COOLANT GR LLE OIL SYSTEM 1 159 HOSE Radiator Intake Con t NOTE INLET hose is used between top of radiator and engine coolant out et OUTLET hoses group 1 773 are used between bottom of radiator and cylinder block NOTE Some hoses have been replaced with hoses of a different length or configuration This replacement hose in many instances will require cutting using old part as guide 55 61 Y 8 CYL EXC DUAL 4BC 3788191 1 7 30 HOSE 1 z I D 58 61 Y W F I H P 3777482 1 7 30 HOSE 1 2 I D 61 62 Y EXC H L CAM 2NID DESIGN 3788191 1 7 30 HOSE 1 z I D 63 65 Y EXC F SP H PER C A C 3768956 1 7 30 HOSE 1 z I D 63 65 Y W F I SP H PER EXC 396 3777482 1 7 30 HOSE 1 z I D 65 Y 396 2ND DESIGN 3879680 1 7 30 HOSE 1 u I D 66 67 Y 327 EXC SP H PEER 3887154 1 7 30 HOSE 19 M I D 66 67 Y 327 W SP H PER 3887156 1 7 30 HOSE Is I D 66 67 Y 427 390661 6 1 7 30 HOSE 1 I D 68 Y 327 W 4 SPD EXC SP H PER C A C 3935456 1 7 30 HOSE 1 Z I D 68 Y 327 W SP H PER 3935456 1 7 30 HOSE 1 z I D 68 Y 427 3947856 1 7 30 HOSE 1 z I D 68 Y 427 W H D 3906616 1 7 30 HOSE 1 z I D 68 Y W C A C EXC 427 T H 3917670 1 7 30 HOSE 1 z I D 68 Y W T H EXC 427 3917670 1 7 30 HOSE 1 Z I D 68 70 Y W 3 SPD EXC H PIER C A C 427 3935456 1 7 30 HOSE 1 I D 69 70 Y 350 W SP H PER EXC H D 3768956 1 7 30 HOSE 1 z I D 69 Y 427 W H PER SP H PER 331876 1 7 30 HOSE 69 Y 427 W H D 4 SPD H D 3946011 1 7 30 HOSE 1 Z I D 69 Y W C A C EXC T H 427 368685 1 7 30 HOSE 1 z I D 69 70 Y W T H EXC 427 454 368685 1 7 30 HOSE 1 z I D 70 Y 350 W M T C A C EXC H PER 368685 1 7 30 HOSE 1 z I D 70 Y 350 W H PER 368685 1 7 30 HOSE 1 z I D 70 Y 350 W SP H PER H D 4 SPD 3946011 1 7 30 HOSE 1 Z I D 70 72 Y 454 EXC H D RAD 331876 1 7 30 HOSE 70 72 Y 454 W C A C H PEER 390514 9 1 7 30 HOSE RAD OTLT TUBE FRT HOSE 70 71 Y W H D RAD 3946011 1 7 30 HOSE 1 z I D 71 72 Y 350 W C A C 368685 1 7 30 HOSE 1 Z I D 71 72 Y 350 W SP H PER EXC H D 4 SPD 368685 1 7 30 HOSE 1 z I D 71 72 Y 350 W A T 368685 1 7 30 HOSE 1 Z I D 71 72 Y 350 W H D 4 SPD H PER 368685 1 7 30 HOSE 1 z I D 71 72 Y 350 W 4 SPD EXC SP H PER C A C 3935466 1 7 30 HOSE 1 z I D 73 75 Y 350 368685 1 7 30 HOSE 1 z I D 73 74 Y 454 331876 1 7 30 HOSE 1 z I D 76 Y 1ST DESIGN 368685 1 7 30 HOSE 1 z I D 76 Y 2ND DESIGN 3970124 1 8 95 HOSE 1 2 I D 77 79 Y 1ST DESIGN 1979 3970124 1 8 95 HOSE 1 z I D 79 81 Y 2ND DESIGN 1979 14016075 1 5 60 HOSE 1 I D AT RAD INL AND 1 z I D AT ENG OTLT 1 166 CLAMP Hose with Nut and Bolt 53 81 Y 1470029 AR 1 25 CLAMP WORM ADJ TYPE FOR ts DIA 8 948 3 675 4 128 53 81 Y 2488394 AR 1 25 CLAMP WORM ADJ TYPE 1 TO 2 DIA 53 81 Y 2494772 AR N L CLAMP HEX HD WORM GEAR 4 TO 5 B DIA 2 760 3 130 3 162 3 887 53 79 Y 3749810 AR 1 25 CLAMP HEX HD WORM GEAR 1 TO 6 8 948 56 81 Y 2465838 AR 98 CLAMP WORM TYPE 2 z TO 3 z 67 79 Y 9414933 AR 61 CLAMP HEX SL HD 1 62 1 94 TYPE C HOSE 8 948 70 81 Y 1470030 2 N L CLAMP WORM TYPE is X 15 IS I D 70 71 Y W C A C 2471945 1 98 CLAMP BLO AND EVAP DRAIN TUBE CLAMP 8 945 74 79 Y 2471945 1 98 CLAMP BLO AND EVAP DRAIN TUBE CLAMP 8 945 75 79 Y 451245 AR 94 CLAMP TYPE D 4 az OPEN 3 gz CLOSD 8 948 76 79 Y 477402 AR 88 CLAMP 31 TO 75 DIA 8 948 WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION CHEVROLET 14 REV 5 81 1 5 1 159 1 166