Only important or relevant applications show in this tableĮngineering Component ( the 4th digit from the first group)Įngineering Component is the 4th digit in the part number and always an alpha letter. 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. 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. It should only be used as a basic guide to understanding the intended application. The Model Design digit is only a partial reference to the intended application but by no means does this imply a specific application. The Model Design digit is often the most misunderstood piece of information found on Ford casting numbers. Basic Design Digit 'A' is a generic code. 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. Most parts where also used on several models and body lines. This is true, but it is important to understand that most parts are not limited to a specific body line. Take this example, D0ZF-9510-AA is a 1970 428 CJ carburetor designed for the Model Mustang and used only on Mustangs.įord usually designed parts for a specific body line. 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. Some parts are designed for specific application in mind. But this was not designed exclusively for the Fairlane application alone as the carburetor was also used on Mustangs 390 and Cougars 390. Take this example, C8OE-9510-D is a 1968 Carburetor designed for 390 motor with Fairlane body type.

These generic digits make the part universal and/or specific to a body type. They are generic Model Design digits like A O or S. Most parts are designed for more then one model application. It identifies the intended model for the part.It consists of mostly a letter but with some car models a number replaces the letter. The Model Design digit is the 3rd digit in the part number. Model Design ( the 3rd digit from the first group) Engineering version alphanumeric (up to 3 digits but mostly single alpha digit)

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