Full Description: Rear axle; 3.23 ratio (Standard and only available on (LV3) 4.3L EcoTec3 V6 engine with 2WD models.),Body; Pick Up Box,GVWR; 6700 lbs. (3039 kg),Suspension Package; Handling/Trailering; heavy-duty includes 46 mm piston monotube shocks and 36mm front stabilizer bar,Rear wheel drive,Cooling; external engine oil cooler,Alternator; 150 amps,Battery; heavy-duty 730 cold-cranking amps/70 Amp-hr; maintenance-free with rundown protection and retained accessory power,Frame; fully-boxed; hydroformed front section,Cargo tie downs (4); movable upper,Steering; Electric Power Steering (EPS) assist; rack-and-pinion,Brakes; 4-wheel disc with DURALIFE rotors; 4-wheel antilock,Exhaust; aluminized stainless-steel muffler and tailpipe,Wheel; full-size spare; 17'' x 7'' (43.2 cm x 17.8 cm) aluminum (Included and only available with model K15703 or C15703 and (LV3) 4.3L EcoTec3 V6 engine. Model C15703 is not available with 20'' wheels. Model K15703 is available with 20'' wheels.),Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door (Not included when (ZW9) pickup box delete is ordered.),Bumper; front chrome,Bumper; rear chrome with rear bumper corner steps,CornerStep; rear bumper,Moldings; bodyside; body color,Grille surround; chrome,Headlamps; halogen projector,Lamps; cargo area; cab mounted with switch on center switch bank,Mirrors; outside heated power-adjustable (includes driver''s side spotter mirror) (Body Color.),Glass; deep-tinted,LED Lighting; cargo box with switch on center switch bank (Not included when (ZW9) pickup box delete is ordered.) (Deleted when (ZW9) pickup box delete is ordered.),Tailgate and bed rail protection caps; top,Tailgate; locking utilizes same key as ignition and door (Deleted when (ZW9) pickup box delete is ordered.),Tailgate; EZ-Lift and Lower (Deleted when (ZW9) pickup box delete is ordered.),Door handles; body-color,6-speaker audio system,Instrumentation; 6-gauge cluster featuring speedometer; fuel level; engine temperature; tachometer; voltage and oil pressure,Driver Information Center; 4.2-inch diagonal color display includes driver personalization; warning messages and vehicle information,Windows; power with driver express up and down and express down on all other windows,Air conditioning; single-zone,Visors; driver and front passenger illuminated vanity mirrors,Assist handle; front passenger on A-pillar (Includes rear assist handles in the headliner on crew cab models.),StabiliTrak; stability control system with Proactive Roll Avoidance and traction control; includes electronic trailer sway control and hill start assist,Daytime Running Lamps with automatic exterior lamp control,Air bags; dual-stage frontal airbags for driver and front passenger; seat-mounted side-impact airbags for driver and front outboard passenger; and head-curtain airbags for front and rear outboard seating positions; includes right-front airbag Passenger Sensing System (Always use safety belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner''s Manual for more information.),Rear Vision Camera with dynamic guide lines (Not included when (ZW9) pickup box delete is ordered.) (Deleted with (ZW9) pickup box delete or (9J4) rear bumper delete.),Tire Pressure Monitoring System (does not apply to spare tire)