Brakes, 4-wheel antilock, front disc/rear drum
Battery, heavy-duty 600 cold-cranking amps, maintenance-free with rundown protection and retained accessory power
Four wheel drive
Suspension Package, Handling/Trailering, heavy-duty includes 46 mm piston monotube shocks and 36mm front stabilizer bar
GVWR, 7000 lbs. (3175 kg) (Requires CC10753 models and (L9H) Vortec 6.2L V8 SFI engine and (NHT) Max Trailering Pack or CK10753, CK10953, or CK10543 models. Standard on CK10753, CK10953, or CK10543 models.)
Cooling, external engine oil cooler heavy-duty air-to-oil, integral to driver side of radiator tank
Exhaust, aluminized stainless-steel muffler and tailpipe
Steering, power, rack-and-pinion
Trailering Package, heavy-duty includes trailering hitch platform and 2-inch receiver, 7- wire harness (harness includes wires for: park lamps, backup lamps, right turn, left turn, electric brake lead, battery and ground) with independent fused trailering circuits mated to a 7-way sealed connector, wiring harness for after-market trailer brake controller (located in the instrument panel harness) and (KNP) external transmission oil cooler (with (MYC) 6-speed automatic transmission also includes (K5L) heavy-duty cooling package, (KC4) external engine oil cooler and (KNP) external transmission oil cooler)
Rear axle, 3.08 ratio (Refer to Engine/Axle chart for availability.)
Differential, heavy-duty automatic locking rear
Transfer case, electronic Autotrac with rotary dial controls (Requires 4WD models.)
Transmission, 6-speed automatic
Recovery hooks, front, frame-mounted (Standard on 4WD models. Not available with (WEA) Z71 Appearance Package.)
Engine, Vortec 5.3L Variable Valve Timing V8 SFI FlexFuel with Active Fuel Management capable of running on unleaded or up to 85% ethanol (with gas - 315 hp [234.8 kW] @ 5200 rpm, 335 lb-ft of torque [452.2 N-m] @ 4000 rpm, with E85 ethanol - 326 hp [243.1 kW] @ 5300 rpm, 348 lb-ft of torque [469.8 N-m] @ 4400 rpm), aluminum block (Requires CK10543 or CK10753 models.)
Cooling, auxiliary external transmission oil cooler, heavy-duty air-to-oil
SAFETY
Air bags, seat-mounted side-impact, driver and right-front passenger for thorax and pelvic protection (Head curtain side air bags are designed to help reduce the risk of head and neck injuries to front and rear seat outboard occupants on the near side of certain side-impact collisions. Always use safety belts and the correct child restraints for your child's age and size, even in vehicles equipped with air bags. Children are safer when properly secured in a rear seat in the appropriate infant, child or booster seat. See the Owner's Manual and child safety seat instructions for more safety information.)
OnStar Turn-by-Turn Navigation
Air bags, frontal, driver and right-front passenger with Passenger Sensing System (Always use safety belts and the correct child restraints for your child's age and size. Even in vehicles equipped with air bags and the Passenger Sensing System, children are safer when properly secured in a rear seat in the appropriate infant, child or booster seat. Never place a rear-facing infant restraint in the front seat of any vehicle equipped with an active frontal air bag. See the Owner's Manual and child safety seat instructions for more safety information.)
Door locks, rear child security (Crew Cab models only.)
Stolen Vehicle Assistance
Tire Pressure Monitoring System (does not apply to spare tire)
Automatic Crash Response
OnStar, 6 months of Directions and Connections plan Includes Automatic Crash Response, Emergency Services, Crisis Assist, Stolen Vehicle Assistance including Stolen Vehicle Slowdown and Remote Ignition Block, Remote Door Unlock (requires power locks), Turn-by-Turn Navigation with Destination Download (requires navigation radio) and OnStar eNav (where available), OnStar Vehicle Diagnostics, Roadside Assistance, Remote Horn and Lights, and Hands Free Calling. (Visit onstar.com for details and system limitations.)
StabiliTrak, stability control system with Proactive Roll Avoidance and traction control
Daytime Running Lamps, with automatic exterior lamp control
Air bags, head curtain side-impact, front outboard seating positions with rollover sensor (Head curtain side air bags are designed to help reduce the risk of head and neck injuries to front and rear seat outboard occupants on the near side of certain side-impact collisions. Always use safety belts and the correct child restraints for your child's age and size, even in vehicles equipped with air bags. Children are safer when properly secured in a rear seat in the appropriate infant, child or booster seat. See the Owner's Manual and child safety seat instructions for more safety information.)