I Model C I S Jeep Parts List This parts list covers serviceable items for Model C 5 Jeep on which production started at Chassis Serial No 454 GB3 10 001 Engine Serial No 71785 with F Head Alphabetical Index At the back of the book just ahead of the Numerical Index the Alphabetical Index lists items by name Item names are arranged alphabetically followed by group and sub group numbers V V Numerical Index Located at the back of the book this index lists part num bers in sequence followed by description and group and sub group numbers Abbreviations Follow the group index Illustrations Illustrations bear a figure number and caption and a legend in dicating reference number description and group and sub groups Standard Parts These are listed in the Alphabetical Index in sequence accord ing to size Willys and General Motors part numbers are shown in the Numerical Index The purpose for which the parts are required is shown in the group listing description inset under the item with which they are used or attached Special Equipment and Accessories Those available from the Parts Division are listed in Group 35 Welding Assemblies A Welding Assembly consists of two or more sheet metal parts welded together at the plant in Fixtures for accuracy Parts for assemblies which cannot be welded to advantage in the Field are not listed except in occasional instances where the cost of a welding assembly would be excessive Engine Serial Number Location Engine serial number is stamped on top water pump boss at upper front end of cylinder block Undersize Bearings and or Oversize Pistons Definite information is given by letters stamped after the engine number Code is as follows Letter A 10 001 A indicates OlO undersize main and connecting rod bearings Letter B 10 001 B indicates Ol0 oversize pistons Letters AB l0 00l AB indicates 0l0 unclersize main and rod bearings V and 0l0 oversize pistons 2