GENERAL INFORMATION ra Complete familiarity with the information contained on these pages as well as the general layout of the Parts Book will prove helpful in locating and ordering the desired parts The Book is arranged in sections as follows Model Series Identification Alphabetical Index Chassis Parts Listing groups 0 000 to 9 0l1 inclusive Commercial Body Parts Listing groups 16 000 to 17 999 inclusive Numerical Index The Group System of listing parts is used and briefly is as follows Main units of the vehical are identified by the Numeral preceding the Decimal i e Engine 0 Cooling and Oiling 1 Electrical s 2 Fuel System 3 Some Parts may be listed elsewhere than in its original or prime Group and in such listings the prime Group is indicated in parentheses This procedure is necessary as a part can have but one identifying Group Number for ordering or bin location For example under Group Number 3 751 Part Number 7020926 is listed as Carburetor Choke Valve Screw and the prime Group 3 820 is shown in the description column For convenience all parts added tc a reprint will be indicated with a bullel l following the model year This bullet will appear for one reprint only Brake applicatlon charts appear in front of group 4 589 These charts must be used to determlne the correct brake system and replacement parts READING TR UCK MODEL APPLICATION x The Truck Models included in this publication are listed as follows Conventionals Forward Control G Models and Forward Control P Models Conventional Models will be indicated with a C Conventional Models with 4 Wheel Drive will be indicated with a K Forward Control Step Van Models will be indicated with a Forward Control Cab Van Chevy Van and Vandura Models will be indicated with a G For further clarification see the Truck Series Identification Charts which follow the General Information Section of the catalog 197084 TRUCK CATALOG FORMAT The 197 84 truck catalog format is written in a almllar way to that ofthe passenger car catalog utlng model codes In place of body styles RPO regular production options will also In most cases be called out in code wldescription where needed Refer to the RPO Iist for proper identification of RPO e WHEELBASE When the wheelbase dimension is essential to differentiate between models a 3 digit model number will be used Example CK209 43 All CK2 w 164 5 W B and Cab 4 door CK109 03 All Cl l w 131 5 W B and Cab 2 door only GII3 213 All G1 2 w 125 W B only P314 42 All P3 w 157 W B exc M H C l t G3l0 All G3w ll0W B onlyl CK105 Blazer Jimmy only V WAREHOUSlNG AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION LT TRUCK 52A REV 1 84 1