WT - 1WT5DY - Electrical Provisions, Rear of Frame719 - Seat Belt, Black9L7 - Accessory Electrical SwitchesA52 - Seats: Front 40/20/40 Split-Bench, Cloth, 3-PassengerAKO - Glass, Deep TintedAU3 - Door Locks, PowerBG9 - Floor Covering: Rubberized Vinyl, BlackC49 - Defogger, Rear Window, ElectricC99 - Air Bag Deactivation Switch, Front, Passenger-sideE01 - Assist Steps, BlackF0C - Axle to End of Frame, 49"FNP - Front Fender Extension, Painted Body ColorFSN - Front Suspension, 8000 lbs.FTO - Axle Lubricant, Rear, SyntheticG68 - Shock Absorbers, RearGAZ - Summit WhiteH2Q - Vinyl, Jet Black / Dark Ash, Interior TrimJ27 - Rear Axle, 15,500lbK05 - Heater Engine BlockK40 - Engine Brake-ExhaustKI4 - 110 Volt Electrical Receptacle, In CabKW5 - Alternator, 220 AMPMI0 - RDS A1750RDS, PTO, GVWR 19.5K Max, GCWR 37K MAXN4C - Emission, 50 StateNPK - Exhaust System, Right Side Exit, Ahead of Rear WheelsPTO - Engine Control-Power Take Off (PTO) ControlsPWY - Wheel, 19.5" x 6.75", Spare, Steel, BlackR7N - 5500 HD SeriesTG5 - Compact Disc & MP3 PlayerTRW - Provision, for Cab Roof Mounted Lamp / BeaconU2J - SiriusXM Satellite Radio, DeleteUE0 - OnStar DeleteUNL - Auxillary WiringUVC - Rear View Camera SystemUZF - Rear Back Up AlarmV33 - Tool Kit, Rim Wrench and Handle OnlyVWX - Grille, BaseYEY - TIRE REAR 225/70R19.5 G 126/128 N BW HWY PRLZEY - TIRE SPARE 225/70R19.5 G 126/128 N BW HWY PRL092 - Rear Axle, 4.30 Ratio5D1 - Bumper, Front, Gray5H1 - Single Key System, 2 Spare Keys (SEO)7Y8 - Batteries, Heavy-Duty Dual 1300 CCAA31 - Power WindowsAG1 - Power Seat Adjuster (Driver's Side)AQQ - Keyless Remote EntryAY0 - Airbags-frontal, front seat and head-curtainBTN - Top Post Threaded, Battery Jump Start StudC67 - Air Conditioning, ManualDGP - Mirrors: Outside, Black, Htd, Man Fold/Pwr Adj 102" WdLER2 - Wheelbase 189 Inch 108" CAF59 - Front Stabilizer BarFPF - Equipment Emission, Diesel DPF Manual RegenerationFTL - Front Axle, 8000 lbs.FU7 - Rear Suspension, 15,500 lb, Multi-LeafG80 - Locking Differential, RearGZG - GVW Rating, 19,500 LbsIO5 - Radio, 8" Color Screen, Bluetooth, w/ USB PortJL1 - Integrated Trailer Brake ControllerK34 - Cruise Control-Automatic, ElectronicKBK - Transmission Shift Control Calibration, PerformanceKUT - Air Compressor Accessory DriveL5D - Engine, Duramax 6.6L Turbo-Diesel V8N2L - Fuel Tank, Rear, 40 Gallon (Front Tank Delete)NP5 - Steering Wheel: Leather WrappedP0D - Grille Guard Screen, Insect ProtectionPWR - Wheels, 19.5" x 6.75", Steel, Grey PaintedR6W - 34,000 lbs (15,422 kg) GCWRSFW - Back-Up Alarm Calibration (SEO)TR1 - Lamps, Rear, StopU05 - Horn, Dual NoteUDD - Driver Information Center, 4.2" DisplayUK3 - Radio Controls -Steering WheelUQ3 - Speaker System, 6UY7 - Trailering ProvisionsV23 - Grille Guard Screen, Stone ProtectionV76 - Recovery HooksXEY - TIRE FRONT 225/70R19.5 G 126/128 N BW HWY PRLYK6 - SEO Processing OptionZY1 - Paint, Solid