Quoted from freddy:

So can you decipher this?
C4ZE 1964 Mustang engine
DOZE 1970 Mustang engine
D0ZX 1970 Mustang SVE
C9ZB1969 Mustang body and electrical

ACTURE:

A - 1940
B - 1950
C - 1960
D - 1970
E - 1980
F - 1990
G - 2000
DIGIT #2—YEAR OF THE DECADE:

0 - 1960, 1970, etc.
1 - 1961, 1971, etc.
2 - 1962, 1972, etc.

Example: B8 = 1958; C1 = 1961; C9 = 1969; D9 = 1979, etc.
DIGIT #3—CAR LINE:

A = Ford (from 1958; Galaxie, Custom, LTD)
B = Bronco (1970-1973)
B = Maverick (1975-1977)
B = Fairmont (1978-1983)
C = Remanufactured Parts (1966-1975)
C = Ford Elite (1975-1976)
C = Mercury Capri (from 1979)
D = Falcon (1960-1969)
D = Maverick (1970-1974)
D = Granada (1975-1982)
D = Ford LTD (from 1983)
E = Ford Truck (Cab Over Engine; 1970-1973)
E = Pinto (1976-1980)
E = Escort (from 1981)
F = Foreign or TransAm Racing
F = Outside Sales (from 1962)
G = Mercury Comet (1961-1967)
G = Mercury Montego (1968-1976)
G = Ford EXP (from 1982)
H = Holman Moody HiPo Parts (until 1966)
H = Heavy Truck (1966-1982)
H = Medium Heavy Truck (from 1983)
J = Industrial Engines
K = Edsel (1958-1960)
L = Lincoln (1958-1960)
L = Continental Mark Series (from 1969)
M = Mercury
N = Tractor
O = Fairlane
O = Torino (1969-1976)
O = LTD II (1977-1979)
O = LN7 (1982-1983)
P = Autolite (1967-1972; Motorcraft from 1973)
R = Rotunda Brand (1962-1969)
R = Ford of Europe Imports (from 1970)
S = Thunderbird (from 1958)
T = All Truck Lines (1958-1965)
T = Light Medium Truck/Bronco (1974-1982)
T = Light Truck/Bronco (from 1983)
U = Econoline (1961-?)
V = Lincoln (1961-1981)
W = Cougar (1967-1973)
W = Bobcat (1975-1980)
W = Lynx (from 1981)
X = Trucks (1970-1973)
Y = Meteor (Canadian)
Y = Mercury Bobcat (1975-1980)
Y = Mercury Lynx (from 1981)
Z = Mustang
1 = (not used)
2 = Pinto (1971-1975)
3 = Tempo (from 1984)
4 = Comet (1971-1974)
4 = Monarch (1975-1980)
4 = Cougar (1981-1982)
4 = Marquis (from 1983)
5 = Recreational Vehicles (1974-1975)
5 = Continental (from 1982)
6 = Pantera (1971-1975)
7 = Courier Truck (1971-1975)
7 = Ranger and Bronco II (from 1983)
8 = Capri (1972-1975; U.S.-designed parts)
9 = Turbine Engine Parts (1970-1975)
DIGIT #4—ENGINEERING OFFICE RESPONSIBLE FOR ORIGINAL DESIGN:

A = Light Truck Engineering Division
B = Body and Electrical Product Division
C = Chassis Engineering (Powertrain and Chassis Product Engineering)
D = Overseas Product Engineering
E = Engine Engineering
F = Electrical and Electronics Division (Product Engineering Office)
G = (not used)
H = Climate Control Division (from 1972) (Product Engineering Office)
I = (not used)
J = Autolite/Ford Parts and Service Division (Parts and Service Engineering Office)
K = (not used)
L = Industrial Engine Operations (Ford Parts and Service Division)
M = Performance Operations and Special Vehicle Operations (SVO) (includes Holman Moody)
N = Ford Tractor Operations (Product Engineering Office and Diversified Products Operations)
O = (not used)
P = Automatic Transmission and Axle Engineering
Q = (not used)
R = Manual Transmission and Axle Engineering
S = Light and Heavy Truck Engineering/Truck Special Order Parts
T = Heavy Truck Engineering
U = Special Vehicle Operations (SVO)
V = Vehicle Special Order and Engineering Section
W = Transmission, Axle, and Driveshaft Engineering
X = Emissions, Economy and Special Vehicle Engineering (high performance parts)
Y = Lincoln/Mercury Division Service Parts
Z = Ford Division Service Parts
DIGITS #5-9—BASIC PART NUMBER:

This series of numerals denote the actual part description, i.e., wheel assembly, relay assembly, etc. It is possible a letter or two may also appear within the series of numerals. The basic part number is still the same, however if the alphabetical letters are disreg