4 FUEL EXHAUST CARBURETION TP77 LIGHT TRUCK 1978 ROCHESTER 4BC Q See Modal Reference for Application GROUP DESCRIPTION DTV 6 7 8 9 10 3 725 CARBURETOR Production 4 1 17058213 17058503 17058508 17058520 17058521 3 725 CARBURETOR Service 1 17055813 17055870 17055828 17055877 17055873 3 724 GASKET KIT 1 17055208 17055711 17055711 17055711 17055711 3 725 OVERHAUL KIT 1 17055209 17065111 17065111 17055743 17055743 3 725 POWER CARB KIT 1 7039320 7038351 7039351 7039351 7039351 3 730 AIR HORN 1 17060652 17055708 17055708 17055739 17055739 3 740 BAFFLE float bowl 1 7031365 7031365 7031365 7031365 7031365 3 825 BALL purma discharge 1 7002117 7002117 7002117 7002117 7lJJ2117 3 729 BODY AS throttle 1 17055684 17060537 17060549 17061037 17061038 3 734 BOWL ASM float I 17065110 17055709 17055718 17055740 17055740 3 766 CAM fast idle 1 7047876 17051176 17051176 17051178 17051176 3 750 CHOKE HOUSING KIT 1 NS 17055545 17055545 17053805 17053805 3 814 CLIP float needle pull 1 7033751 7033751 7033751 7033751 7033751 3 740 FILTER fuel inlet 1 5651802 5651803 5651803 5651803 5651803 3 740 FILTER NUT fuel inlet 1 7015605 17051254 17051254 17051254 17051254 3 745 FLOAT ASM 1 7037705 7043379 7043378 7041468 7041468 3 738 GASKET air horn 1 7044407 17056235 17056235 17056235 17056235 3 740 GASKET filter nut 1 7024281 7024281 7024281 7024281 7024281 3 750 GASKET stat cover 1 NS 17050861 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 8115 INSERT aneroid cavity 1 NS 17051786 17051796 17051796 17051786 3 734 INSERT float bowl 1 7037319 7041471 7041471 7041471 7041471 I 3 792 JET Rrimary AR 7031863 7031973 7031873 7l L11972 7031872 3 766 LEVE cam follower I NS 7041497 7041497 7041487 7041497 Q 3 766 LEVER choke 1 NS 7041542 7041542 7041542 7041542 3 752 LEVER coil 1 NS 7041499 7041499 7043368 7043368 3 766 LEVER fast idle 1 7030677 7041488 7041498 NS NS 3 752 LEVER inter choke 1 7031231 7031231 7031231 7031231 7031231 3 842 LEVER pump actuating 1 7048169 7048169 7048168 7048169 7048169 3 752 LEVER lockout sec 1 7027270 7041473 7041473 7041473 7041473 3 752 LEVER stat cover 3 755 LINK aux vac break 3 755 LINK aux vacuum break choke side 3 814 NEEDLE SEAT 1 7035140 7035134 7035134 7035134 7035134 3 747 PIN float hinge 1 7037317 7041469 7041469 7041468 7041469 3 858 POWER PISTON 1 71134903 17051782 17051792 17051792 17051792 3 838 PUMP ASM 1 7047080 17051374 17051374 17051374 17051374 3 852 RETAINER pump discharge ball 1 7029848 7029849 7029849 7029848 7028849 3 750 RETAINER stat cover AR NS 7000614 700 I614 7000614 7000614 3 752 ROD choke 1 7037557 7041472 7041472 7041472 7041472 3 752 RDD imer choke 1 7024256 3 858 1100 power piston 3 843 ROD pump 1 7026138 7026138 7026138 7026138 7026138 3 806 ROD metering sec AR 7045842 17053659 17053659 17053658 17053659 3 755 ROD vac break 1 7024257 7041527 7041527 7041527 7041527 3 806 ROD ASM metering lprim AR 7034840 17056950 17056849 17057746 17057746 3 730 SCREW air horn AR 7014699 7014699 7014699 7014699 7014689 3 730 SCREW air horn long AR 7029912 7029912 7029912 7029912 7029912 3 730 SCREW air hom short AR 7031105 7031105 7031105 7031105 7031105 3 755 SCREW aux vac break 3 444 SCREW bracket attach aux vac break AR NS NS 7043682 7043682 NS 3 767 SCREW cam last idle levers 3 750 SCREW choke hsg to bowl 1 NS 7038808 7038808 7038808 7038808 WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION LT TRUCK 51 3 000 GROUP a zs c REV 2 83