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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)
B = 1950's
C = 1960's
D = 1970's
E = 1980's
F = 1990's

Last digit of year of introduction or revision

A = Ford (Generic) / Galaxie
C = Truck
D = Falcon
F = Foreign / Trans Am Racing
G = Comet (Later Montego)
H = Holman/Moody HiPo Part
J = Industrial
L = ?
M = Mercury
N = ?
O = Fairlane (Later Torino)
P = Autolite (Later Motorcraft)
Q = ?
R = Rotunda (Generic)
S = Thunderbird
T = Truck
U = Econoline/Club Wagon Van
V = Lincoln
W = Cougar
Z = Mustang

A = Chassis
B = Body
D = ?
E = Engine
F = Engine Accessories
J = Autolite
M = Holman Moody
P = Auto Transmission
R = Manual Transmission
S = ?
U = ?
W = Axle
X = Muscle Car Parts
Y = Lincoln/Mercury Service Parts
Z = Service Parts

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"

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Regular Parts

Part Identifier Suffix

1000 = Wheels
2000 = Brakes
3000 = Suspension & Steering
4000 = Axle & Driveshaft
5200 = Exhaust
5300-5400 = Front Springs & Stabilizer
5500-5900 = Rear Springs
6000 = Engine
7000 = Transmission
8000 = Radiator, Grille, Cooling & Belts
9000 = Fuel System & Fuel/Oil Gauges
10000 = Charging & Instruments
11000 = Starting
12000 = Ignition
13000 = Lamps & Horns
14000 = Wiring
15000 = Accessories
16000 = Moulding & Ornaments
17000 = Safety Equipment (Jack, Speedometer, Washer, Wipers, Mirrors, Bumpers)
18000-18100 = Shocks
18200-18700 = Comfort-Convenience Equipment (Floor Mats, Heater)
18800 = Radio & Antenna
18900 = Speakers
19000 = Gasoline
19100 = Fire Extinguishers
19500 = Custom Accessories & Car Care
19600-19900 = Air Conditioning

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".

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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"

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Last modified: 11/22/2002