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Mopar Engine Codes (version 1.4)

Compiled by and copyright © 1999: Ed Hennessy.

Sources: Hembree Blue Book (1966-1967), Hollander VIN Decoder (1968- ). Thanks to David Wright and Lynn Travers of the Shelby Dodge Auto Club MidWest for 1966 and turbo corrections. Chrysler's TC by Maserati info courtesy George Kulp.



Engine type is coded in Chrysler VINs beginning in 1966. Prior to 1966, the VIN only distinguished a 6 cylinder model from an 8 cylinder model.

Chrysler used two VIN systems. The first, used from 1966-1980, has 13 digits, and the engine code is the 5th digit. The second has 17 digits and the engine code is the 8th digit. As usual, there's an exception. Chrysler's TC by Maserati has the engine VIN digit in the fifth position.

(Jeep used the AMC system until a few years after Chrysler acquired it. Jeep then switched to the Chrysler conventions. See below.)

Knowing the year of the car is often necessary to determine which engine code to use. The year is coded in the 6th (13-digit system) or the 10th digit. (In both cases, the year code is 8 characters from the end of the VIN, or 2 characters before the six-digit sequential build number.) >From 1966 to 1979, the last number of the calendar year was used, and 6 through 9 were repeated (0 *was* used for 1970). Beginning in 1980, the year was coded alphabetically, beginning with 'A' and skipping 'I,' 'O,' and 'Q.' (H=1987, J=1988, N=1992, P=1993, R=1994, etc.)

This list does not include Dodge truck engine codes, which, except for the minivans, are mostly different than those for cars. In fact, the truck VINs use a different system, and may even omit the engine code. (The Jeep list includes all codes from 1981, regardless of usage.)

CodeEngineYears Used
A170-11966-69
1.7-21978-82 (VW)
1.6-21983-86 (Peugeot)
2.2 T21987-89 (including '89 TC, 5th VIN digit)
2.2 T31991-93
B225-11966-69
198-11970-74
2.2-21981-82
1.7-21983
CSpecial Order 6 cyl1966-69
225-11970-80
2.2-21983-87
2.2 T41990
D2731966 (2 or 4 bbl)
273-21967-69
225-21977-80
2.6-21981-82
2.2 EFI1985-94
E318-21966
273-41967
Special order 6 cyl1970-80
225-11981-82
2.2 T11984-88
488 V101992-
F3611966 (2 or 4 bbl)
318-21967-69
225-1 HD1981-82
2.2-2 HP1984-86
3.51993-
G3831966 (2 or 4 bbl)
383-21967-69
318-21970-80
225-21981-82
2.6-21983
H426 Hemi1966
383-4 HP1967-69
340-41970-73
318-41978-80
225-11983
J4401966
426 Hemi1967-69
340-61970-71
360-41974-79
225-1 HD1983
2.5 T11989-91
KSpecial Order V81966
440-41967-69
360-21971-80
318-21981-82
225-21983
2.5 EFI 1986-95
L440-4 HP1967-69
383-21970-71
360-4 HP1974-78
318-2 HD1981-82
MSpecial Order V81967
440-61969
400-21972-76
318-41981-82
N383-41970-71
400-41974-78
318-4 HD1981-82
P340-41968-69
400-41972-73
400-4 HP1974-78
318-21983-89
R426 Hemi1970-71
318-41983-87
2.2 T1989-90 TC only--5th digit (DOHC Maserati head)
2.01990- DSM Eclipse/Talon only
3.31990- non-LH
S318-4 Police1983-89
3.01990-91 TC code ONLY--5th digit (same Mitsu 3.0)
T440-41970-77
1.81990- DSM Eclipse ONLY
3.31993- LH
U440-4 HP1970-77
2.0 T1990- DSM Eclipse/Talon ONLY
3.01990-
V440-61970-72
X2.2 LPG 1987
ZSpecial Order V81970-78
318 LPG1987
33.01989-
4318-4 HD1984-89
7318 LPG1987
82.2-2 HD1984-86
Jeep

Engine code in VIN:

  • 4th digit 1981-1988
  • 8th digit 1989-

Codes from 1981-present: Unless marked as diesel or EFI, all listed engines used 2 barrel carburetors.

CODE BEngine and SourceYears Used and Notes
B2.5 Pontiac2.1 diesel 1981
2.1 diesel 1985-87
C258 AMC1981-88
E2.5 EFI AMC1989-90 unleaded gas
F145 diesel 1981-83
G2.5 EFI AMC1989-90 leaded gas
H304 AMC1981-83
2.5 EFI AMC1986-88
L232 AMC1981-83
4.0 EFI AMC1989-90 unleaded gas
M4.0 EFI AMC1987-88
258 AMC1989-90 low compression
N360 AMC1981-88
P2.5 EFI AMC1991-
S4.0 EFI AMC1991-
T258 AMC1989-90


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