4N39T4X100000 |
Located on the top of the dash on the driver's side and visible through the windshield from outside the car.
FIRST DIGIT : Identifies GM Division (4 = Buick)
SECOND DIGIT :Identifies the series
SERIES | CODE |
Appollo Century Century Lexus Regal Century Wagon Century Lexus Wagon LeSabre LeSabre Luxus Estate Wagon Electra 225 Electra 225 Custom Electra Limited Riviera |
B D H J F K N P R T V X Y |
THIRD AND FOURTH DIGITS : identify the body style
BODY STYLE | CODE |
2-Door Hatchback 2-Door Coupe 4-Door Sedan Station Wagon 2-Seat 2-Door Coupe 4-Door Hardtop Station Wagon 3-Seat 2-Door Hardtop or Coupe Convertible 4-Door Sedan 2-Door Hardtop |
17 27 29 35 37 39 45 57 67 69 87 |
FIFTH DIGIT : identifies the engine
ENGINE | CODE |
6-250 V8-350 2-BC Dual Exhaust V8-350 2BC V8-350 4-BC V8-350 Dual Exhaust V8-455 2-BC V8-455 2-BC Dual Exhaust V8-455 4-BC V8-455 4-BC Dual Exhaust v8-455 4-BC Stage I V8-455 4-BC Stage I |
D G H J K P R T U V W |
SIXTH DIGIT : identifies the year (4 = 1974)
SEVENTH DIGIT : identifies the assembly plant
ASSEMBLY PLANT | CODE |
Southgate, Calif. Framingham, MA Flint, MI Van Nuys, Calif. Norwood, OH. Fairfax, KS Wilminton, DE Fremont, CA |
C G H L N X Y Z |
LAST SIX DIGITS : Represent the basic production numbers
EXAMPLE: | ||||||
Div |
Style |
Code |
Plant |
Code |