COOLANT GRlLLE OIL SYSTEM 1 745 ADAPTER ARRESTOR CONNECTOR GASKET GROMMET KlT NIPPLE TEE TUBE VALVE VENTILATOR WASHER Crenkcase C0n t 69 72 Y 8 CYL EXC H D 427 454 SP H PER 350 6423595 1 N L VALVE VENT CV 736C I I 70 73 Y 350 W SP H PER 6484525 1 2 39 VALVE VENT CV 746C 73 Y EXC SP I I PER 6487532 1 N L VALVE C CASE VENT 74 75 Y EXC SP H PER 6487779 1 N L VALVE C CASE VENT CV 774C 74 80 Y 350 W SP H PER 6487945 1 2 79 VALVE C CASE VENT CV 775C 76 81 Y 350 EXC SP H PER 6487779 1 N L VALVE C CASE VENT CV 774C 80 81 Y 305 6487779 1 N L VALVE C CASE VENT CV 774C 55 67 Y 265 283 327 3728502 1 17 00 VENTILATOR MTD INSIDE OF ENGINE J 5 I LG 59 67 Y 382105 I 15 WASHER VENT TUBE BRACKET S I I D X 0 D 4 037 1 758 CAP GASKET 0iI Filler I 53 55 Y 6 CYL 850843 1 1 27 CAP 55 Y 8 CYL 6419440 1 3 37 CAP AIR BREATHER TYPE FB8 I 83 65 Y EXC 396 3714893 1 1 30 CAP 65 67 Y 396 427 850843 1 1 27 CAP 1 66 67 Y 327 W SP H PER 3881834 1 1 65 CAP I 66 Y 427 EXC SP H PER 3714893 I 1 30 CAP 67 68 V J 3881834 I 1 55 CAP 68 70 Y 427 454 3851735 I 2 00 CAP CHROME 69 74 Y 350 850843 1 1 27 CAP 69 80 Y 350 W SP H PER 3851735 1 2 00 CAP CHROME 71 76 Y 454 3980273 1 N L CAP i 75 79 Y EXC SP H PER 850843 1 1 27 CAP 80 Y 305 350 EXC SP H PER 850843 1 1 27 CAP I 63 65 Y 3723688 1 22 GASKET 1 I I D X I u 0 D COFIK 1 1 762 CLIP HOSE PIPE TUBE Crankcase Ventilator Outer NOTE 1 It may be necessary to cut 6 from lower and to tubs asm NOTE 2 It may be necessary to out I from IV end 64 69 Y 3877445 1 23 CLIP IJ I 67 Y 427 W SP H PER 3902360 1 2 80 HOSE VENT T0 A CL I 68 72 Y EXC 427 454 3932336 1 3 35 HDSDE CQCASE VENT A CL TO RKR CVR I V N TE I 68 Y 427 W 3 ZBC SP H PER 3880362 1 3 40 HOSE TO A CL 68 72 Y 427 454 EXC 3 ZBC SF H PER H D 3916380 1 2 70 HOSE TO A CL I 73 76 Y 3905067 1 6 00 HOSE TO A CL 3 675 I 73 75 Y 350 330534 1 3 35 PIPE I 73 74 Y 454 330523 I 3 20 PIPE 76 81 Y 3970072 1 1 10 PIPE 5 61 62 Y 283 327 EXC CLOSED I VENT 3776635 I 6 25 TUBE NOTE 1 I 64 67 Y 327 W SP H PER 3849733 1 10 00 TUBE VENT T0 A CL I 66 67 Y 327 EXC SP H PER 3902402 1 8 20 TUBE VENT T0 A CL 1 800 FITTING SENDER SWITCH Oil Pressure See group 9 748 for tell tele windows I 68 72 Y 6481492 1 4 10 FITTING GAGE ADAP 73 77 Y 370801 1 10 85 SENDER 1 76 80 Y W GAGES 547034 1 N L SENDER I 74 79 Y EXC GAGES 3815936 1 N L SWITCH 77 79 Y EXC SP H PER 3815936 1 N L SWITCH 1 803 BRACKET BUSHING ELBOW FITTING GAGE HOSE PIPE Oil Pressure 70 72 Y 454 3954228 I 37 BRACKET GAGE PIPE 74 79 Y 6258296 I 3 35 BUSHING OIL PRESS SENDER I 68 72 Y 6258269 1 5 15 ELBOW SENDER 69 72 Y 396 427 454 EXC SP H PER H D 3954219 I 1 90 ELBOW SW 69 71 Y 427 454 W SP H PER H D 3954220 1 4 20 ELBOW SW 73 Y 350 6258269 1 5 15 ELBOW SENDER 80 81 Y 3954222 1 2 75 FlTTlNG SENDER 68 73 Y 6462928 1 25 29 GAGE 74 Y 6464081 1 16 55 GAGE 75 76 Y 5464285 1 15 31 GAGE W RES i V 77 Y 5464854 1 14 00 GAGE W RES I 78 80 Y 25025147 1 14 87 GAGE W RES I 73 Y 350 3906192 1 2 05 HOSE GN I D X 0 D W II 24 INT THREAD NUT EA END BLACK NYLON I 2 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 14 REV 5 80 1 19 1 745 1 803