COOLANT GRlLI E OIL SYSTEM 1 173 HOSE Radiator Outlet NOTE OUTLEP hoses are used between bottom oi radiator and cyl block lNLET hose Group 1 159 is used between lop of radiator and ang coolant outlet NOTE Some hoses have been replaced with house of a different length or configuration This replacement V hose in marry instances will require cutting using old part as guide 71 75 H exc C A C HD Rad 252 3880202 1 3 05 L 71 75 H w C A C H D Rad exc 262 3980283 1 2 87 1 203 CAP Radiator and Recovery Tank 71 73 H 851050 I 1 88 radiator 1 219 CORE Radiator in soma cases standard radiators are replaced oy heavy duty radiators and radiators with oil coolers can be used in place of ones without oil coolers 71 H w 12 x 20 core 3024883 I 85 15 71 74 H w 12 x I2 core 3023995 1 68 70 72 74 H w 12 x 20 core 3030141 1 89 30 78 All w I2 x 12 core 3031594 I 75 All w 12 x 20 core 3031595 1 1 24 0 RECOVERY UNIT CAP BRACKET RETAINER TANK Coolant Recovery Tank 72 73 H 994525 I l2 05 72 73 H 74 H I22 488548 1 55 CAP recovery tank 74 H 140 78 H 1801187 1 36 CAP recovery tank 72 H 140 338528 1 1 10 BRACKET 73 H 338577 I 1 04 BRACKET ASSY 74 H 122 339088 1 1 04 BRACKET ASSY 74 H 122 488547 1 33 RETAINER 72 73 H 74 H 122 883087 l 4 18 TANK 74 75 HV 140 338592 l 4 17 TANK 75 HR 349518 1 TANK 1 248 THERMOSTAT Radiator 71 74 H 3028828 1 4 50 V 1 25 1 BOLT Thermostat 74 H I22 454481 2 20 housing 1 252 GASKET Thermostat Housing 74 H 122 334031 1 39 1 283 PANEL ASSY RETAINER Radiator 71 73 H 9857844 l 23 50 front and heater 74 78 HV 9728058 1 28 40 front and header 74 H 348588 2 39 RETAINER front bumper filler panel 1 288 GRILLE PANEL ASSY Radiator 71 73 H exc Grille Mldg 3972028 1 14 80 71 73 H wr Grille Mldg 3984083 I 14 60 74 75 HV exc ZV9 338082 1 34 95 74 78 HV Panel w ZV9 342883 1 82 45 PANEL A Y radiator grille and header DBIIBI bar 1 267 SUPPORT ASSY NUT Radiator Grille 7 I 73 H 3982088 1 3 50 74 75 HV 339079 L H 2 54 header panel left i 74 75 HV 3390808 1 2 54 header panel right 74 75 HV 339078 1 2 54 center 71 72 H 3919773 5 11 NUT 1 288 MOULDING Radiator Grille 71 73 H 3984085 1 2 75 radiator grille upper 71 73 H 3984088 1 2 75 radiator grille lower 71 73 H 3984087 L H 3 75 MOULDING ASSY radiator grille 71 73 H 3984088 R H 3 75 MOULDING ASSY radiator grille 74 75 HV 8280832 I 2 77 MOLILOING UNIT radiator grille header panel 1 270 PANEL BRACKET PAD Radiator Mounting 71 78 HV exc HD Rad C A C 3982054 1 1 41 radiator upper mtg 71 73 H 9819233 I 33 30 PANEL ASSY motor como 74 78 HV 9878450 1 31 45 PANEL ASSY motor comp 1974 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET P A 30X i 1 173 1 270 12 REV 9 74