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How to Read FoMoCo Part Numbers
Ford part numbers (other than hardware parts) are coded in two basic ways: Regular parts have a four character prefix (LFLL), a four or five digit part number, and a one-letter suffix.
Example: C5ZZ-5255-F (Exhaust "turn-down" tailpipe on '65-66 289 4V Non-GT Mustangs)
Many body-style specific interior and trim parts use seven digits in the part number, the first two of which identify the basic body style application, with the last five identifying the specific part within a general body area. A three-letter suffix may be used, usually to indicate color.
Example: C6ZZ-6504290-BAB (Instrument Panel, 1966 Mustang, Black)
The following tables attempt to further elaborate on the coding of the various portions:
| Decade | Year | Model | Department |
|
A = 1940's (often omitted) |
Last digit of year of introduction or revision |
A = Ford (Generic) / Galaxie |
A = Chassis |
Note: For 1940's parts ("A") the first character is sometimes omitted. Similarly, the final character is occasionally dropped at the whim of the Ford Parts Number creators. Thus, such items as "Ford Rubber Cement" may appear with a part number of "8A-19552-B", rather than "A8AZ-19552-B"
Regular Parts
| Part Identifier | Suffix |
|
1000 = Wheels |
Single letter indicates specific application |
Note: Subassembly parts or accessory kits may add an additional letter (starting with "A", then "B", and so on) following the Thousands digit in the part number identifier. Thus, we have a Mustang automatic transmission shift lever with part number "C5ZZ-7213-M", while the accompanying selector dial for a center-console equipped Mustang would be "C5ZZ-7A213-D".
Interior & Trim Parts
| Body Style | Part Identifier | Suffix |
| 25 = Luggage Rack 50 = Mercury 53 = Lincoln 54 = 4-Door 57 = Ford 60 = Ford 62 = 2-Door Sedan/Coupe 63 = 2-Door Hardtop (Mustang Fastback) 64 = ? 65 = 2-Door Hardtop (Mustang) 66 = Ranchero 71 = Wagon 76 = Convertible 81 = Truck 83 = Truck 87 = Truck 89 = E100 91-99 = Bronco |
25 = Luggage Rack 50 = Mercury 53 = Lincoln 54 = 4-Door 57 = Ford 60 = Ford 62 = 2-Door Sedan/Coupe 63 = 2-Door Hardtop (Mustang Fastback) 64 = ? 65 = 2-Door Hardtop (Mustang) 66 = Ranchero 71 = Wagon 76 = Convertible 81 = Truck 83 = Truck 87 = Truck 89 = E100 91-99 = Bronco |
Single letter indicates specific
application.
Three-letter code usually indicates color. |
Note: As above, subassembly parts or accessory kits may add an additional letter, in this case following the Hundreds digit of the part number identifier. Thus the 1966 Rotunda Headrest Kit (Black) features Ford part number "C6AZ-62612A18-A"
