2015 Chevrolet Silverado 2500HD 4WD Double Cab 144.2" LT

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

Pickup box, Wideside

GVWR, 9500 lbs. (4309 kg) (Requires (L96) Vortec 6.0L V8 SFI engine or (LC8) 6.0L V8 SFI Gaseous engine.)

Air cleaner, high-capacity

Transfer case, electronic shift with rotary dial controls (Requires 4WD models.)

Four wheel drive

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

Alternator, 150 amps

Frame, fully-boxed, hydroformed front section

Steering, Recirculating Ball

Exhaust, aluminized stainless-steel muffler and tailpipe

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.)

Bumper, front chrome

CornerStep, rear bumper (Requires (E63) pickup box.)

Bumper, rear chrome with bumper CornerSteps (Requires (E63) pickup box.)

Grille surround, chrome

Headlamps, halogen projector

Lamps, cargo area, cab mounted with switch on center switch bank

Glass, deep-tinted

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.)

6-speaker audio system

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

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.)

Air bag deactivation switch, frontal passenger-side

Tire Pressure Monitoring System (does not apply to spare tire)