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1973 VIN Number Decoder
In 1973, VIN number were 13 characters in length.

Position #1 - Carline
B = Plymouth Barracuda (E Body)
C = Chrysler (C Body)
D = Dodge Polara / Monaco (C Body)
J = Dodge Challenger (E Body)
L = Dodge Dart (A Body)
P = Plymouth Fury (C Body)
R = Plymouth Satellite / Sebring (B Body)
V = Plymouth Valiant / Scamp (A Body)
W = Dodge Coronet / Charger (B Body)
Y = Imperial (C Body)
Position #2 - Price Class
L = Low
M = Medium
H = High
P = Premium
S = Special
K = Police
T = Taxi
G = Dodge Taxi
Positions #3 & #4 - Body Style
21 = 2 Door Sedan
23 = 2 Door Hardtop
29 = 2 Door Sports Hardtop
41 = 4 Door Sedan
43 = 4 Door Hardtop
45 = 6 Passenger Station Wagon
46 = 9 Passenger Station Wagon
Position #5 - Engine Code
B = 198 CID 6 cylinder (1-1 bbl)
C = 225 CID 6 cylinder (1-1 bbl)
E = Special Order 6 cylinder
G = 318 CID 8 cylinder (1-2 bbl)
H = 340 CID 8 cylinder (1-4 bbl)
K = 360 CID 8 cylinder (1-2 bbl)
M = 400 CID 8 cylinder (1-2 bbl)
P = 400 CID 8 cylinder (1-4 bbl) High Performance
T = 440 CID 8 cylinder (1-4 bbl)
U = 440 CID 8 cylinder (1-4 bbl) High Performance
Z = Special Order 8 cylinder
Position #6 - Model Year
3 = 1973 Model Year (J Series)
Position #7 - Assembly Plant Code
A = Lynch Road Assembly (Detroit, MI)
B = Hamtramck Assembly Plant (Hamtramck, MI)
C = Jefferson Assembly Plant (Detroit, MI)
D = Belvidere Assembly Plant (Belvidere, IL)
F = Newark Assembly Plant (Newark, DE)
G = St. Louis Assembly Plant (St. Louis, MO)
R = Windsor Assembly Plant (Windsor, Ontario, Canada)
Positions 8 through 13 - Sequence Number