Engine & Transmission Identification Numbers

ENGINE IDENTIFICATION NUMBERS
Following is an explanation of data found on the Engine Serial Number Pad
2.2L/2.5L 3.7L, 3.9L & 5.2L ENGINE SERIAL NUMBER & PARTS IDENTIFICATION CODES & SYMBOLS DEFINED:

A = Oversize Cylinder Bore HP = High Performance M = Mound Road Engine T = Trenton Engine/Truck
E = Cast Crankshaft K = Toluca Engine Plant PC = Passenger Car Engine W = Windsor Engine
H = Standard 4 Bbl. LC = Low Compression R = Passenger Car Engine X = O/S Valve Guide
S = Special Engine

DIAMOND ( ) = O/S Tappets MALTESE CROSS (+) = .001 U/S Crankshaft X followed by MALTESE CROSS (X +) = .010 U/S Crankshaft

Engine Number Location Displacement Serial Number Pad Located

1.6L Rear Face of Cylinder Block below Cylinder Head
2.2L/2.5L Rear Face of Block, below Cylinder Head
2.6L (G54B) Right Upper front corner of Block
3.7L Right Side of Block below # 1 Spark Plug
5.2L Left Front of Block below Cylinder Head
5.9L Left Front of Block below Cylinder Head

CAUTION: Replacement Engine Assemblies are furnished with blank engine number pads. Dealers are governed by state and local regulations regarding the affixing of engine numbers to these engines. In states where license fees are based on displacement or taxable horsepower it will be necessary to change the vehicle registration only if the replacement engine differs from the one it replaces.
TRANSMISSION IDENTIFICATION

MANUAL TRANSMISSION (Example PP23044360001)

PLANT CODE COMPONENTCODE DATE CODE SERIAL NUMBER
2 letters 3 digits 4 digits 4 digits
PP - New Process 833 - 435 trans. Based on the 10000 A sequential number
Gear Division 460 - 525 trans. day calendar beginning with 0001
for each day's production

Location: Below centerline on Front Portion of Right Side

AUTOMATIC TRANSMISSION (Example PK3681063W44360001)

PLANT CODE PART NO. CHANGE CODE DATE CODE SERIAL NUMBER
2 letters 7 digits 1 digit 4 digits 4 digits
PK - Kokomo 4269929 W Based on the A sequential number
(Factory use only- 10000 day beginning with 0001
of no significance calendar for each day's
to the field) production.

Location: On Oil Pan Side Rail-Left Side.

NOTE: A derivative of the Vehicle Identification Number is also stamped on all production installed Engines and Transmissions, e.g.:

H D 1000001
Model Year Assembly Plant Vehicle Sequence Number