1ST LETTER IS DECADE:

• A = 1940'S (OFTEN OMITTED)
• B = 1950'S
• C = 1960'S
• D = 1970'S
• E = 1980'S
• F = 1990'S

2ND NUMBER IS THE SPECIFIC YEAR OF PART PART INTRODUCTION OR REVISION:

• 0
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9

THIRD LETTER IS THE CAR MODEL:

• A = FORD (GENERIC) / GALAXIE
• C = TRUCK
• D = FALCON
• E = EXPLORER
• F = FOREIGN / TRANS AM RACING
• G = COMET (LATER MUSTANG)
• H = HOLMAN/MOODY HiPo PART
• J = INDUSTRIAL
• L = N/A
• M = MERCURY
• N = N/A
• O = FAIRLANE (LATER TORINO)
• P = AUT0LITE (LATER MOTORCRAFT)
• Q = N/A
• R = ROTUNDA (GENERIC)
• S = THUNDERBIRD
• T = TRUCK
• U = ECONOLINE/CLUB WAGON VAN
• V = LINCOLN
• W = COUGAR
• Z = MUSTANG

THE FOURTH LETTER IS THE PART TYPE:

• A = CHASSIS
• B = BODY
• D = N/A
• E = ENGINE
• F = ENGINE ACCESSORIES
• J = AUTOLITE
• M = HOLMAN MOODY
• P = AUTO TRANNY
• R = MANUAL TRANNY
• S = N/A
• U = N/A
• W = AXLE
• X = MUSCLE CAR PARTS
• X = LINCOLN / MERCURY SERVICE PARTS
• Z = SERVICE PARTS

 

THE NEXT SET OF NUMBERS DETERMINE THE SPICIFIC PART (THE ADDITIONAL NUMBERS IN THIS SECTION ARE APLICATION NUMBERS)

• 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 & INSURMENTS
• 11000 = STARTING
• 12000 = IGNITION
• 13000 = LAMPS & HORNS
• 14000 = WIRING
• 15000 = ACCESSORIES
• 16000 = MOULDING & ORNAMENTS
• 17000 = SAFETY EQUIPMENT (JACK, SPEEDOMETER, WASHER, WIPERS, MIRRORS, BUMPERS INCLUDED)
• 18000 - 18100 = SHOCKS
• 18200 - 18700 = COMFORT - CONVENIENCE EQUIPMENT (FLOORMATS, HEATER)
• 18800 = RADIO & ANTENNA
• 18900 = SPEAKERS
• 19000 = GASOLINE
• 19100 = FIRE EXTINGUISHERS
• 19500 = CUSTOM ACCESSORIES & CAR CARE
• 19600 - 19900 = AIR CONDITIONING

THE LAST LETTER SUFFIX IS FOR REVISIONS AND SUB-ASSEMBLIES
THE EXAMPLE PART NUMBER DECODES TO A 1969 FAIRLANE ENGINE
FORD ALSO USES A BUILD DATE NUMBERING SYSTEM

EXAMPLE = 4A12

THE FIRST NUMBER IS THE YEAR:

• 0
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9

THE SECOND LETTER IS THE MONTH:

• A = JANUARY
• B = FEBUARY
• C = MARCH
• D = APRIL
• E = MAY
• F = JUNE
• G = JULY
• H = AUGUST
• I = SEPTEMBER
• J = OCTOBER
• K = NOVEMBER
• L = DECEMBER