FUEL EXHAUST CARBURETION P157 PONTIAC 1978 ROCHESTER 4BC See Model Reference for Application GROUP DESCRIPTION OTY 1 2 3 4 5 3 725 CARBURETOR Production 17058241 17058258 17058263 17058272 17058553 3 725 CARBURETOR Service 1 17055881 17055858 17055863 17055872 17055865 3 724 GASKET KIT 1 17055576 17055624 17055650 17055647 17055624 3 725 OVERHAUL KIT 1 17055654 17055648 3 725 POWER CARB KIT 1 17076029 17076031 17076030 17076040 17076031 3 730 AIR HORN A 1 17055621 17055621 3 740 BAFFLE float bowl 1 7031365 7031365 7031365 7031365 7031365 3 825 BALL pump discharge 1 7002117 7002117 7002117 7002117 7002117 3 729 BODY ASM throttle 1 17059993 17058660 17060645 17060215 3 734 BOWL ASM float 1 17055907 17055628 17065103 17055626 3 766 CAM fast idle 1 17052371 17056632 7041484 17054139 17056632 3 750 CHOKE HOUSING KIT 1 17051970 17055623 17051996 17051996 17055613 3 814 CLIP float needle pull 1 7033751 7033751 7033751 7033751 7033751 3 820 COVER DLE COIVIPENSATOR 7029865 NS 3 740 FILTER fuel Inlet 1 5651803 5651803 5651803 5651803 5651803 3 740 FILTER NUT fuel Inlet 1 17059861 17059861 17059861 17059861 17059861 3 745 FLOAT ASM 1 7046300 7046300 7044332 7044332 7046300 3 738 GASKET air horn 1 17056357 17056357 17056357 17056357 17056357 3 740 GASKET filter nut 1 7024281 7024281 7024281 7024281 7024281 3 820 GASKET IDLE COIVIPENSATOR 7027970 NS 3 750 GASKET stat cover 1 17050961 17050961 17050961 17050961 17050961 3 806 HOLDER KIT secondary metering rod 1 7034522 7034522 7034522 7034522 7034522 3 822 IDLE NEEDLE AR 7048532 7048532 7048532 7048532 7048532 3 820 IDLE COIVIPENSATOR 7035906 NS 3 806 INSERT aneroid cavity 1 17051796 17063596 17051796 17051796 17063596 3 734 INSERT float bowl 1 7041471 7041471 7041471 7031972 7041471 3 792 JET primary AR 7031973 7031971 7031974 3 766 LEVER cam follower 1 7041497 7041497 7041497 7041497 7041497 3 766 LEVER choke 1 7041542 7041542 7041542 7041542 7041542 3 752 LEVER coil 1 7043368 7043368 7043368 7043368 7043368 3 766 LEVER fast idle 1 7041498 7041498 7041498 7041498 7041498 3 752 LEVER inter choke 1 7031231 7031231 7031231 7031231 7031231 3 842 LEVER pump actuating 1 7048169 7048169 7048169 7048169 7048169 3 752 LEVER lockout sec 1 7041473 7041473 7041473 7041473 7041473 3 752 LEVER stat cover 3 755 LINK aux vac break 1 17050738 7043466 7043393 7043393 7043466 3 755 LINK aux vacuum break choke side 3 814 NEEDLE SEAT 1 7035150 3 747 PIN float hinge 1 7041469 7041469 7041469 7041469 7041469 3 858 POWER PISTON 1 17051792 7044449 17051792 17051792 7044449 3 838 PUMP ASM 1 17051117 17053072 7048871 7048871 17053072 3 852 RETAINER pump discharge ball 1 7029849 7029849 7029849 7029849 7029849 3 750 RETAINER stat cover AR 7000614 7000614 7000614 7000614 7000614 3 752 ROD choke 1 17058457 17058457 17058457 17058457 17058457 3 752 ROD inter choke 3 858 ROD power piston 3 843 ROD pump 1 7026138 7026138 7026138 7026138 7026138 3 806 ROD metering sec AR 7045986 7045984 7047806 7045779 7045984 3 755 ROD vac break 1 7041527 7041527 7041527 7041527 7041527 3 806 ROD ASM metering prim AR 17051348 17056950 17051340 17057751 17056952 3 730 SCREW air horn AR 17063591 17063591 17063591 17063591 17063591 3 730 SCREW air horn long AR 17063592 17063592 17063592 17063592 17063592 3 730 SCREW air horn short AR 17073293 17073293 17073293 17073293 17073293 3 755 SCREW aux vac break 3 444 SCREW bracket attach aux vac break AR 17071386 17071386 17071386 17071386 17071386 3 767 SCREW cam fast idle levers 3 750 SCREW choke hsg to bowl 1 17073295 17073295 17073295 17073295 17073295 1987 GENERAL MOTORS SERVICE PARTS OPERATIONS PONTIAC 21 3 OOO GROUP 3 94 C REV 7 87