COOLANT GRILLE OIL SYSTEM 1 148 GAGE Coolant Temperature Dash Unit Con t 68 74 Y 6490857 1 13 73 GAGE TH ERM 444 4 76 76 Y 4 4 44 8992298 I 14 12 GAGE COOLANT TEMP 44 77 Y 4 8992792 J 13 13 GAGE TEMP 78 Y 4 8993063 1 14 00 GAGE W RES 4 44 79 Y 4 4 4 8993319 1 15 31 GAGE W RES 1 150 CONNECTOR GAGE SWITCH SENDER Coolant Temperature Engine Unit 77 78 Y 2962965 I 17 CONNECTOR TEMP SW 79 80 Y 8993372 1 7 20 GAGE THERM 70 72 Y 6489785 1 7 37 SWITCH 73 74 Y 6490453 1 7 37 SWITCH 74 Y 3030951 I 10 3I SWITCH THERM VAC 3 670 75 76 Y Y 9031988 1 10 82 SW TCH EXH HT VLV ACTR VAC CONT IN WAT OTLT HSG 77 79 Y EXC GAGES 6490694 I N L SWITCH 78 60 Y 350 W A C SP H PER 8993958 1 6 45 SWITCH ENG TEMP 56 78 Y W GAGES 1513821 1 5 42 SENDER WATER TEMP BUT CONN 80 Y 305 8993911 1 29 10 SENSOR WATER TEMP 1 152 CORD Engine Heater 69 70 Y 732591 1 4 80 CORD 1 1 53 CLAMP OUTLET Coolant Vhen using 469519 in place of 336790 It will be necessary ta use one 1 444667 plug 76 78 Y 3706737A R 11 CLAMP HEX HD WORM GEAR 1 6 DIA 55 61 Y W 480 3827369 I 8 30 OUTLET CAST IRON J 62 65 Y EXC F l SP H PER 3827389 1 9 30 OUTLET CAST IRON 65 Y 396 3827369 1 9 30 OUTLET CAST IRON 66 Y 427 W A R 3827369 1 9 30 OUTLET CAST IRON 66 68 Y 327 W SP H PER 3827369 I 9 3 0 OUTLET CAST IRON 56 60 Y W DUAL 4BC F 3837223 1 2 95 OUTLET CAST ALUM 62 Y W F l SP H PER 9837223 1 2 95 OUTLET CAST ALUM 83 65 Y 327 W SP H PER F I 3827370 1 3 90 OUTLET 66 70 Y 327 350 427 EXC SP H PER 9877660 1 3 20 OUTLET 70 73 Y 3877660 1 3 20 OUTLET 74 78 Y 336790 I 3 45 OUTLET 79 80 Y 469519 I 3 45 OUTLET NOTE 1 1 154 GASKET Coolant Outlet 53 80 Y l 3 701777 1 23 GASKET 2 HOLES I 1 I D 1 159 HOSE Radiator Intake V NOTE INLET hose is used between top of radlator and engine coolant outlet 0UTLET hoses group 1 173 ere used between bottom of radiator and cyllnder block NOTE Some hoses have been replaced with hoses of e different length or configuretian This replecement hose in many Instances wlll require eurtlng using old pert es guide 55 81 Y 8 CYL EXC DUAL 4BC 3788191 I 4 75 HOSE 1 g I D 61 62 Y EXC H L CAM 2ND DESIGN 3788191 I 4 75 HOSE I e l D 58 81 Y W F H P 3777482 1 5 05 HOSE l I D 63 65 Y EXC F SP H PER C A C 9827368 1 5 40 HOSE 1 I D 63 65 Y W F SF H PER EXC 396 3827368 1 4 75 HOSE 1 I D 85 Y 396 2ND DESIGN 3879680 1 6 40 HOSE 1 4 I D 66 67 Y 427 9908616 1 5 05 HOSE 1 I D 68 Y 427 W H D 3906616 1 5 05 HOSE 1 X I D 66 67 Y 327 EXC SP H PER 8887154 1 6 20 HOSE 1 S I D 66 67 Y 327 W SP H PER 3867156 1 6 10 HOSE 1 u I D 88 Y 427 9947868 1 5 05 HOSE 1 x I D 68 Y 327 W 4 SPD EXC SP 1 H PER C A C 3935466 1 6 50 HOSE 1 I D 68 70 Y W 3 SPD EXC H PER 0 A C 427 3995486 1 6 50 HOSE 1 g I D 68 Y 327 W SP H PER 3935466 1 6 50 HOSE 1 I D 71 72 Y 350 W 4 SPD EXC SP H PER C A C 8935466 1 6 50 HOSE 1 A I D Q 68 Y W C A C EXC 427 T H 3917870 1 6 50 HOSE l l D 88 Y W T H EXC 427 3917670 1 6 50 HOSE 1 I D 69 70 Y W T H EXC 427 454 3946852 1 6 40 HOSE 1 l D 69 Y W C A C EXC T H 427 3946852 I 6 40 HOSE I l D GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 14 1 148 1 159 1 12 REV 6 79