2015 Chevrolet Silverado 3500HD 4WD Crew Cab 167.7" LTZ

Suspension Package, Standard includes 51mm twin tube shock absorbers and 33mm front stabilizer bar

Pickup box, Wideside

Air cleaner, high-capacity

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

Differential, heavy-duty locking rear

Four wheel drive

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.)

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

Trailer brake controller, integrated

Frame, fully-boxed, hydroformed front section

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 single rear wheels. Included with (E63) pickup box. Available to order when (ZW9) pick-up box delete is ordered.)

Wheelhouse liners, rear (Not available with dual rear wheels. Deleted with (ZW9) pickup box delete.)

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.)

Bumper, front chrome

Bumper, rear chrome with bumper CornerSteps

CornerStep, rear bumper

Moldings, bodyside, chrome

Grille surround, chrome

Headlamps, halogen projector

Fog lamps, front, halogen

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

Glass, deep-tinted

Door handles, chrome

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 when (ZW9) pickup box delete is ordered.)

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

Remote vehicle starter system

Theft-deterrent system, unauthorized entry

Air conditioning, dual-zone automatic climate control

Defogger, rear-window electric

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