COOLANT GRILLE O L SYSTEM 1 173 HOSE TUBE Radiator Outlet NOTE Out et hoses are used between bottom of radiator and cyl block lnlet hose group 1 159 is used between top of radiator and eng coolant outlet 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 53 55 Y 6 CYL 3692230 1 7 00 HOSE 1 Z I D MOLDED 3706088 55 62 Y 8 CYL 3754505 1 8 90 HOSE 1 4 I D 63 65 Y EXC 395 3832170 1 10 35 HOSE 1 4 I D 66 67 Y 327 3917669 1 8 95 HOSE 1 4 I D 66 67 Y 427 3921908 1 8 70 HOSE 1 G I D 68 Y EXC 427 C A C T H 3917669 1 8 95 HOSE 1 4 I D 68 Y 427 3921908 1 8 70 HOSE 17 B I D 68 Y 427 W H D 3882826 1 HOSE 17 S I D 68 Y W C A C EXC 427 3917671 1 9 65 HOSE 1 4 I D 69 Y 350 W 3 SPD EXC C A C 3917669 1 8 95 HOSE 1 4 I D 69 70 Y 350 W H PER SP H PER 3946854 1 7 30 HOSE 1 4 I D 69 Y 427 EXC H D 3947868 1 7 00 HOSE 17 S I D 69 Y 427 W M T H D 3946012 1 10 35 HOSE 13 4 I D 69 Y W A T 3947868 1 7 00 HOSE 17 E I D 69 Y W C A C EXC 427 3946854 1 7 30 HOSE 13 4 I D 69 Y W T I I EXC 427 454 3946854 1 7 30 HOSE 1 4 I D 70 Y 350 EXC H PER SP H PER C A C 3917669 1 8 95 HOSE 1 4 I D 70 72 Y 350 W M T C A C EXC H PER 3946854 1 7 30 HOSE 1 I D 70 71 Y 454 EXC H D RAD C A C 3947868 1 7 00 HOSE 1 B I D 70 71 Y 454 W A T 3947868 1 7 00 HOSE 17 a I D 70 73 Y 454 W C A C 3969929 1 5 05 HOSE RR 70 71 Y W H D RAD 3946012 1 10 35 HOSE 1 4 I D 71 72 Y 350 W 4 SPD EXC C A C 3917669 1 8 95 HOSE 1 4 I D 71 72 Y 350 W A T 3946854 1 7 30 HOSE 1 D 73 76 Y 1ST DESIGN 1976 355347 1 8 70 HOSE 355347 PRINTED ON HOSE 73 Y 454 EXC C A C 3947868 1 7 00 HOSE 17 B I D 73 Y 454 W C A C 3905149 1 7 30 HOSE 13 4 I D 74 Y 454 3947868 1 7 00 HOSE 17 B I D 76 81 Y 2ND DESIGN 1976 379933 1 8 70 HOSE 379933 PRINTED ON HOSE 70 73 Y 454 W C A C 3969930 1 5 00 TUBE HOSE 1 203 CAP Radiator Filler with Gasket NOTE 1 This cap is to be used with aluminum radiators 55 61 Y 8 CYL EXC F I 1ST DESIGN 850795 1 3 50 CAP PRESSURE TYPE 7 LB RC 1 58 59 Y W F I 850800 1 3 50 CAP PRESSURE TYPE 13 LB 60 63 Y 2ND DESIGN 6410206 1 7 30 CAP SUPPLY TANK FILLER RC 26 15 LB NOTE 1 64 67 Y EXC A C 427 1ST DESIGN 6410206 1 7 30 CAP SUPPLY TANK FILLER RC 26 15 LB NOTE 1 64 65 Y W A C 861050 1 N L CAP 66 Y EXC 427 2ND DESIGN 861050 1 N L CAP 68 72 Y 861050 1 N L CAP 73 81 Y 6410665 1 N L CAP 1 21 9 BRACKET CLAMP RADIATOR RETAINER STRAP SUPPORT TANK Radiator NOTE For drain cocks see Std Parts Group 8 951 NOTE ln some cases standard radiators are replaced by heavy duty radiators and radiators with oil coolers can be used in place of ones without oil coolers NOTE 1 Top radiator tank not an integral part of this core See 3151016 for Tank Asm NOTE 2 It may be necessary to replace the radiator inlet hose with part 3879680 NOTE 3 Used in conjunction with second design core 3150916 NOTE 4 When used in place of 3825093 on 1963 models 2 3843432 clamps and 1 3843431 Bracket should be used NOTE 5 Does not include oil cooler or finger guard 63 Y 3824800 1 5 90 BRACKET SUPPLY TANK 64 66 Y EXC 427 3843431 1 2 35 BRACKET SUPPLY TANK 67 68 Y 327 EXC A C T H 3843431 1 2 35 BRACKET SUPPLY TANK 69 70 Y W 3 H D 4 SPD EXC C A C H PER 350 3843431 1 2 35 BRACKET SUPPLY TANK WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION CHEVROLET 14 1 1 173 1 219 1 6 REV 5 81