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
X = Firebird S/E
Sixth and Seventh Digit: Identifies the body type.
87 = 2-Door Coupe
Eighth Digit: Identifies the engine.
2 = 151 CID, 2.5L, 4-Cyc., TBI
1 = 173 CID, 2.8L, V6
L = 173 CID, 2.8, 2 BC, High Output
H = 305 CID, 5.0L, 4BC V8
G = 305 CID, 5.0L, V8 BC, High Output
Ninth Digit: Identifies the check digit.
Tenth Digit: Identifies the model year.
E = 1984
Eleventh Digit: Identifies the assembly plant.
N = Norwood
L = Van Nuys
Last Six Digits: Represent the basic production numbers, 100001/up
Body Number Plate
The Body Number Plate indentifies the model year, car division, series, style, body assembly
plant, body number, trim combination, paint codes amd build date. The plate is located under the
hood on the radiator cross support.
Example:
E Model Year 1984
09D Build Date September 4th Week
2 Car Division Pontiac
FW Series Trans Am
87 Body Style 2-Door Coupe
N Assembly Plant Van Nuys, CA
100001 Body Number
17B Interior Trim Dark Charcoal Vinyl
19L Lower Body Color Black
19U Upper Body Color Black
W Paint Tpye Water
AR9 Seat Type Recliner Bucket Seats
Build Date
The Build Date indicates the month and week the car was built.
Code Month Code Month
01 JAN A 1ST
02 FEB B 2ND
03 MAR C 3RD
04 APR D 4TH
05 MAY E 5TH
06 JUN
07 JUL
08 AUG
09 SEP
10 OCT
11 NOV
12 DEC
Style Number
The Style Number is a combination of the make, series and body style.
Style Code
Firebird Hardtop Coupe 2FS87
Trans Am Hardtop Coupe 2FW87
Firebird S/E 2FX87
Assemlby Plant
The Assemlby Plant code indicates where the car was built.
Assembly Plant Code
Norwood N
Van Nuys L
Body Number
The Body Number is the production serial number of the body.
Trim Number
The Trim Number indicates the interior trim color and material.
Color Cloth Vinyl Leather Code
Dark Charcoal X 17R
Dark Charcoal X 17B,17C
Dark Royal Blue X 22R
Dark Royal Blue X 22B,22C
Light Sand Gray X 60R
Light Sand Gray X 60B,60C*
Light Sand Gray X 604
Camel Tan X 64R
Camel Tan X 64B,64C*
Camel Tan X 642*/643#
Dark Briar Brown X 67R
Dark Briar Brown X 67B,57C*
* Custom
# Deluxe
Paint Code
The Paint Code indicates the exterior paint color. A two part paint code indicates the
bottom and top colors.
Color Code
White 11
Black 19
Light Royal Blue 22
Medium Dark Royal Blue 27
Cream Beige 59
Light Briar Brown Metallic 62
Light Briar Brown Metallic 67
Spectra Red 75
Dark Goldwing Metallic 65E
Dark Goldwing Metallic 65W
Midnight Sand Gray Metallic 82E
Midnight Sand Gray Metallic 82W
Silver Sand Gray Metallic 15E
Silver Sand Gray Metallic 15W
Light Royal Blue Metallic 22E
Light Royal Blue Metallic 22W
Medium Dark Royal Blue Metallic 27E
Medium Dark Royal Blue Metallic 27W
Light Briar Brown Metallic 62E
Light Briar Brown Metallic 62E
Drak Briar Brown Metallic 67E
Drak Briar Brown Metallic 67W
Paint Type Code
The Paint Type Code indicates what type of paint was used on the car.
Type Code
Lacquer L
Enamel E
Water W
Seat Type Code
The Seat Type Code indicates the type of seats installed in the car.
Type Code
Recliner Bucket AR9
Articulating Bucket AQ9
(Full P&D Slide)
Transmissions:
The Build Date Code
starts with the Julian date (day of the year) on which 1984 production started. The build date code
continues with the Julian date until December 31 (365). The sequence then continues until the
end of the 1982 production.
NOTE:
In addition to the vehicle application and Julian build date code, Hydra Matic Division also includes
the model year, model and sequence number.
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:4YP267A
4 Model Year (1984)
YP 305 CID Application
267 Julian Date
A* Shift Built (1st)
*A&B - First shift
C&H - Second shift
D - Day
N - Night
Code CID
PQ 151
Y7 173
Y8 305
YF 305
YG 305
YH 173
YP 305
YW 305
The Build Date Code
Starts with the Julian date (day of the year) on which 1984 production started. The build date code
continues with the Julian date until December 31 (365). The sequence then continues until the end
of the 1983 production. EXAMPLE: January 20, 1983 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.
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 Locking
6ES 3.08 84
6ET 3.08 84
6EV 3.08 84
6EW 3.23 84
6EX 3.23 84
6HF 3.23 84
6HG 3.23 84
6HH 3.23 84
6JH 3.23 84
6JJ 3.42 84
6PJ 3.42 84
6EC 3.73 84
6JK 3.73 84
6JM 3.73 84
6KK 3.73 84
6PK 3.73 84
6PM 3.73 84
6PQ 3.73 84 Yes
6HJ 3.08 84 Yes
6HK 3.08 84 Yes
6HL 3.23 84 Yes
6HM 3.23 84 Yes
6HN 3.23 84 Yes
6JZ 3.23 84 Yes
4PR 3.42 84 Yes
6HO 3.42 84 Yes
6HP 3.73 84 Yes
6HS 3.73 84 Yes
6JQ 3.73 84 Yes
6EB 3.73 84
6EP 3.42 84 Yes
6EU 3.08 84 Yes
6HR 3.73 84 Yes
Regular Production Options (RPO)
Description Code
6-Way Power Drivers Seat AC3
Custom Seat Belts AK1
Adjustable Custom Seats - Lear Siegler AQ9
Bucket Seats - Reclining AR9
Door Locks AU3
Glass, Soft Ray, All Windows AO1
Windows, Power A31
Remote Control Deck Lid Release A90
Added Acoustical Insulation BS1
Roof Drip Moldings BX5
Luxury Trim Group B20
Mats, Carpeted Front Floor B34
Mats, Carpeted Rear Floor B35
Luggage Compartment Trim B48
Custom Exterior Group B57
Moldings, Roof Drip B80
Moldings, Vinyl Bodyside B84
Moldings, Door Edge Gaurd B91
Hatch Roof w/removable Glass Panels CC1
Controlled-cycle Windshield Wipers CD4
Rear Window Wiper - Washer System C25
Electirc Rear Window Defrost C49
Custom Air Conditioning C60
Dome Reading Lamp C95
Sunshield, Louvered Rear Window DE1
Sport OSRV Mirrors DG7
Hood Applique DX1
Mirror, Visor Vanity, RH D34
Mirror, Dual Sport OSRV D35
Cargo Security Screen D42
Spoiler, Rear Deck Lid D53
Spoiler, Rear Deck D80
Custom 2 Tone Paint D84
Stripe, Vinyl D98
Limited Slip Differential Axle G80
Power Disc Brakes, front and rear J65
Engine Block Heater K05
Cruise Control w/Resume Feature K34
Heavy-duty Generator, 66 amp K81
Heavy-duty Generator, 85 amp K99
Engine, 173 CID, 2.8L V6, 2BC LC1
Engine, 305 CID, 5.0L V8, 4BC LG4
Engine, 2.8L, V6, 2 BC, High Output LL1
Engine, 151 CID, 2.5L L-4 LQ9
Engine, 5.0L, V-8, High Output L69
Transmission, 4 Speed Manual MM4
Transmission, 5-Speed Manual MM5
Transmission, Automatic, 4Spd w/Torque MX0
Steering Wheel, Leather wrapped NP5
Locking Fuel Filler Door NO9
Wheels, 15 x 7" Finned Turbo Cast - Alum N24
Steering Wheel - Tilt N33
Hi-Tech Cast Aluminum Wheel (15") N78
Wheels, Turbo Cast Aluminum N89
Wheels, Cast Aluminum N90
Wire Wheel Covers w/Locking Package N91
Wheels, Custom Wheel Covers P02
Wheel Trim Rings P06
Wheel Locking Package PB4
Wheel Trim Rings P06
Tires, 195/75R14 Whitewall Steel-Belted Radial QVJ
Tires, 195/75R14 White Letter - Steel Belted QXQ
Tires, 195/75R14 Blackwall Steel Belted Radial QXV
Tires, 205/75R14 Blackwall Steel Belted Radial QYA
Tires, 205/75R14 Whitewall Steel-Belted Radial QYC
Lamp group TR9
Battery, Heavy Duty UA1
Digital Quartz Clock UE8
Delco AM w/Digital Clock UL6
Dual Front and Rear Speakers UP8
Rally and Instrument Panel Tach Gauges U21
Delco AM Radio System U63
Power Antenna U75
Subwooder Six Speaker System UQ7
Delco AM/FM Stereo UU6
Delco ETR Stereo AM/FM UU7
Delco ETR Stereo w/o clock UU9
Cooling Heavy Duty UU9
Front License plate Mounting V08
Special Performance Package WS6
Special Performance Package WS7
Aero Package W51
Recaro Trans Am Package Y84
Resources:
Amos Press Inc. Catalog of FIREBIRD ID Numbers 1967-1993
