WINTER GRILLE COVER, WHEELS, 20 (50.8 CM) MULTI-DIMENSIONAL POLISHED ALUMINUM (STD), TRANSMISSION, ALLISON 10-SPEED AUTOMATIC, TRAILER TIRE PRESSURE MONITOR SENSORS includes set of 4 sensors. Sensor functionality requires (U1D) In-vehicle Trailering App to be ordered with the vehicle and installed by the factory. Sensors will be shipped loose with the truck and will need to be installed on trailer by customer. System is capable of monitoring up to 6 wheels. Additional or replacement sensors are available through GM Accessories, TIRES, LT275/65R20 ALL-TERRAIN, BLACKWALL (STD), TIRE, SPARE LT275/70R18 ALL-TERRAIN, BLACKWALL (STD), SUNROOF, POWER, SINGLE REAR WHEELS (STD), SEATS, FRONT BUCKET WITH CENTER CONSOLE (STD), REAR AXLE, 3.42 RATIO. This GMC Sierra 3500HD has a powerful Turbocharged Diesel V8 6.6L/ engine powering this Automatic transmission. This GMC Sierra 3500HD Denali Has Everything You Want LPO, HITCH PACKAGE Gooseneck ball and chain tiedown kit with case, (dealer-installed), LPO, GMC PROTECTION PACKAGE includes (RIA) all-weather floor liner, LPO and (VQK) front and rear Black molded splash guards, LPO, (dealer-installed), GOOSENECK / 5TH WHEEL PREP PACKAGE -- Hitch platform to accept Gooseneck or 5th Wheel hitch. Includes hitch platform with tray to accept ball, stamped bed holes with removable caps installed and bed mounted 7-pin trailer harness (similar to UY2 harness). , NOT EQUIPPED WITH HEATED SECOND ROW OUTBOARD SEATS see dealer for details (Certain vehicles built on or after 7-26-2021 will include (RGJ) Not Equipped with Heated Second Row Outboard Seats, which removes (KA6) Heated Second Row Outboard Seats.), LPO, REAR UNDERSEAT STORAGE composite storage bin and lockable lid, (dealer-installed), LPO, FRONT AND REAR MOLDED SPLASH GUARDS, BLACK (dealer-installed), LPO, ALL-WEATHER FLOOR LINER, 1ST AND 2ND ROWS (dealer-installed), LICENSE PLATE KIT, FRONT, JET BLACK, FORGE PERFORATED LEATHER SEATING SURFACES, GVWR, 12,250 LBS. (5557 KG) WITH SINGL