GM Service Manual Online
For 1990-2009 cars only

The production/process codes provide the description of the Regular Production Options (RPOs). The RPO list is printed on the Service Parts Identification Label.

RPO

Description

AAC

Parts Package Shipped Loose

AG1

Adjuster Front Seat Power, Multi-Directional, Driver

AG2

Power Seat - Adjuster- 6 Way- Passenger

AJ1

Windows Deep Tint, All Except W/S & Door

AJ3

Restraint System Seat, Inflatable, Driver

AK5

Restraint System Seat, Inflatable, Driver

AR7

Seat Front Bucket, Standard

AS5

Seat Front Bucket, Deluxe

AU0

Lock Control, Entry Remote Entry

AU3

Lock Control Side Door, Electric

A07

Window Body

A08

Window Body, Right Side

A12

Window RR STA Back DR

A13

Window Side Door STA, RR

A17

Window Side body left Side, Swing Out

A18

Window Rear Door, Swing Out

A19

Window Side Door Rear, Swing Out

A31

Window Power Operated, Side

BAG

Parts Package Export

BA0

Ornamentation Exterior, Door, Nameplate

BA3

Compartment Stowage, I/P Lower Extension Deluxe

BG5

Covering, Floor - Delete

BNC

Parts Package Body Mount Cushions

B3D

Equipment School Bus

B30

Floor Covering

B31

Covering Floor Vinyl, Front, Full width

B32

Covering Front Floor Mats, AUX

B33

Covering Rear Floor Mats, AUX

B38

Covering Floor Vinyl, Front and Rear, Full Width

B4L

Label Price Reference, Geographic Chart

B46

Trim Equipment, Special Order

C36

Heater Auxiliary

C42

HVAC System Heater, Outside Air, Deluxe

C49

Defogger RR Window, Electric

C5F

GVW Rating 8500 lbs

C5Z

GVW Rating 7200 lbs

C6A

GVW Rating 7300 lbs

C6P

GVW Rating 8600 lbs

C6Y

GVW Rating 9600 lbs

C60

HVAC System Air Conditioner Front, Man Controls

C69

HVAC System RR Air Conditioner

C7A

GVW Rating 10000 LBS

C7E

GVW Rating 11000 LBS

C7G

GVW Rating 11500 LBS

C7L

GVW Rating 12000 LBS

C7N

GVW Rating 12300 LBS

C99

Switch, Inflatable Restraint, I/P Module Manual Suppression

DE2

Mirror O/S LH and RH, Manual Control, Folding, Color

DE5

Mirror O/S LH and RH, Remote Control, Electric, Heated Folding, Color

DE7

Mirror O/S LH and RH, Remote Control, Electric, Heated, Light Sensitive, Manual Folding, Turn Signal Indicator, Color

DF2

Mirror O/S Wide Load Retractable, Stainless Steel

DF5

Mirror I/S R/V Light Sensitive, Compass, O/S Temperature Display

DH6

Mirror I/S FRT VAN LH and RH, Sunshade, Illum

DT4

Ashtray Cigarette Lighter

D28

Mirror O/S - Delete

D31

Mirror I/S R/V Tilt (Dup with D36)

ENC

HVAC Provisions Auxiliary Heater Plumbing and Wiring

EVA

Test DVT, EVAP Emission Requirement

E24

Door Side Rear, Hinged

E26

Door Side Rear, Left Hinged

GT4

Axle Rear 3.73 Ratio (DUP with 5X1)

GT5

4.10 Rear Axle Ratio (DUP with GT8)

GU6

3.42 Rear Axle Ratio

G80

Axle Positraction Limited Slip

JH5

Brake Hydraulic Power, 4-wheel Disc, 7200 lbs

JH6

Brake Hydraulic Power, 4-wheel Disc, 9900 lbs

JH7

Brake Hydraulic Power, 4-wheel Disc, 12,300 lbs (Duplicate with JH9)

KC4

Heavy Duty Engine Oil Cooling

KD1

Cooling System Trans, Oil

KG3

Generator 145 amp

KL5

Modification Engine, Natural Gas

KL6

Provisions, Natural Gas

KL8

Conversion, Natural Gas

K05

Engine Block Heater

K34

Cruise Control Automatic, Electronic

K50

Fuel Fitting, Line Take-OFF

K68

Generator 105 AMP

LM7

Engine Gas, 8 CYL, 5.3L, MFI, Iron, GM

LQ4

Engine Gas, 8 CYL, 6.0L, MFI, Iron, GM

LR4

Engine Gas, 8 CYL, 4.8L, MFI, Iron, GM

LU3

Engine Gas, 6 CYL, 4.3L, MFI, V6, 90 Deg

MT1

Transmission - 4 Speed Auto HMD, 4L80-E

M30

Transmission Auto 4 Speed, 4L60E, Electronic

NA1

Emission System GVW Above 8500 LB

NA4

Emission System GVW Above 8500 LB

NC1

Emission System California, LEV

NC8

Emission System California, ULEV

NE7

Fuel Tank 208L, 55 Gal

NF2

Emission System Federal, Tier 1

NF4

Emission System Clean Fuel Fleet

NF9

Emission System, General Unleaded

NP3

Transfer Case One Speed Automatic All Wheel Drive (AWD)

NP5

Steering Wheel Leather Wrapped

NT9

Emission System Federal, Tier 2 Phase-out

N33

Steering Column Tilt Type

PF9

Wheel 16 x 7, Aluminum Cast

PNC

Panel Trim, Front Doors and Side Rear Door and Rear Doors

PNF

Panel Trim, Side Rear Door and Rear Doors - Delete

PRP

Sales Package, Commercial Tradesman

PY2

Wheel 16 x 6.5, Chrome Appearance

P03

Cover, Wheel; Variation 3

Q4B

GVM Rating 6,200 lbs

R04

Wheel Single Rear

R05

Axle - Dual Rear

TR9

Lamp Group

T62

Lamp System Daytime Running - Delete

T90

Lamp - Signal and Marker, Export

UA1

Battery, High Capacity, Wet

UB1

Radio AM/FM Stereo, Seek/Scan. Auto REV Music Search Cassette, CD, Auto Tone, Data System, Clock, ETR

UC2

Speedometer Inst, Kilometer and Miles, Kilometer Odometer, Positive Bias

UC6

Radio AM/FM Stereo, Seek/Scan, RDS, Multiple Compact Disc, Auto Tone Control, Clock, ETR

UD4

Alarm Vehicle Speed, 120 K/H

UE1

Communication System Vehicle, GPS 1

UJ1

Indicator System, Brake Warning

UK6

Radio Control Rear Seat & Earphone Jacks

UL5

Radio - Delete

UL8

Frequencies, Saudi Arabian

UM7

Radio AM/FM Stereo, Seek/Scan, Clock, ETR

UY7

Wiring Harness Truck Trailer, HD

U1C

Radio Am/FM Stereo, Seek/Scan, CD, Clock, ETR

U19

Speedometer Inst, Kilo and Miles, Kilo Odometer

U73

Antenna Fixed, Radio

U74

Antenna Radio - Delete

VBX

Language Label, Arabic

VC0

Vehicle Label, Noise Control Information

VC4

Label, Price/Fuel Economy, Puerto Rico & Virgin Islands

VC5

Label Shipping, except US, US Possessions, or Japan

VC7

Label, Price/Fuel Economy, Guam

VG8

Vehicle Label, Notice to Buyer

VJ4

Label, Export Child Seat Location

VK3

License Plate Front Mounting Package

VK5

Seat Temporary, for Shipping

VPH

Vehicle Preparation, Overseas Delivery

VP6

Noise Control

VR4

Trailer Hitch Weight Distribution Platform

VR6

Hook Tie Down Shipping

VXS

Vehicle Complete

VXT

Vehicle Incomplete

VZ3

Label, Mercury Disposal Notification

V10

Provision Options Cold Weather

V14

Cooler Oil, Transmission, Auxiliary

V22

Grille Radiator, Chrome

V37

Bumper Front and Rear, Chrome

V39

Emergency Kit

V46

Bumper Front Chrome

V73

Vehicle Statement, USA/Canada

V78

Vehicle Statement - Delete

V87

Vehicle Statement, Gulf States Organization

WEN

Plant Code, Wentzville, MO, USA

XEN

Tire Front P235/75R16 - 109S BW R/PE ST TL ALS

XEP

Tire Front P235/75R16 - 109S WOL R/PE ST TL ALS

XHF

Tire Front LT225/75R16/E BL R/PE ST ALS

XHH

Tire Front LT245/75R16/E BL R/PE ST ALS

XHP

Tire Front LT225/75R16/D BL R/PE ST TL ALS

XLP

Tire Front LT245/75R16/E BW R/PE ST TL ALS 120/116S

XNF

Tire Front P235/75R16 - 106S BW R/PE ST TL ALS

X88

Conversion Name PLT Chevrolet

YA2

Door Side RR, Sliding

YB9

Paint Process Interior - Delete

YC6

Convenience Package Decor Level #6

YEN

Tire Rear P235/75R16-109S BW R/PE ST TL ALS

YEP

Tire Rear P235/75R16-109S WOL R/PE ST TL ALS

YF1

Sales Package, Cutaway, Upfitter

YF7

Sales Package, Recreational Vehicle, Upfitter

YHF

Tire Rear LT225/75R16/E BL R/PE ST ALS

YHH

Tire Rear LT245/75R16/E BL R/PE ST ALS

YHP

Tire Rear LT225/75R16/D BL R/PE ST TL ALS

YLP

Tire Rear LT245/75R16/E BW R/PE ST TL ALS 120/116S

YNF

Tire Rear LT235/75R16-106S BW R/PE ST TL ALS

Y3G

Merchandised Package Mobility, Personal Use

Y3H

Merchandised Package Mobility, Paratransit

ZEN

Tire Spare P235/75R16-109S BW R/PE ST TL ALS

ZEP

Tire Spare P235/75R16-109S WOL R/PE ST TL ALS

ZHF

Tire Spare LT225/75R16/E BL R/PE ST ALS

ZHH

Tire Spare LT245/75R16/E BL R/PE ST ALS

ZHP

Tire Spare LT225/75R16/D BL R/PE ST TL ALS

ZLP

Tire Spare LT245/75R16/E BW R/PE ST TL ALS 120/116A

ZNF

Tire Spare P235/75R16-106S BW R/PE ST TL ALS

ZP3

Seating Arrangement, 15 Passengers

ZP8

Seating Arrangement, 8 Passengers

ZW9

Body Equipment Base Body or Chassis

ZX1

Seating Arrangement Driver Only, High Back

ZX2

Seating Arrangement Driver and Passenger, High Back

ZX5

Seating Arrangement 12 Passenger

ZX9

Spare Tire w/Wheel - Delete

ZY1

Color Combination - Solid

Z49

Export Canadian Modification Base Equipment

Z5X

Mirror Provisions, Arabic Language

Z82

Trailer Provisions Special Equipment H.D.

Z88

Conversion Name Plate GMC