First Digit: Indentifies the country in which the vehicle was built.
1 = U.S.A.
Second Digit: Identifies the Manufacturer.
G = General Motors
Third Digit: Identifies the automotive division.
2 = Pontiac
Fourth Digit: Identifies the car line.
F = Firebird
Fifth Digit: Identifies the series.
S = Firebird Base Model
W = Firebird Trans Am
Sixth and Seventh Digit: Identifies the body type.
87 = 2-Door Coupe
Eighth Digit: Identifies the engine.
S = 173 CID, 2.8L, V-6, M.F.I (Chevy)
E = 305 CID, 5.0L, V8, TBI (Chevy)
8 = 305 CID, 5.7L, MFI (Chevy)
F = 305 CID, 5.0, V-8, MFI (Chevy)
Ninth Digit: Identifies the check digit.
Tenth Digit: Identifies the model year.
F = 1988
Eleventh Digit: Identifies the assembly plant.
L = Van Nuys
Last Six Digits: Represent the basic production numbers, 100001/up
Service Parts Identification
Service Parts Label Identification Label is located on the console door. It includes the vehicle
identification number, a listing of option codes, paint type, paint cade, convertible top code and an
interior trim code.
(need picture of the body number plate)
Example:
1 Country of Mfg. USA
G Manufacturer GM
2 Car Division Pontiac
F Car Line Firebird
S Series Base
2 Body Types 2-Dr. Coupe
1 RestraintS ystem Manual Belts
F Engine 305CID, V8, Chevy
X Check Digit
J Model Year 1988
L Assembly Plant Van Nuys, CA
100001 Body Number
Option Codes
AQ9 Adjustable Custom bucket Seats
31 Power Windows
CC1 Vinyl Bodyside Mouldings
Paint Type & Coat
BC CC Base Coat/Clear Coat
Paint Code
L848 Lower Body Color Black
U848 Upper Body Color Black
Trim Number
The Trim Number indicates the interior trim color and material.
Color Cloth Vinyl Leather Code
Black X 192#
Black X 19B,19C, 19D#
Camel X 662#
Camel X 66B,66C*,66D*#
Dark Carmine X 72B, 72C*,
Dark Gray X 82B, 82C*, 82D#
Dark Gray X 822#
* Custom
# Deluxe
The Paint Code
The Paint Code indicates the exterior paint color. A two part paint code indicates the bottom and top colors. Vehicles using the letters L and U indicate which code represents the lower body and the upper body colors respectively. Included on this label is a four digit number indicating the exterior body color. This number has been noted along with the exterior GM code.
Color WA Number Code
White 3967 11
Sivler Metallic 8535 12
Silver Metallic 9021 13S
Medium Gray metallic 8573 15
Medium Maui Blue Metallic 9184 19
Bright Blue Metallic 8751 23
White 8554 40
Black 8555 41
Yellow GOld 8929 51
Medium Orange Metallic 8748 63
Flame Red Metallic 8748 74
Bright Red 8774 81
Gunmetal Metallic 7782 87
Paint Types:
The Paint Type Code indicates what type of paint was used on the car.
DIS Lacquer Dispersion Lacquer
SOL Lacquer Solution Lacquer
BC CC Base Coat/Clear Coat
Water
Enamel
Transmissions:
The 700R4 Automatic
Transmission code is located on the right rear oil pan rail and includes the year, model, Julian
build date and shift built.
Example:8YPMYXXXXXXXXX267A
8 Model Year (1988)
YP 305 CID Application
M Transmission Type (THM 700-R4)
Y Build Location (Toledo)
267 Julian Date
A* Shift Built (1st)
*A&B - First shift
C&H - Second shift
D - Day
N - Night
Code CID
YPM 305
YWM 305
YXM 173
YZM 305
The Build Date Code
Starts with the Julian date (day of the year) on which 1988 production started. The build date
code continues with the Julian date until December 31 (365). The sequence then continues
until the end of the 1985 production. EXAMPLE: January 20, 1985 would translate to a build
date code of 385.
Note:
In addition to the transmission production code number, all passenger cars have a portion of the
vehicle identification number stamped on the transmission. The condensed vehicle identification
number consists of the division identification number, model year, assembly plant designation and
vehicle build sequence number.
The Rear Axle Code
Is a two letter code stamped on the front passenger side of the axle tube or on an identification
tag attached to the carrier cover. It identifies that axle code ratio and if the axle is equipped with
the Safe-T-Track option.
Code Ratio Year
6HE 2.73 88
6HP 2.73 88
6HT 2.73 88
4ET 2.77 88
6HB 3.08 88
6HF 3.08 88
6HK 3.08 88
6HQ 3.23 88
4EU 3.27 88
8EU 3.27 88
6HL 3.42 88
4EW 3.45 88
8EW 3.45 88
7EW 3.45 88
Regular Production Options (RPO)
Description Code
Seat Adjuster, 4 Way Manual Driver AH3
Custom Seat Belts AK1
Adjustable Custom Seats - Lear Siegler AQ9
Door Locks AU3
Glass, Soft Ray, All Windows AO1
Windows, Power A31
Trunk Lid Release A90
Acoustic Insulation BS1
Luxury Trim Group B20
Mats, Carpeted Front Floor B34
Engine 5.7L, V-8 B2L
Carpted Front & Rear Mats B34
Luggage Compartment Trim B48
Moldings, Vinyl Bodyside B84
Hatch Roof w/removable Glass Panels CC1
Controlled-cycle Windshield Wipers CD4
Electirc Rear Window Defrost C49
Custom Air Conditioning C60
Electronic Day/Night Mirror DD8
Sport OSRV Mirrors DG7
Roof Console Subwoofer Controls DK6
Hood Applique DX1
Mirror, Visor Vanity, RH D34
Cargo Screen D42
Spoiler, Rear Deck D81
Ralley ll D83
Limited Slip Differential Axle G80
4 Wheel Disc Brakes J65
Cruise Control w/Resume Feature K34
Engine, 2.8L, V6 LB8
Engine, 5.0L, V-8, MFI LB9
Engine, 5.0L V8, 4BC LG4
Engine, 5.7L, V-8, BC, HO, TPI L98
Engine, 5.0L, V-8 L03
Transmission, 5-Speed Manual MM5
Transmission, Automatic, 4Spd w/Torque MX0
Steering Wheel, Leather wrapped NP5
Formula 3 spoke Leather Steering Wheel NK3
Wheels, 15 x 7" Finned Turbo Cast - Alum N24
Steering Wheel - Tilt N33
Wheels, Cast Aluminum N90
Wheels, Custom Wheel Covers N96
Wheels, Diamond-Spoke Aluminum PW7
Tires, P235/60VR15 Steel Belted Blackwalls QAC
Tires, P245/50VR16 Steel Belted Blackwalls QDZ
Tires, P215/65R15 Steel Belted Whte Ltrs QYH
Tires, P215/65R15 Steel Belted Blackwalls QYZ
Articulating Performance Seats TBD
Lamp group TR9
Battery, Heavy Duty UA1
Delco Am/Fm Stereo w/o Clock UK4
Delco Am/Fm Stereo w/seek-scan UM6
Delco Am/Fm Stereo w/seek-scan & clock UM7
6 Speaker Sub Woofer UQ7
Delco Touch Control UT4
Delco Am/Fm Stereo w/graphic Eq UX1
Rally and Instrument Panel Tach Gauges U21
Electronic Gauge Cluster U52
Power Antenna U75
Heavy Duty cooling V08
Front License Plate Mounting VK3
Special Performance Package WS6
Trans Am GTA Y84
Rally Turned Suspension Y99
Resources:
Amos Press Inc. Catalog of FIREBIRD ID Numbers 1967-1993
