From GM-Trucks.com website
73P Wheels, front 19" x 8" (40.6 cm x 17.8 cm), rear 20" x 10" (50.8 cm x 25.4 cm) painted aluminum, (73P) Sterling Silver finish
A31 Windows, power
A95 Seats, front leather seating surfaces reclining buckets
AAB Driver Convenience Package, includes heated driver and front passenger seats and driver's memory seat
AJ1 Glass, Solar-Ray deep tinted
AJ7 Air bags, frontal and side impact, driver and front passenger
AU0 Keyless entry, remote
B32 Floormats carpeted, front
BCP Engine cover insert, Satin Chrome appearance
BKF Regular production accessory, Customized Floor Mats, includes SSR logo and decorative piping (SPO-supplied, dealer installed)
BVE Regular production accessory, Integrated Running Boards, Satin Chrome appearance, includes non-slip surface (SPO-supplied, dealer installed)
C49 Defogger, rear-window, electric
CJ3 Air conditioning
CTD Regular production accessory, Cargo Netting Package, includes cargo storage netting, telescoping cross bar and 4 tie down rings (SPO-supplied, dealer installed)
DJ2 Mirror, inside rearview
DR2 Mirrors, outside rearview
EB6 GVWR, 6050 lbs. (2744 kg)
ERG Regular production accessory, Auxiliary Gauge Package, with Satin Chrome appearance
ERK Cargo Compartment Trim, includes compartment trim, cargo cover inner trim, 2 bed track covers and 9 cargo compartment wood strips
FE9 Emissions, Federal requirements
G80 Differential, Zexel-torsen, limited-slip, rear
GT4 Rear axle, 3.73 ratio
JF8 Brakes, 4-wheel antilock, 4-wheel disc
K34 Cruise control
KG3 Alternator, 145 amps
LM4 Engine, Vortec 5300 V8 SFI
M30 Transmission, 4-speed automatic
N40 Steering, power
NB8 Emissions override, California, Maine, Massachusetts, New York or Vermont
NC7 Emissions override, Federal
NE1 Emissions, Maine or Massachusetts state requirements
NG1 Emissions, New York or Vermont state requirements
NW7 Traction assist system, electronic
QMX Tires, front P255/45R19, touring, blackwall, rear P295/40R20, touring, blackwall
RAE Regular production accessory, Integrated Side-Saddle Storage, (SPO-supplied, dealer installed)
STW Steering wheel, leather-wrapped rim
T61 Daytime running lamps
T96 Fog lamps, front
U68 Driver Information Center
U73 Antenna, built into windshield
UA6 Theft-deterrent system, PASSlock
UB0 Sound system, ETR AM/FM stereo with CD player
UC6 Sound system, ETR AM/FM stereo with 6-disc CD changer
UQA Sound system feature, Bose premium speaker system
VK3 License plate bracket, front
VR4 Regular production accessory, Towing Package, extension that inserts into vehicle cross member and accepts 1.75" - 2.25" (4.45 cm - 5.72 cm) ball (ball not included) (SPO-supplied; dealer installed)
YF5 Emissions, California state requirements
Z82 Trailering equipment, heavy-duty
ZQ8 Suspension Package, Sport