This Parts Book contains all of the serviceable material released to date of publication covering the 1951 series of GMC Truck Models 100 thru 350 ARRANGEMENT The book is divided into major groups these major groups being the same in all Parts Books Maintenance Manuals etc Major groups appear in the sequence indicated in the Major Group Index shown on the first page of the book Each Major group is divided into subgroups Parts within a subgroup are listed in alphabetical order with each part name having a specific detail group number These detail group numbers are indicated in all illustrations and indexes and are a positive reference they pinpoint the location of the part NEW PARTS All part numbers which are peculiar for 1951 are indicated with an ampersand in nu merical index MODEL DATA Rear Rear Specific Axle Axle Engine Trans Trans Model Model Wheelbase Std Opt Type Std Opt Cab Cowl 100 22 101 22 116 GMC GMC 3 sp GMC 4 sp 1654 Std 1656 Flat Back 102 22 125 1 4 H 033 SM 318 SM 420 1657 with W S 150 22 152 22 125 1 4 GMC 228 GMC 3 sp GMC 4 sp 1654 Std 1656 Flat Back H 050 SM 318 SM 420 1657 with W S 250 22 125 1 4 GMC 228 GMC 4 sp 1654 Std 1656 Flat Back W 137 11 072 sM 420 1657 with w s 280 22 281 22 137 GMC GMC 4 sp 1654 Std 1656 Flat Back w 161 H 110 s1v1 420 1657 with w s 300 24 301 24 137 GMC GMC 4 sp Clark 205V 1654 Std 1656 Flat Back E 149 H 110 s1v1 420 5 sp D D 1657 with w s 303 24 161 119 S300 2 197 GMC GMC H 130 248 GMC 4 sp 1656 Flat Back H 110 or SM 420 2 sp D P Eaton 1350 I 350 24 351 24 137 GMC 2sp D P 248 GMC 4 sp Clark 205V 1654 Std 1656 Flat Back 149 14 120 Eaton 1350 SM 420 6 sp 1 1 1657 with w s E 161 354 24 179 355 24 197 F350 2411351 24 110 GMC 2 sp D P 248 GMC 4 sp Clark 205V 1675 Std F352 24 137 H 130 Eaton 1350 sM 420 5 sp D D F353 24 161 F354 24 179 SERIAL NUMBERS SERIAL NUMBERS As it is important to always specify serial number of vehicle when ordering parts we are showing below the locations where these numbers appear i t 1 H Doon much i77 i 1 CYL shock shrimp PILLAR msTR1BUT0R 5 1 i ii i iii A i 2