| Code | Meaning | Used On |
|---|---|---|
| Plain Date Stamp | Heater Motor (Ink Stamp) | |
| Plain Date Stamp | Alternator (Ink Stamp) | |
| "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 | |
| Reversed from above (Letters A-M only) | Sometimes seen on Build Tag (aka "Body Buck Tag") | |
| "6" = 1966 "F" = Mustang "14B"-See Above | Horn (Ink Stamp) | |
| "6" = 1966 "B" = Feb "14" = Date | Heater Core | |
| "6" = 1966 "B" = Feb "14" = Date "C" = Work Shift (A-C = 1st-3rd Shift) | Power Steering Pump Tag Steering Gear Tag Transmission Tag | |
| "6" = 1966 "B" = Feb "14" = Date "Q" = Inspector's Code Letter (A-Z) | Engine Block | |
| "6" = 1966 "B" = Feb | Glass (Lower LH of "Carlite") Engine Tag | |
| Same, plus: "C" = 3rd Week of Month (A-E = 1st-5th Week) | Carburetor Distributor Rear Axle Radiator (Some) | |
| 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) | |
| "6" = 1966 "M"(Large) = Supplier ("M" - Motor Wheel Corp, Michigan) "B" = Feb | Wheels (stock steel rims) | |
2 14 3 | "2" = Feb (1-12 = Jan-Dec) "14" = Date "D" = Location (opt): A = Chicago, IL B = Buffalo, NY C = Cleveland (Walton Hills), OH D = Dearborn, MI M = Monroe, MI W = Woodhaven, MI "3" = 3rd Shift | Sheet Metal Hinges |
2 66 | "2" = Feb (See Above) "66" = 1966 | Latches Radiator |
| "8" = 8th Week "66" = 1966 | Seat Belts | |
| "2" = 2nd Quarter "66" = 1966 | Clamps Belts | |
| "02" = February (01-12 = Jan-Dec) "6" = 1966 x = Unknown (Poss A-Z may appear here, or blank(?)) | York A/C Compressor |