fortwo 451 model. A correctly chosen element of this type limits the risk of circuit interruption, flickering bulbs, or malfunctions in the brake and position lights.

Connector Construction and Benefits of Use

The plug with socket and a section of wiring harness forms a ready-to-install module that facilitates the repair of damaged wiring near the lamp. Using an original solution dedicated to the Smart Fortwo 451 allows for maintaining:

• correct signal routing to individual lamp functions (position light, brake light, turn signal – according to the specific lamp's configuration),
• a stable mechanical connection with the lamp housing,
• appropriate sealing of the connector within the lamp assembly.

This enables the repair of a damaged connector, melted contacts, or a broken wire to be carried out in an organized manner, without the need to interfere with the rest of the harness.

Practical Application in Servicing

The Smart Fortwo 451 is a city car where rear lamps are often exposed to moisture, road salt, and vibrations. In such conditions, electrical connectors can suffer from corrosion, overheating, or mechanical damage. Using a dedicated plug with wiring harness allows for:

• rectifying local damage without replacing the complete lamp,
• restoring proper light operation after bodywork and paint repairs,
• reducing the risk of recurring electrical contact problems within the lamp assembly.

This solution is particularly useful in workshops specializing in the Smart brand and for users who service their vehicles independently and expect a reliable and repeatable repair outcome.

Component Condition and Installation Aspects

The offered plug with socket and wiring harness is a used part from disassembly, which ensures compatibility with the vehicle's original installation. A used element of this type is often a cost-effective choice when only the harness end at the lamp is damaged, and the rest of the system remains functional. Installation typically involves correctly connecting the wires to the existing harness and plugging the connector into the lamp, ensuring proper routing and protection of the wire against strain.

Part Selection by OEM Number and Purchase Support

To ensure that the selected plug socket wiring harness is compatible with your specific Smart Fortwo 451 version, it is advisable to verify compatibility using the OEM number or vehicle details. A practical guide describing step-by-step how to check the compatibility of used parts with a car's electrical system can be helpful – you can find it in the article Guide: How to Select the Right Car Part by VIN and OEM Number.

If you are planning a comprehensive repair or upgrade of the rear lighting area in your Smart and need other parts from the same group, such as bulb holders, complete lamps, or additional wiring harnesses, check the available parts in the Smart Rear Lights and Brake Lights category.