Alternator, 220 Amps, Audio System, Chevrolet Infotainment 3 Premium System With Connected Navigation, 8” Diagonal Hd Color Touchscreen, Am/Fm Stereo, Automatic Emergency Braking, Bed View Camera, Emissions, Federal Requirements, Engine Block Heater, Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel Compatible, Exhaust Brake, Following Distance Indicator, Forward Collision Alert, Gooseneck / 5Th Wheel Package, Gooseneck / 5Th Wheel Prep Package, Gvwr, 12,100 Lbs. (5488 Kg) With Single Rear Wheels, Hd Surround Vision With Two Trailer View Camera Provisions, High Country Deluxe, High Country Preferred Equipment Group, High Idle Switch, Intellibeam, Automatic High Beam On/Off, Jet Black, Perforated Leather-Appointed Front Seat Trim, Lamps, Smoked Amber Roof Marker, (Led), Lane Departure Warning, License Plate Kit, Front, Multicolor 15” Diagonal Head-Up Display, Rear Axle, 3.42 Ratio, Rear Camera Mirror, Safety Alert Seat, Safety Package Ii, Seats, Front Bucket With Center Console, For Crew Cab And Double Cab Models, Shadow Gray Metallic, Technology Package, Transmission, Allison 10-Speed Automatic, Winter Grille Cover.