Upgrade your Kenworth or Peterbilt interior dome light with the Kenworth/Peterbilt Interior Dome Light Female Plug. This plug fits most Kenworth T600, T660, T680, T800, and W900 makes and models, as well as most Peterbilt 579 makes and models. With a focus on practicality and compatibility, this plug is a perfect fit for T600, T660, T680, T800, W900, and Pete 579 models. Enhance your interior lighting with this easy-to-install, high-quality plug.