Here you go all the RPOs that I have and know....
AM7 : SEAT, RR, FLDG
AU3 : LOCK CONTROL, SIDE DR, ELEC
AV5 : SEAT, FRT BKT, HIGH BACK
A31 : WINDOW, POWER OPERATED, ALL DOORS
A33 : WINDOW, POWER OPERATED, T/GATE OR BACK DR
BB5 : ORNAMENTATION, INTR, HEADLINER
BC3 : ORNAMENTATION, INTR, I/P, DELUXE
B30 : COVERING, FLOOR CARPET
B32 : COVERING, FRT FLOOR MATS AUX
B85 : ORNAMENTATION, EXTR MLDG BELT REVEAL
B96 : MOLDING WHL OPENING
CD4 : WIPER SYSTEM WINDSHIELD, PULSE
CMD : PLANT CODE, FLINT MI
C5M : GVW RATING, 6100 LBS
C60 : HVAC SYSTEM, AIR CONDITIONER FRT MAN CONTROLS
D1G : GEAR, SPEEDO DRIVEN
D34 : MIRROR, VISOR VANITY
D45 : MIRROR O/S, SST
E5Z : SPEEDOMETER ADAPTER (DELETE)
E6C: E is something dealing with body (ie:E55 tailgate)
E9Z : SPEEDOMETER KEY (DELETE)
F60 : SPRING FRONT, HEAVY DUTY
GT4 : AXLE REAR, 3.73 RATIO (DUP WITH 5 X 1)
G80 : AXLE POSITRACTION, LIMITED SLIP
JB5 : BRAKE, POWER, DISC/DRUM, 6400 LBS
KC4 : COOLING SYSTEM, HEAVY DUTY ENGINE OIL
K06 : FAN, ENG COOLING
K19 : REACTOR SYSTEM, AIR INJECTION
K22 : GENERATOR, 94 AMP
K34 : CRUISE CONTROL, AUT0MATIC, ELECTRONIC
L05 : ENGINE, GAS, B CYL, 5.7L, 1 TBI, V8
MD8 : TRANSMISSION, AUTO 4 SPD, THM 700 R4
MX0 : MERCHANDISED, TRANS, AUTO PROVISIONS, O/D
NA1 : EMISSION SYSTEM, GVW, LESS THAN 8500 LB
NA5 : EMISSION SYSTEM, FEDERAL, TIER O
NK7 : FUEL TANK, 117L, 31 GAL
NY1 : SHIELD, FUEL TANK
NY7 : SHIELD, TRANSFER CAS
N31 : STEERING WHEEL, CUSTOM
N33 : STEERING COLUMN, TILT TYPE
N41 : STEERING, POWER, VARIABLE RATIO
N67 : WHEEL, RALLY TYPE , VAR2
P17 : COVER SPARE, WHEEL
SLL SPC SALES PROCESSING SOLD ORDERS
T63 : ALARM, HEADLAMPS ON WARNING SYSTEM
UN9 : RADIO, SUPPRESSION EQUIPMENT
UY7 : WIRING HARNESS, TRUCK TRAILER HDU35
U37 : LIGHTER CIGARETTE
U76 : ANTENNA, WINDSHIELD, RADIO
VE5 : BUMPER, FRT & RR, IMPACT, CHROME
VG3 : BUMPER FRT, IMPACT STRIP
VG5 : LABEL, INFORMATION, 5MPH BUMPER IMPACT
VR4 : TRAILER HITCH, WEIGHT DISTRIBUTING PLATFORM
V02 : RADIATOR, HEAVY DUTY, WITH TRANS OIL COOLER
V22 : GRILL RADIATOR, CHROME
V73 : VEHICLE STATEMENT, USA/CANADA
V76 : FRONT TOWING HOOK
XFL: TIRE FRONT P235/75R15-105S BW R/PE ST TL ALS X6Z : HUB, LOCKING AUTOMATIC
YD3 : FRONT AXLE, BASE EQUIPMENT FOR SCHEDULING, GVW PLATE
YD6 : REAR SPRING, BASE EQUIPMENT
YE9 : CONVENIENCE PACKAGE, COMFORT & DECOR LEVEL #3
YFL: REAR P235/75R15-105S BW R/PE ST TL ALS YG3 : ORNAMENTATION, BODY, SIDE, WHL OPENING BRIGHT
ZFL: TIRE SPARE P235/75R15-105S BW R/PE ST TL ALS
ZQ2 : SALES PACKAGE, DRIVER CONVENIENCE
ZQ2 : Power Locks & Power Windows
ZW9 : BASE BODY AND CHASSIS
ZY1 : COLOR COMBINATION, SOLID
Z53 : CLUSTER, INST, OIL, COOL, TEMP, VOLTS
Z75: Unknown to me..
Z82 : TRAILER PROVISIONS, SPECIAL EQUIPMENT
19K : AUX TOP COLOR BLACK (91)
19U : PRIMARY COLOR, EXTERIOR, LAMP BLACK (91)
77D : TRIM COMBINATION, CLOTH, DK MAPLE (D)
77I : INTERIOR TRIM, DK MAPLE (I)
T[FONT="]he remaining blank RPO codes are really that significant, the Codes of XFN, YFN and ZFN - which are tire codes (X = front, Y = rear, Z = spare); FN = the specific tire size, tread and sidewall type,.
I hope this helps you out. It would of been the DK Maple
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