FUEL EXHAUST CARBURETION C155 CHEVROLET 1978 ROCHESTER ZBC See Model Reference for Application GROUP DESCRIPTION OTV 21 22 23 24 25 3 725 CARBURETOR Production 1 17058105 17058107 17058103 17058185 17058176 3 725 CARBURETOR Service 1 17055889 17055893 17055887 17065185 17065694 3 724 GASKET KIT 1 17055232 17055232 17055232 17055564 17052978 3 725 OVERHAUL KIT 1 17055335 17055337 17055337 17065193 17055 6 3 725 POWER CARB KIT 1 7039326 7039325 7039325 7039336 7039356 3 730 AIR HORN 1 17055925 17055925 17055925 17055562 17055925 3 825 BALL pump discharge 1 7002117 7002117 7002117 7002117 7002117 3 826 BALL pump inlet check 7002120 7002 120 7002120 17050240 7002120 3 729 BODV ASM throttle 1 17055926 17055933 17055926 17065196 17055926 3 734 BOWL ASM float 1 17055931 17055931 17055928 17065190 17055928 3 459 BRACKET throttle return 1 3 444 BRACKET WASHER solenoid 7042818 NS 7042818 3 766 CAM fast idle 1 7044039 7044039 7044039 17051489 7044039 3 750 CHOKE HOUSING KIT 1 17055540 17055541 17055929 17054720 17055929 3 814 CLIP float needle pull I 3 838 CLIP pump 7005032 7005032 7005032 7 1 5032 7005032 3 838 CLIP pump rod 7018186 7018186 7018186 7018186 7018186 3 820 COVER vent valve NS NS 17050272 3 740 ELBOW fuel inlet 7044032 7044032 7044032 7044035 3 740 FILTER fuel inlet 1 5651802 5651802 5651802 5651802 5651802 3 740 FILTER NUT fuel inlet 1 17053408 17053408 17053408 17051765 17053408 3 745 FLOAT ASM 1 7037512 7037512 7037512 7037512 7037512 3 738 GASKET air horn 1 17050409 17050409 17050409 17050409 7045671 3 750 GASKET choke housing to throttle body 7043291 7043291 7043291 7037796 7043291 3 740 GASKET filter nut 1 7032508 7032508 7032508 7032508 7032508 3 750 GASKET stat cover 1 17050961 17050961 17050961 17050961 3 820 GASKET vent valve cover NS NS 17053051 3 825 GUIDE pump discharge 7000286 7000286 7000286 7000286 3 822 IDLE NEEDLE AR 7048860 7048860 7048860 17057983 7048860 3 820 IDLE vent valve kit NS NS 17052733 3 806 INSERT aneroid cavity 1 3 734 INSERT float bowl 1 3 734 INSERT main well 7040820 7040320 7040320 7037286 7040320 3 792 JET primary l 7002652 7002652 7002652 7002652 3 766 LEVER cam follower I 3 752 LEVER choke 1 17050766 17050766 17050766 17050766 3 752 LEVER choke shaft 17050271 17050271 17050271 7030796 17050271 3 752 LEVER choke valve adjusting NS NS 7047882 3 766 LEVER fast idle 1 3 752 LEVER inter choke 1 17050266 17050266 17050266 7CB0980 17050266 3 842 LEVER pump actuating 1 ww 3 842 LEVER pump inside 7032377 7032377 7032377 7032377 7032877 3 752 LEVER stat coil 1 3 755 LINK aux vac break 1 7043157 3 755 LINK vacuum break choke side 7040239 7040239 7040239 7040239 3 755 LINK aux vacuum break choke side NS NS 3 755 LINK vacuum break throttle side NS NS 7038874 3 814 NEEDLE SEAT 1 7035152 7035152 7035152 7005152 7035152 3 440 NUT solenoid retaining 7042654 NS 7042654 3 440 NUT throttle stnp retaining NS 3 747 PIN float hinge 1 7002081 7002081 7002081 71 12081 7002081 3 750 PLATE baffle 7037239 7037239 7037239 7037239 3 858 Y POWER PISTON 1 7009054 7009054 7009054 7009054 7009054 3 858 POWER VALVE 7011989 7011989 7011989 7011989 3 858 POWER VALVE aux mechanical NS NS 17050246 3 858 POWER VALVE vacuum NS NS 17 3647 3 838 PUMP ASM bowl 1 7036282 7046028 7046028 17058976 7046028 GM PARTS DIVISION GENERAL MOTORS CORPORATlON CHEvROLET 10 3 000 GROUP a ee c REV 9 oo