Original 1950-51 Willys Jeep Dealer Master Parts List. This Parts Book [Second Edition, copyright 1953] covers the 1950-51 4-73 SW, SD, 4X4-73 SW, 6-73 SW, 4-73 VJ, 6-73 VJ, 4-73 HT, 4-73-4WD Models. It has Part Numbers, Group Numbers, Description, Quantity, Application and Illustrations for the Replacement Parts that were available from the Factory. This is what the Dealer used to order parts to repair your Jeep. It is in good condition for its age with normal wear, soiling and blemishing from use in a Dealership [see photos]. Very informative and useful tool for the Jeep Owner that is hard to find.