How to read FoMoCo date codes

How to Read FoMoCo Date Codes

 

Original Ford glass, sheet metal and other parts were usually date coded in one of several formats. To perform the most accurate restoration on your classic Ford, you should use parts manufactured reasonably near and prior to the build date of your car.
Here’s a brief guide to Ford date codes, as they would appear on a series of hypothetical parts manufactured at Dearborn during the 3rd Work Shift on 14 February 1966:

 

Code Meaning Used On
14 Feb 66 Plain Date Stamp Heater Motor (Ink Stamp)
Feb 14 1966 Plain Date Stamp Alternator (Ink Stamp)
14B «14» = Date
«B» = Month:
A or N = Jan
B or P = Feb
C or Q = Mar
D or R = Apr
E or S = May
F or T = Jun
G or U = Jul
H or V = Aug
J or W = Sep
K or X = Oct
L or Y = Nov
M or Z = Dec
Data Plate
B14 Reversed from above
(Letters A-M only)
Sometimes seen on Build Tag
(aka «Body Buck Tag»)
6F14B «6» = 1966
«F» = Mustang
«14B»-See Above
Horn (Ink Stamp)
6B14 «6» = 1966
«B» = Feb
«14» = Date
Heater Core
6B14C «6» = 1966
«B» = Feb
«14» = Date
«C» = Work Shift
(A-C = 1st-3rd Shift)
Power Steering Pump Tag
Steering Gear Tag
Transmission Tag
6B14Q «6» = 1966
«B» = Feb
«14» = Date
«Q» = Inspector’s Code Letter (A-Z)
Engine Block
6B «6» = 1966
«B» = Feb
Glass (Lower LH of «Carlite»)
Engine Tag
6BC Same, plus:
«C» = 3rd Week of Month
(A-E = 1st-5th Week)
Carburetor
Distributor
Rear Axle
Radiator (Some)
F6BC Same, preceded by:
«F» = Mustang(?)
May also be a Manufacturing Plant Code.
(Some other codes seen: «Y» or » «(Blank))
Heater Box (Ink stamp)
Heater Plenum (Ink stamp)
6MB «6» = 1966
«M»(Large) = Supplier («M» – Motor Wheel Corp, Michigan)
«B» = Feb
Wheels (stock steel rims)
2 14 D 3
2 14 3
«2» = Feb (1-12 = Jan-Dec)
«14» = Date
«D» = Location (opt):
A = Chicago
B = Buffalo
C = Cleveland (Walton Hills)
D = Dearborn
M = Monroe, MI
W = Woodhaven, OH

«3» = 3rd Shift
Sheet Metal
Hinges
2-66
2 66
«2» = Feb (See Above)
«66» = 1966
Latches
Radiator
8-66 «8» = 8th Week
«66» = 1966
Seat Belts
2/66 «2» = 2nd Quarter
«66» = 1966
Clamps
Belts
026x «02» = February (01-12 = Jan-Dec)
«6» = 1966
x = Unknown (Poss A-Z may appear here, or blank(?))
York A/C Compressor