1 FRAMES SPRINGS BUMPER T 7 003 FRAME ASSEMBLY 1 VNOTE If Muffler Mounting Bracket on old frame of 1955 42nd Ser trucks does not match the bracket on A gig zflacing frame transfer or check parts stock for matching bracket and attaching parts 66 Group 68 72 Ser 20 30 D D w 125 W B 6272127 1 i I 68 72 Ser 30 Fleetside w 133 W B e 69 72 Ser 20 Fleetside w 133 W B A exc 4 WD 6272153 1 1 r 89 70 Ser 20 w rr leaf springs 6272145 1 71 Ser 10 Conv w 115 W B t exc rear leaf Spring 6272131 1 71 72 Ser 10 Conv Cab w 127 I W B exc rear leaf Spring 6272133 1 1 67 70 Ser 10 w 127 W B exc Cab A 4 WD f 71 72 Ser 10 Conv Sub 6272135 1 71 72 Blazer C 325171 1 r 88 72 Ser 10 Cab w 127 W B leaf 1 spring exc 4 WD 71 72 Ser 20 Conv Cab 127 W B 1 w rear leaf spring 6272145 1 71 72 Ser 30 D D w 137 W B 325067 1 I 68 70 Ser 30 D D w 157 W B r 71 Ser 30 D D w l57 W B exc 400 r 72 Ser 30 D D w 157 W B 325069 1 1 7 006 MEMBER REINFORCEMENT Framle Side 67 70 Ser 10 20 Cab w 127 W B exc 4 WD leaf spring 71 72 Ser 10 20 Conv Cab w 127 W B exc rr leaf spring 3999913 1 left 7 007 MEMBER Extended K f NOTE For Members see Group 7 009 l 7 009 EXTENSION Frame A I 71 G 10 thru 30 I 3998263 L H left side rail front and floor panel riser 72 I G 10 thru 30 6260943 L H left side rail front and floor panel riser 71 72 G 10 thru 30 6260944 R H right side rail front and floor panelriser A 7 010 e MEMBER SUPPORT ASSY Frame Cross Front A 63 87 Ser 10 D D 1 I I 63 66 Ser 10 thru 30 exc D D 4 WD front cross also used as rad ysupt 83 66 4 WD 2nd Ser 7 87 72 Ser 10 D D 3903645 1 cross member 67 70 Ser 10 thru 30 exc 3 53 1 T Diesel D D B 68 72 Ser 20 30 D D A A 71 72 Ser 10 thru 30 Conv 4 WD A Blazer 3989709 1 front cross 88 70 Ser 10 exc 4 WD 1 68 69 Ser 10 Cab w H D Spring 4 396 exc 4 WD D D 3929112 1 w stg knuckle control arm bracket k 71 72 G 10 6271207 1 w brk front susp strg knuckle control 71 72 Ser 10 Conv Blazer C Cab I exc H D spring 400 6270366 1 w brk frt susp strg knuckle cont 1 67 68 G 10 20 250 w P G 3885839 SUPPORT ASSY radiator lower 1 270 7 011 SUPPORT BRACE Engine attaches to frame side rails 67 as Sei I0 20 4 WD Blazer i 71 72 Blazer K exc Muncie 4 Spd T H 350 3889205 1 trans 67 89 Ser 10 thru 30 w A T exc 4 WD 71 72 Ser 10 thru 30 Conv D D I 4 Blazer C w A T 3953849 1 trans 68 69 Ser 20 30 D D exc A T 68 6 Ser 10 thru 30 8 cyl exc 396 D D 4 WD A T 71 72 Ser 10 thru 30 Conv Blazer C 8 cyl exc A T 400 71 72 Ser 20 30 D D exc A T 3989710 1 rear 68 69 Ser 10 thru 30 396 exc I I T H 71 72 Ser 10 Conv 115 127 W B I w 400 exc T H 400 71 72 Ser 20 30 Conv exc T H V r 400 3989712 1 rear GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TL s i REV 5 79 7 1 7 003 7 01 1