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VIN Breakdown and Engine ID numbers 82-93

This will show you how to break down your VIN (vehicle identification number) and also give you your engine block ID number...
Characters

Sample VIN

1GT D T 1 8 Z 0 J 8 100001

1,2, 3

1GT
Division
1GC = Chevrolet
1GT = GMC
4 D
GVW Range and Brake System
B = 3001-4000 Hydraulic
C = 4001-5000 Hydraulic
D = 5001-6000 Hydraulic
5 T
Line and Chassis type
S = 2 wheel drive
T = 4 wheel drive
6
1
Series
1 = 1/2 Ton
7
8
Body Type
4 = Pickup 8 = Blazer / Jimmy
8 Z
Engine Description
1982 A = 1.9L 4 Cyl B = 2.8L V6
1983 A = 1.9L 4 Cyl B = 2.8L V6 Y = 2.0L 4 Cyl
1984 A = 1.9L 4 Cyl B = 2.8L V6 S = 2.2L 4 Cyl Diesel Y = 2.0L 4 Cyl
1985 A = 1.9L 4 Cyl B = 2.8L V6 E = 2.5L 4 Cyl S = 2.2L 4 Cyl Diesel
1986 & 87 E = 2.5L 4 Cyl R = 2.8L V6
1988 - 90 E = 2.5L 4 Cyl R = 2.8L V6 Z = 4.3L V6
1991 A = 2.5L 4 Cyl E = 2.5L 4 Cyl R = 2.8L V6 Z = 4.3L V6
1992 - 93 A = 2.5L 4 Cyl R = 2.8L V6 W = 4.3L V6 Z = 4.3L V6
9 0
Check digit
10
8
Model Year
C = 1982
D = 1983
E = 1984
F = 1985
G = 1986
H = 1987
J = 1988
K = 1989
L = 1990
M = 1991
N = 1992
P = 1993
R = 1994
11
8
Assembly Plant
B = Baltimore, MD
E = Pontiac, MI
F = Flint, MI
J = Janesville, WI
T = Tarrytown, NY
V = Pontiac, MI
Z = Ft Wayne, IN
0 = Pontiac, MI
1 = Oshawa, ONT, Canada
2 = Moraine, OH
3 = Detroit, MI
4 = Scarborough, ONT, Canada
7 = Lordstown, OH
8 = Shreveport, LA
12-17 100001
Build Sequence Number
 

Engine Identification Numbers
The 6 Cyl engine numbers are stamped on a pad located on the right side of the engine at the rear of the distributor...

S10 = Chevy and S15 = GMC
S10 and S15 = 2 wheel drive and T10 and T15 = 4 wheel drive through all years

1.9L VIN code A 4 Cyl 116 CID

1982 s10 & s15
  • TMA, TMB, TMF, TMK, TML, TMM, TMR, TMS

1983 S10, S15 & T10, T15

  •  UMB, UMC UMD, UMF, UMH, UMJ, UMK, UMM

1984 S10 S15 & T10 T15

  •  FZJ, FZK, FZM, FZN, FZR, FZS, FZT, FZU 1985 S10 & S15 FJJ, FZJ, FZK

 

2.0L VIN Code Y 4 Cyl 122 CID

1983 S10 S15 & T10 T15

  • FKM, FKU, FKW, UKA, UKB, UKC,UKD, UKF, UKK, UKM, UKU, UKW, UKX, UKY, UKZ, ULA, ULJ, ULM, UWA, UWB, UWC, UWM

1984 S10 S15 & T10 T15

  • FKA, FAB, FKC, FKD, FKH, FKZ, FWA, FWB, FWC, FWD, FWF, FWH, FWJ, FWK, FWM, FWN, FWR, FWS, FWT, FWU, FWW, FWX, FWY, FWZ, FXL,FXM, FXS, FXT, FXU,FFX
2.2L Diesel VIN code S 4 Cyl 1984 S10 & S15
  • FZW, UMU 1985 S10 & S15 FZW, PZW, UMU
2.5L VIN code E 4 Cyl 151 CID

1985 S10 S15 & T10 T15

  • AAK, AAL, ABM, ABS, AHL, AKA, AKB

1986 S10 S15 & T10 T15

  • ABM, ABS, B4L, B4M, B4P, B4S, BBK, BBL, BBR,BBS, BBU

1987 S10 S15 & T10 T15

  • WTC, WTD, WTF, WTH, WTJ, WTK, WTL

1988 S10 S15 & T10 T15

  • XHF, XHH, XJN,XJP

1989 S10 S15 & T10 T15

  • ANJ, ANL, TKA, TKC

1990 S10 S15 & T10 T15

  • BUP, BUR

1991 S10 S15

  • BUP, BUR
2.5L VIN code A 4 Cyl 151 CID

1991 S10 & S15

  • CWC, CWD

 1992 S10 & S15

  • CWC, CWD, CXA

1993 S10 & S15

  • CWC, CWD, CXA
2.8L VIN code B V6 173 CID

 1982 S10 & S15

  •  TAD, TAF, TAH, TAJ, TAK, TAL, TAM, TAR, TAS, TAT, TAU, TAW, TAX, TAY, TWA, TWD, TWF, TWH,TWJ

1983 S10 S15 & T10 T15

  • UNA, UNC, UNR, UNS, UNV, UNZ, UWL, UWZ, UWY, UWZ, UXC, UXD, UXJ, UXK, UXY, UXZ,UYC, UYD, UYF, UYX, UYY, UZB, UZF, UZK, UZM, UZU, UZW

1984 S10 S15 & T10 T15

  •  FXY, FXZ, FYA, FYB, FYC, FYD, FYF, FYH, FYJ, FYK, FYM, FYN, FYR, FYS, FYT, FYU, FYX, FYY, FYZ, FZA, FZB, FZC, FZD, FZF, FZM

 1985 S10 S15 & T10 T15

  •  TAA, TAB, TAC, TAD, TAF, TAH, TAJ, TAK, TAM, TAR, TAS, TAT, TAU, TAW, TAX, TAY, TAZ, TBB, TBC, TBD, TBF, TBH, TBN, TBP
2.8L VIN code R V6 173 CID

 1986 S10 S15 & T10 T15

  •  GCA, GCB, GCC, GCD, GCF, GCG, GCH, GCJ, UCF, UCH, UCJ, UCK

1987 S10 S15 & T10 T15

  • FDA, FDB, FDC, FDD

1988 S10 S15 & T10 T15

  • PCA, PCB, PCC, PCD, PCF, PCH

1989 S10 S15 & T10 T15

  • TMA, TMB, TMC, TMD, TMF, TMH

1990 S10 & S15

  • TMA, UJC

1991 S10 & S15

  • FKJ, UJC

1992 S10 & S15

  • XHF

1993 S10 & S15

  • AAZ
4.3L VIN code Z V6 262 CID

1988 S10 S15 & T10 T15

  •  PAN, PBN, PBR, XXC

1989 S10 S15 & T10 T15

  • THA, THB, THC, THT,THU, THW, XXC

1990 S10 S15 & T10 T15

  •  UTM, UTN, UTP, UUK, UWC, UWD, UWF, UWH, UWJ, UWK, UWL, UWM, UWN XXC

1991 S10 S15 & T10 T15

  • FLY, FLX, FMK,FMA, FMB, FMC,FMX, UTM, UTN, UTP, UUK, UWC, UWD, UWF, UWH, UWK, UWM

1992 S10 S15 & T10 T15

  • XFA, XFB, XFC, XFD, XFN, XFS, XFT, XFU, XFY, XJB, XJC, XJD

1993 S10 S15 & T10 T15

  • AJF, AJH, AJJ, AJK, AJN, AJP, AJS, AJU, AJW, AJX, AJY
4.3L VIN code Z V6 262 CID Turbo

1991 S15 & T15

  • Turbo 1LD


1992 S15 & T15

  • Turbo 2LD


1993 S15 & T15

  • 3LD
4.3L VIN Code W V6 262 CID

1992 S10 S15 & T10 T15

  • XFK, XFW


1993 S10 S15 & T10 T15

  •  AJD, AJL, AJT
Writeup by Jeff Henderson (Diesel)
Info found from LMC, Chiltons, and a few different places on the net...

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Last Modified: 7-13-05 JCH