This side marker light socket assembly with wiring and bulb is designed for 1972–2006 Jeep CJ5, CJ6, CJ7, CJ8, Wrangler YJ, Cherokee XJ, and Comanche MJ models, providing a direct replacement for OE part number 5455853K and aftermarket reference 12401.19. It restores proper side marker light function with a complete plug-and-play solution. This assembly includes the light socket, wiring pigtail, and bulb, allowing for full replacement of worn or damaged components. Over time, original sockets and wiring can corrode, crack, or lose connection, resulting in intermittent or non-functioning lights. Engineered for a precise fit, this assembly installs in the factory location and connects directly to the existing wiring system for straightforward replacement. Constructed from durable materials, this component is designed to withstand exposure to weather, heat, and vibration while maintaining reliable electrical performance. Ideal for replacing failed or deteriorated lighting components, this assembly helps restore proper side marker illumination and ensures consistent operation.