63 4 WD 6 cyl lst Ser 3835774 2 35 graphite impregnated 6 long 55 58 All 8 cyl 3704783 2 45 4 O L 55 62 All 6 cyl 63 4 WD 6 cyl lst Ser 3812855 2 1 10 rubber 4 0 D 68 70 All 396 3893298 2 95 rubber w steel insert 67 70 All 3 53 5116229 1 5 52 67 70 All 3 53 5196852 1 5 99 oversize 59 67 All 8 cyl 68 70 All Blazer exc 396 3958001 2 1 05 v 63 67 All 6 cyl 63 65 Ser 10 D D 4 cyl 64 67 G 10 20 exc 8 cyl 3792463 1 1 70 SEAL UNIT upper and lower Note 2 NOTE 2 Use 3921972 on 1967 engines with date stamp FO619 thru end of production 67 70 All 3 53 5196851 1 14 22 SLEEVE rr oil seal 0 153 SHIM UNIT WASHER Crankshaft Bearing Cap 38 62 All 6 cyl 63 4 WD 6 cyl 1st Ser 3703648A R 1 70 front 030 thick laminated 38 62 All 6 cyl 63 4 WD 6 cyl 1st Ser 3703650A R 1 70 intermediate 030 thick laminated 54 62 All 6 cyl 63 4 WD 6 cyl lst Ser 3703652 A R 1 70 rear 030 thick laminated 56 62 All 8 cyl 63 70 All Blazer exc 396 3 53 3911010A Fl 1 45 front and intermediate 58 70 All Blazer 283 307 327 350 391 1011 A R 1 45 rear 2 0 L 63 67 All 6 cyl 63 65 Ser 10 D D G 10 4 cyl 3791429A Fl 1 45 rear 1 az O L 68 70 All 396 3877468A R 1 45 front and intermediate 68 70 All 396 3877476A R 1 45 rear 68 70 All Blazer 6 cyl 3928985 A R 2 00 rear 69 70 All Blazer 350 3956690A R 1 45 Note 1 NOTE 1 Used only with four bolt brg cap 67 70 All 3 53 5116197 4 1 00 WASHER aluminum std 67 70 All 3 53 5196756A R 1 12 WASHER brg thrust 010 O S 67 70 All 3 53 5196755 A R 1 10 WASHER brg thrust 005 0 5 0 206 COVER BOLT LOCK NIPPLE PIN Crankcase Front End 38 62 All 6 cyl 63 4 WD 6 cyl lst Ser 838869 1 4 80 w oil seal 55 67 All 8 cyl 3885039 1 4 40 w oil seal double timing mark brkt 63 64 Ser 10 D D G 10 4 cyl 63 67 All 6 cyl 3920988 l 4 50 w oil seal 68 70 All 396 3935443 1 5 25 67 70 All 3 53 5119428 1 80 19 engine frt upper 67 70 All 3 53 5197415 1 62 92 engine frt lower 68 70 All Blazer 6 cyl 3923456 1 4 25 COVER ASSY 68 All 307 327 3917618 1 4 50 COVER ASSY 69 70 All Blazer 307 350 3991433 1 4 60 COVER ASSY 42 62 All 6 cyl 63 4 WD 6 cyl lst Ser 3770308 8 15 BOLT w washer cover attaching V4 2O x Vis 42 62 All 6 cyl 63 4 WD 6 cyl lst Ser 3770309A R 15 BOLT w washer cover attaching 14 20 x 62 All 283 327 3817006 10 10 BOLT V 20 x Via ext Iockwasher 0 679 39 62 All 6 cyl 63 4 WD 6 cyl lst Ser 3835842 1 20 LOCK frt cover bolt 70 All 3 53 51 19477 1 45 NIPPLE 55 62 All 8 cyl 3836732 2 PIN dowel 005 O S 0 738 55 70 All 8 cyl 3836903 2 10 PIN dowel V x 0 738 0 207 GASKET Crankcase Front End Cover 38 62 All 6 cyl 63 4 WD 6 cyl lst Ser 838206 1 20 12 attach holes 55 70 All Blazer 8 cyl exc 396 3799620 1 20 attach 2 dowel holes 63 66 All exc 8 cyl 67 70 All Blazer 6 cyl 3923472 1 30 67 70 All 3 53 5121082 1 52 frt cover upper 67 70 All 3 53 5116386 1 19 frt cover lower 68 All 396 3860096 1 25 l0 holes 69 70 All 396 3935449 1 30 0 213 SEAL SLEEVE Crankcase Front End Cover 38 70 All Blazer exc 396 3980267 1 1 75 crankshaft front oil 67 70 All 3 53 5198503 1 1 72 oil oversize t 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS COFlPORATION P A 3l 0 137 0 21 3 0 e REV 6 71