GM Service Manual Online
For 1990-2009 cars only

The production/process codes provide the description of the Regular Production Options (RPOs) used on the Corvette. The RPO list is printed on the Service Parts Identification Label. The following is a list of the RPO abbreviations and the description of each:

RPO Table

RPO

Description

AAB

Memory, Driver Convenience Package

AG2

Power Seat Adjuster, Passenger, Multi-Directional

AK5

Inflatable Restraint System, Driver and Passenger

AQ9

Reclining Bucket Seat, Driver and Passenger

AR9

Reclining Bucket Seat, Driver and Passenger, European Style

AX4

Conversion, Seat Belt, Manual, European

BCC

Cylinder Unit Passenger Door

B34

Covering Front Floor Mats, Carpeted Insert

B4H

Modification, Noise Control, Export

CC3

Roof Panel, Removable Transparent

CF7

Roof Panel, Removable Non-Transparent

CJ2

HVAC System, Air Conditioning, Automatic Temperature Control, Dual Zone

C05

Roof, Convertible Folding

C2L

Roof Package, Dual Removable, Consists of CC3 and CF7

C60

HVAC System, Air Conditioning, Manual Control

DD0

Mirror, Outside, LH & RH, Remote Control, Electric, Heated, Light Sensitive

DD8

Miror, Insode, R/V Light Sensitive

DL5

Decal Roadside Service Information

DL8

Mirrors, Outside, LH/RH Remote Control Electric, Heated

DS1

Sales Diplomatic

D42

Shade, Rear Compartment, Includes Cargo Net

E45

Cover, Convertible Top, Protective

FE1

Suspension System

FE3

Suspension System, Sport

FE4

Suspension System, Special Ride and Handling

F45

Chassis, Continuously Variable, Real Time Damping

GU2

Axle, Rear, 2.73 Ratio

GU6

Axle, Rear, 3.42 Ratio

G90

Axle, Rear, 3.15 Ratio

G92

Axle, Rear, Performance Ratio

JL4

Control, Active Brake

JL9

Brake System, Power, Front and Rear Disc, Antilock, 4-Wheel

K05

Heater, Engine Block

K29

Module, Powertrain Control

K63

Generator, 110 Amp

LS1

Engine, Gas, 8-Cylinder, 5.7L, SFI, Aluminum

LS6

Engine, Gas, 8-Cylinder, 5.7L, SFI, Aluminum HO

MM6

Transmission, Manual 6-Speed, 85mm, 2.66 1st, 0.50 6th, O/D

MN6

Merchandised Transmission, Manual 6-Speed Provisions

MX0

Merchandised Transmission, Automatic O/D Provisions

M12

Transmission, Manual 6-Speed, 85mm, 2.97 1st, 0.57 6th, O/D

M30

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

NA3

Emission System, Japan

NC1

Emission System, California LEV

NF7

Emission System, Federal, NLEV

NK4

Steering Wheel, Sport Leather

NM2

Emission System, Export, Leaded Fuel

NP7

Steering Column, EEC Approved

NT3

Emission System EEC 00

N37

Steering Column, Tilt, Telescoping

N73

Wheel, Custom Sport Magnesium

QE1

Wheel, 17.0 x 9.5" Front and 18.0 x 10.5" Rear, Aluminum, Styled

QF5

Wheel, 17.0 x 8.5" Front and 18.0 x 9.5" Rear, Aluminum, Polished

QG1

Wheel, 17.0 x 8.5" Front and 18.0 x 9.5" Rear, Aluminum, Painted

RPA

Rear Parking Assist

T82

Headlamp Control, Automatic On-Off

T84

Headlamps, RH Rule of Road, E Mark

T85

Headlamps, LH Rule of Road, E Mark

T89

Lamps, Tail & Stop, Export

T90

Lamps, Signaling & Marker, Front, Export

T93

Lamps, Tail & Stop, Special

T96

Lamps, Fog

UD4

Alarm, Vehicle Speed, 120 km/h

UK1

Radio Frequencies, Japanese

UL0

Radio, AM/FM Stereo, Seek/Scan, Auto Reverse Music Search Cassette, Auto Tone, Clock, Electronically Tuned Receiver (ETR)

UL2

Radio Frequencies, European

UN0

Radio, AM/FM Stereo, Seek/Scan, Compact Disc, Auto Tone, Clock, Electronically Tuned Receiver (ETR)

UV6

Display, Head Up

UV7

Antenna, Windshield, Rear Window, Radio

UZ6

Speaker System 6, Quad Front Door Mounted, Dual Quarter Mounted

U1S

Player, Multiple Compact Disc

U19

Instrument Cluster, Speedometer, Metric Canadian, Export

U52

Instrument Cluster, Electronic

U73

Antenna, Fixed, Radio

U75

Antenna, Power, Radio

VD1

Provision Options, Europe

VE1

Provision Options, Japan

VG1

Protector Underhood Compound, Corrosion Preventive, Water Based, Clear

VG9

Protector, Wax, Exterior Body

VH5

Plate, Vehicle Identification

VL4

License Plate Mounting Package, Front, EEC

V41

Kit Accessory

V49

License Plate Frame

V73

Vehicle Statement, US/Canada

V76

Tow Hooks

V78

Vehicle Statement Delete

V87

Vehicle Statement, Gulf States Organization

XFW

Tire, Front, P265/40R17-91Y, BW R/PE ST TL HW4

XGG

Tire, Front, P245/45R17-89Y, BW TL SBR HW4, EMT

XMC

Tire, Front, P245/45R17-89Y, BW R/PE ST TL HW4

YFU

Tire, Rear, P295/35R18-91Y, BW R/PE ST TL HW4

YGH

Tire, Rear, P275/40R18-94Y, BW TL HW4 SBR, EMT

YME

Tire, Rear, P275/40R18-94Y, BW TL HW4 SBR

Z49

Modifications, Canadian, Mandatory Base Equipment

Z5X

Mirror Provisions, Arabic Language

Z51

Performance Package, Handling