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 and Door

AJ3

Restraint System Seat, Inflatable, Driver

AK5

Restraint System Seat, Inflatable, Driver

AR7

Seat Front Bucket, Standard

ASF

Restraint - Roof Side, LH and RH, Inflatable

AXP

Vin Ident - Position, Multi-Purpose Vehicle

AXQ

Vin Ident - Position, Bus

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

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 10,000 lbs

C7F

GVW Rating 14,050 lbs

C7L

GVW Rating 12,000 lbs

C7N

GVW Rating 12,300 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

DHC

Mirror O/S - LH and RH, Manual, Control, AUX WFOV, Color

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 Requirement

EXP

Export

E24

Door Side Rear, Hinged

E26

Door Side Rear, Left Hinged

FE9

Certification - Emission Federal

FLT

Sales Processing - Option

GAM

Vehicle - Government (G.S.A. Sales)

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, 7,200 lbs

JL4

Control - Active Brake

KC4

Heavy Duty Engine Oil Cooling

KD1

Cooling System Trans, Oil

KD9

Generator - 145 AMP, Dual

KG3

Generator - 145 AMP

KL5

Modification Engine, Natural Gas

KUP

Throttle Control - Electronic

KV1

Inverter - Power Port, 110 volt

K05

Heater Engine - Block

K08

Heater - Auxiliary, Fuel Fired

K34

Cruise Control Automatic, Electronic

K50

Fuel Fitting, Line Take-off

K68

Generator - 105 AMP

LMF

Engine - Flexible Fuel, (Gas/Alc), 8 Cyl, 5.3L, SFI, V8, OHV, Iron, GM

LMM

Engine - Diesel, 8 Cyl, 6.6L, DPI, V8, Duramax

LU3

Engine - Gas, 6 cyl, 4.3L, MFI, V6, 90 Deg

LY2

Engine - Gas, 8 Cyl, 4.8L, SFI, Iron, GM

LY6

Engine - Gas, 8 Cyl, 6.0L, SFI, Iron, GM

MN8

Transmission - Auto 4 Speed, HMD, 4L80-E, Heavy Duty

MTF

Provisions - Fire Extinguisher Mounting

MT1

Transmission - 4 Speed Auto HMD, 4L80-E

M30

Transmission - Auto 4 Speed, 4L60-E, Electronic

NA1

Emission System GVW Above 8,500 lb

NA4

Emission System GVW Above 8,500 lb

NB8

Emission Override - California System

NC1

Emission System California, LEV

NC7

Emission Override - Federal System

NC8

Emission System California, ULEV

NE1

Certification - Emission, Geographically Restricted Registration for Vehicles Up to 14,000 lbs GVW (Use 2003 MDL YR)

NE7

Fuel Tank 208L, 55 Gal

NF4

Emission System Clean Fuel Fleet

NF9

Emission System, General Unleaded

NP5

Steering Wheel Leather Wrapped

NT8

Emission System - Federal, Tier 2 A

NT9

Emission System - Federal, Tier 2 Phase-out

NU1

Emission System - California Level 2

NU2

Emission System - California, ULEV2

NU4

Emission System California - Level 2 Plus

N12

Exhaust System - Rear Exit

N15

Flexible Fuel - Ethanol

N33

Steering Column Tilt Type

PF4

Wheel 16 x 7, Aluminum

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 - VAR 3

Q4B

GVM Rating 6,200 lbs

R04

Wheel Single Rear

R05

Axle - Dual Rear

R25

Appearance Package - Exterior, Chrome Grille and Painted Upper

R26

Appearance Package - Exterior, Chrome Grille and Front Bumper

R4A

Tire Brand Front Goodyear

S2M

Direct Sales IBC

S4A

Tire Brand Rear Goodyear

TR9

Lamp Group

T62

Lamp System Daytime Running - Delete

T79

Lamp - Fog, RR

UA1

Battery, High Capacity, Wet

UC2

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

UD4

Alarm - Vehicle Speed, 120 K/H

UE1

Communication System Vehicle, GPS 1

UF2

Lamp Cargo

UF3

Switch - High Idle

UJ1

Indicator System, Brake Warning

UJ6

Indicator - Low Tire Press

UK6

Radio Control Rear Seat and Earphone Jacks

UL5

Radio - Delete

UL8

Frequencies, Saudi Arabian

UM7

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

US8

Radio - AM/FM Stereo, Seek/Scan, CD, Auto Tone, Clock, ETR, MP3, RDS

US9

Radio - AM/FM Stereo, Seek/Scan, RDS, Multiple Compact Disc, Auto Tone Control, Clock, ETR, MP3

UY7

Wiring Harness Truck Trailer, HD

U05

Horn Dual

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

VCL

Certification - Emission, Clean Fuel Vehicle, Fleet

VC0

Vehicle Label, Noise Control Information

VC4

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

VC5

Label Shipping, except US, US Possessions, or Japan

VC7

Label, Price/Fuel Economy, Guam

VG8

Vehicle Label, Notice to Buyer

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

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

V60

Vehicle Statement Gulf States Organization, Incomplete Vehicle

V73

Vehicle Statement, USA/Canada

V78

Vehicle Statement - Delete

V87

Vehicle Statement, Gulf States Organization

WEN

Plant Code, Wentzville, MO, USA

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

XNK

Tire Front - P245/75R16 - 109S BW R/PE ST TL ALS

XNL

Tire Front - P245/75R16-109S WOL R/PE ST TL ALS

X88

Conversion Name PLT Chevrolet

YA2

Door Side RR, Sliding

YA7

Test - Emission, California Assembly Line

YB9

Paint Process Interior - Delete

YC6

Convenience Package Decor Level #6

YF1

Sales Package, Cutaway, Upfitter

YF2

Sales Package - Ambulance Uplifter

YF5

Certification - Emission, California

YF7

Sales Package, Recreational Vehicle, Upfitter

YG8

Identification - P.E.P. Vehicle

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

YNK

Tire Rear - P245/75R16 - 109S BW R/PE ST TL ALS

YNL

Tire Rear - P245/75R16 - 109S WOL R/PE ST TL ALS

Y3G

Merchandised Package Mobility, Personal Use

Y3H

Merchandised Package Mobility, Paratransit

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

ZNK

Tire Spare - P245/75R16 - 109S BW R/PE ST TL ALS

ZNL

Tire Spare - P245/75R16 - 109S WOL R/PE ST TL ALS

ZP0

Seating Arrangement, Temporary Driver

ZP3

Seating Arrangement, 15 Passengers

ZP5

Seating Arrangement, 5 Passengers

ZP8

Seating Arrangement, 8 Passengers

ZQ2

Sales Package - Driver Convenience

ZQ3

Sales Package - Driver Convenience II

ZR7

Appearance Package - Grille and Bumper Chrome

ZW2

Window Pkg - RR DRS

ZW3

Window Pkg - RR DRS, Side RR DR

ZW4

Window Pkg - RH Side, RR Drs

ZW6

Window Pkg - Complete Body

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

Z4G

Merchandised Package - Mobility Upfit Lowered Floor

Z49

Export Canadian Modification Base Equipment

Z5X

Mirror Provisions, Arabic Language

Z82

Trailer Provisions Special Equipment H.D.