The Kenworth And Peterbilt 2006 And Newer Reservoir Secondary Smart Gauge is a practical and efficient product designed for Kenworth and Peterbilt models from 2006 and onwards. This smart gauge is available in green, red, and blue, and is sold individually. With its plug and play feature, it easily fits most Kenworth and Peterbilt models, making it a convenient choice for truck owners. Its user-friendly design and compatibility make it a reliable and beneficial addition to any truck's reservoir system.