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Decoding Ford casting numbers

 
  Understanding Fords casting number system    
  Breaking down the Ford casting number Basic part number  
       

Understanding Ford casting numbers system

Understanding Ford casting numbers is easy once you understand the numbering structure. Ford used a wide variety of structures for their part numbers and date codes. The majority of casting part numbers have 9 digits within 3 different groups and the first digit is the start of the part number.

The Ford casting number always starts with the 'Decade' letter'(see table 1.3). Ford started using this structure in the late 50's with the first letter being 'B' . In the 60's the letter changed to 'C' and 'D' for the 70's and so on. The Decade digit is always followed by the 'Year' number. The combination of Decade and Year indicate the actual model year the part was originally designed for .

   C5AE-9425-B
Identifies this part as 60's decade, 5th year.  Making it 1965 application

The Decade letter is the start of the Ford casting number, even if additional numbers or groups of numbers are found nearby you should always look for the the Decade letter for then start of the casting number.

There are typically 3 groups of numbers and each group is often separated by either a dash or a space in between the groups. In some cases there is no space between between the 2nd and 3rd group of numbers.

   

Take a look at this sample casting number for a 1969 428 CJ carburetor

C9AE-9510-M 

C9AE-9510-M
Application information
 C9AE-9510-M

Basic Part number

 C9AE-9510-M
Engineering version

 

Another version of the casting number contains only 2 groups of numbers for which it identifies the Application Information and the Engineering Version. There are even some castings containing only 1 group of numbers which identifies only the Application Number.

     

Take a look at this sample casting number for a 1967 flywheel

C7TE-B 

 C7TE-B
Application information
 C7TE-B
Engineering version

 

Breaking down the Ford casting number

Table 1.3

C9AE-9510-M

Decade    alpha

B = 50's  C = 60's   D = 70's  E = 80's

C9AE-9510-M

Year   numeric

9 = 9th year of the decade

C9AE-9510-M

Model design    alphanumeric

A = Full size ford   (see table 2.1 for more)

C9AE-9510-M

Engineered component    alpha

E = Engine   (see table 2.2 for more)

C9AE-9510-M

Basic Part number, mostly numeric between 4 and 6 digits,

9510 = carburetor  (see table 2.3 for more)

C9AE-9510-M

Engineering version    alphanumeric (up to 3 digits but mostly single alpha digit)

M = 13th version of C9AF-9510 carburetor

 

Model Design   ( the 3rd digit from the first group)

The Model Design digit is the 3rd digit in the part number. It identifies the intended model for the part.It consists of mostly a letter but with some car models a number replaces the letter.

Most parts are designed for more then one model application. They are generic Model Design digits like A O or S. These generic digits make the part universal and/or specific to a body type.

Take this example, C8OE-9510-D is a 1968 Carburetor designed for 390 motor with Fairlane body type. But this was not designed exclusively for the Fairlane application alone as the carburetor was also used on Mustangs 390 and Cougars 390.

Some parts are designed for specific application in mind. Often when a specific Model Design digit like Z or W (Mustang or Cougar) is found on a part, the part is most often specific to the intended designed model.

Take this example, D0ZF-9510-AA is a 1970 428 CJ carburetor designed for the Model Mustang and used only on Mustangs.

Ford usually designed parts for a specific body line. This is true, but it is important to understand that most parts are not limited to a specific body line. Most parts where also used on several models and body lines.

Take this example, C8AE-9425-F is a 1968 390 intake design for the Galaxie but the intake was also used with on all models and car lines with the 390 engine. Basic Design Digit "A" is a generic code.

The Model Design digit is often the most misunderstood piece of information found on Ford casting numbers.

The Model Design digit is only a partial reference to the intended application but by no means does this imply a specific application. It should only be used as a basic guide to understanding the intended application. 

Take this example, C5AE-9425-M is a 1965 289 intake designed for Galaxie with 289 motor but the part may have been used on every model car line with the 289 motor. The Mustang 289 also uses this intake; which means that you will never see a Z as the 3rd digit on this intake when ford used it on Mustangs.

 

Table 2.1 Model Basic design. The 3rd digit.

XXAX-XXXX-X

Generic Full size ford

XXCX-XXXX-X
Remanufactured part 1966-1975
XXDX-XXXX-X
Falcon/Maverick
XXEX-XXXX-X
Truck
XXFX-XXXX-X
Foreign or Trans Am racing
XXGX-XXXX-X
Comet 1961-1967 or Montego 1968-1976
XXHX-XXXX-X
Holman Moody Hiperf parts or 1966-1982 Heavy truck
XXJX-XXXX-X
Industrial
XXLX-XXXX-X
Lincoln
XXMX-XXXX-X
Mercury
XXOX-XXXX-X
Fairlane(all) and Torino 1967-1976
XXSX-XXXX-X
Thunderbird
XXTX-XXXX-X
Truck
XXUX-XXXX-X
Econoline Club Wagon Van
XXVX-XXXX-X
Lincoln
XXWX-XXXX-X
Cougar
XXYX-XXXX-X
Meteor 62-72 (Canada), Bobcat 75-81
XXZX-XXXX-X
Mustang
XX6X-XXXX-X
Pantera

Only important or relevant applications show in this table

 

Engineering Component   ( the 4th digit from the first group)

Engineering Component is the 4th digit in the part number and always an alpha letter. It identifies which Ford engineering group designed the part and to which major component group the part belongs to.

Take this example, C8AE-8505-H contains letter E which identify this part as an engine component or belonging to the engine division. In fact this is the part number for a 1968 390-428 Water pump.

Not all Engineering Component letters are meant for a major component group. X is used for special parts and Y or Z are often service parts.

Take this example, C6OZ-6675-A contains letter Z which identifies this part as a Ford service part. In fact this part is an oil pan meant for Big Block engines and was ordered from Ford with this part number. The original Ford casting number for the oil pan is C6OE-6675-A which indicates this oil pan is an engine part and belonging to the engine division. 

The 4th digit Engineering Component identifier represents the major component group to which the part belongs to and/or the Ford division that originally designed the part.

Table 2.2 Engineering Component. The 4th digit.   

XXXA-XXXX-X
Truck division
XXXC-XXXX-X
Body and electrical
XXXE-XXXX-X
Engine group
XXXF-XXXX-X
General parts, Electrical and Electronic
XXXH-XXXX-X
Climate Control
XXXJ-XXXX-X
Autolite / Ford parts and Service division
XXXM-XXXX-X
Performance vehicle and Holman Moody
XXXP-XXXX-X
Automatic Transmission
XXXR-XXXX-X
Manual Transmission
XXXU-XXXX-X
Axle and Driveshaft
XXXX-XXXX-X
Special vehicle parts (muscle parts) or Emissions or Economy
XXXY-XXXX-X
Linclon and Mercury service parts
XXXZ-XXXX-X
Ford service parts / Aftermarket parts

Only important or relevant applications show in this table

 

Basic Part Number   ( Second group of numbers )

Basic Part Number group is a mostly a 4 digit numeric group of numbers.

Take this example, C6AE-9425-K contains part number 9425 which identifies this part as an intake manifold.

 

The Basic Part Number group may also be 5 or 6 digits in length and may also contain letters. Letters are only found with part numbers longer then 4 digits. Letters should be removed to reveal the true Part Number group.

Take this example, D0ZF-10A336-A contains part number 10A336. Removing the letter A reveals this part belonging to Alternator group 10000-10499. In fact this part is the alternator mounting bracket on a 1970 BOSS 302.

 

Table 2.3 Basic Part Number group.

XXXX-XXXX-X
 
1000-1250
Wheels, Hubs and Drums
2001-2900
Brakes
3000-3764
Front Suspension and Steering
4000-4296
Rear axle
4600-4859
Drive shaft
5000-5176
Frame
5200-5299
Muffler and Exhaust
5300-5499
Front suspension and Stabilizer
5550-5832
Rear springs
6000-6898
Engine base assembly
6905-7997
Transmission and Drivetrain, including Clutch related
8000-8499
Radiator and Grill
8500-8689
Water pump and Fan
9002-9296
Fuel Tank and Supercharger
9301-9420
Fuel pumps
9421-9499
Manifolds and clamps, including intake and exhaust manifolds
9500-9599
Carburetors and Superchargers
9600-9699
Air cleaner
9700-9999
Accelerator, Choke and Linkage
10000-10449
Generator and Alternator
10500-10576
Battery and Voltage regulator
10838-10990
Instruments
11000-11382
Starter
11450-11688
Lighting and Ignition switch
12000-12425
Ignition coil, Distributor, Condenser and Spark plugs
13002-14689
Lamps, Horns and wiring
15000-15858
Miscellaneous accessories
16000-16999
Fenders and Hood
17248-17383
Speedometer and Tach
17402-17666
Windshield wipers and Windshield washer
17700-17999
Mirrors and Bumpers
18000-18125
Shock absorbers
18148-18249
Comfort and Convenience accessories
18250-18699
Heater
18800 & 18900
Radio & Speakers
19500-19585
Custom accessories
19600-19980
Air conditioning

Only important or relevant applications show in this table

 

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