This the book that dealership parts & service departments used to order parts. The illustrations can help you to identify parts. You will find some illustrations in this book, though not for every part. The illustrations are for mechanical parts and body part numbers are listed, but not illustrated. The text is a list of the parts available at the time of publication in 1940 with data such as part numbers, model-year application and/or component application, part names, and more.
You will find original parts numbers, which are still useful today because most parts vendors still use those numbers to keep track of their stock. You can also use this parts book to find out which parts on your car interchange with other years and models covered in this book. Parts books are the authority on the correct equipment for your vehicle; you'll know definitively which parts and accessories are original when you use this book.