Rear axle- 4.10 ratio (Requires (L96) Vortec 6.0L V8 SFI engine or (LC8) 6.0L V8 SFI Gaseous CNG (Compressed Natural Gas) engine.)
Suspension Package- Standard includes 51mm twin tube shock absorbers and 33mm front stabilizer bar
GVWR- 9500 lbs. (4309 kg) (Requires (L96) Vortec 6.0L V8 SFI engine or (LC8) 6.0L V8 SFI Gaseous engine. Not available with CK25943 model.)
Air cleaner- high-capacity
Transfer case- electronic shift with rotary dial controls (Requires 4WD models.)
Differential- heavy-duty locking rear
Cooling- external engine oil cooler
Cooling- auxiliary external transmission oil cooler
Battery- heavy-duty 720 cold-cranking amps/80 Amp-hr- maintenance-free with rundown protection and retained accessory power
Trailer brake controller- integrated (Standard with (E63) pickup box. Available to order with (ZW9) pickup box delete.)
Frame- fully-boxed- hydroformed front section
Trailering equipment Trailering hitch platform 2.5"" with a 2.0"" insert for HD- 7-wire harness with independent fused trailering circuits mated to a 7-way sealed connector to hook up parking lamps- backup lamps- right and left turn signals- an electric brake lead- battery and a ground- The trailer connector also includes the 4-way for use on trailers without brakes - park- brake/turn lamps (Will be deleted if (ZW9) pickup box delete or (9J4) rear bumper delete is ordered.) (Not available with (ZW9) pickup box delete or (9J4) rear bumper delete.)
Steering- Recirculating Ball
Exhaust- aluminized stainless-steel muffler and tailpipe
Wheel- 18"" x 8"" (45.7 cm x 20.3 cm) full-size- steel spare Spare not included with (ZW9) pickup box delete unless a spare tire is ordered. (Requires 18"" or 20"" wheels and tires.)
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door (Not included when (ZW9) pickup box delete or (9J4) rear bumper delete is ordered.)
Wheelhouse liners- rear (Deleted with (ZW9) pickup box delete.)
CornerStep- rear bumper (Requires (E63) pickup box.)
Bumper- rear chrome with bumper CornerSteps (Requires (E63) pickup box.)
Moldings- bodyside- chrome
Headlamps- halogen projector
Lamps- cargo area- cab mounted with switch on center switch bank
Fog lamps- front- halogen
Tailgate and bed rail protection caps- top
Tailgate- locking- utilizes same key as ignition and door (Deleted with (ZW9) pickup box delete.)
Tailgate- EZ-Lift and Lower (Deleted with (ZW9) pickup box delete.)
Seat- rear 60/40 folding bench (folds up)- 3-passenger (includes child seat top tether anchor)
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
Theft-deterrent system- unauthorized entry
Remote vehicle starter system
Air conditioning- dual-zone automatic climate control
Power outlet- 110-volt AC
Mirror- inside rearview auto-dimming
Visors- driver and front passenger illuminated vanity mirrors
Assist handle- front passenger and driver on A-pillars
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- single-stage frontal and thorax side-impact- driver and front passenger- and head curtain side-impact- front and rear outboard seating positions (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.)
Tire Pressure Monitoring System (does not apply to spare tire)