FUEL EXHAUST CARBURETION TP57 LIGHT TRUCK 1978 ROCHESTER 1BC 4 See Model Reference for Application GROUP DESCRIPTION DTV I 2 3 4 5 3 725 CARBURETOR Production 4 4 4 1 17055006 17058007 17058021 17058022 17058024 3 725 CARBUFIETOR Service 1 1 17055806 17055807 17055981 17055980 17055980 3 724 GASKET KIT 1 17055256 17055256 17055680 17055680 17055680 3 725 OVERHAUL KIT 4 4 1 17055672 17055672 17055952 17055952 17055952 3 725 POWER CARB KIT 1 7039823 7M9323 7039347 7039347 7039347 3 407 ADAPTER SCREW air cleaner 3 730 AIR HORN 4 1 17056826 17056826 17060458 17060458 17060458 3 825 BALL pump discharge 4 1 7002117 7002117 7002117 7002117 7002117 3 729 BODY ASM throttle 1 17058866 17058867 17060848 17060355 1706m55 3 734 BOWL ASM float 1 17055668 17055668 17055950 17055950 17055950 3 459 BRACKET throttle return 1 7044344 7044344 7044344 7044344 7044344 3 444 BRACKET 81 WASHER solenoid 3 405 BRACKET air cleaner 1 7043588 7043588 7043588 7043588 7043588 3 786 CAM fast idle 1 17054550 17054550 17056872 17056872 17056872 3 750 CHOKE HOUSING KIT 1 7044199 7044199 7044198 7044199 7044199 3 752 COIL LEVER SHAFT choke 1 7044236 7044238 7044236 7044236 7044236 3 440 DASH POT 3 740 FILTER fuel inlet 1 5651802 5651802 5651802 5651802 5651802 3 740 FILTER NUT fuel inlet 1 7038946 7038946 7038946 7038946 7038948 3 745 FLOAT ASM 1 7037022 7037022 7037022 7037022 7037022 3 738 GASKET air horn 1 7044238 7044238 17056453 17056453 17056453 3 740 GASKET filter nut 1 7032508 7032508 7032508 7032508 7032508 3 820 GASKET idle comp 1 NS NS 7027970 7027970 7027970 3 825 GUIDE pump discharge 1 7003838 7003838 7003838 7003838 7003838 3 820 IDLE COMPENSATOR 1 NS NS 17060388 17060388 17060388 Q 3 822 IDLE NEEDLE 1 7048964 7048964 7048964 7048964 7048964 3 818 IDLE TUBE 1 17052338 17052338 17052340 17052340 17052340 3 792 JE l mam metering 1 7034206 7034206 7034216 7034216 7034216 3 752 LEVER coil 1 7044091 7044091 7044091 7044091 7044091 3 842 LEVER pump actuating 1 17056474 17056474 17056474 17056474 17056474 3 858 LEVER pump power 1 17055196 17055196 17055196 17055196 17055196 3 766 LINK cam 1 7044261 7044261 7044261 7044261 7044261 3 858 LINK power rod 1 17055196 17055196 17055196 17055196 17055196 3 843 LINK pump lever 1 7037981 7037981 7035267 7035287 7035267 3 814 NEEDLE 81 SEAT 1 7035156 7035156 7035156 7035156 7035156 3 440 NUT solenoid retaining 3 747 PIN float hinge 1 7034032 7034032 7034032 7034032 7034032 3 858 POWER PISTON 1 71137804 7037804 7038066 7036066 7038068 3 838 PUMP ASM bowl 1 71137597 7037597 7037595 7037595 7IB7595 3 750 RETAINER choke cover AR 7000614 7000614 7000614 7000614 7000614 3 750 RETAINER choke lever 3 858 R00 power piston 1 17055196 17055196 17055196 17055198 17055198 3 806 1100 metering sec 3 806 1100 ASM metering prim 1 7043775 7043775 17051169 17051169 17051169 3 403 SCREW arr cleaner brkt AR 7042813 7042813 7042813 7042813 7042813 3 730 SCREW air horn AR 7043088 7043088 7043088 7043088 7043088 3 730 SCREW air horn long AR 7043089 7043089 7043089 7043089 7043089 3 730 SCREW air hom Ishortl AR 7030917 7030917 7030917 7030917 7030917 3 767 SCREW cam attaching 1 7008561 7003561 7003561 7003561 7003561 3 750 SCREW choke hsg to bowl 1 17051625 17051625 17051625 17051825 17051825 3 750 SCREW choke hsg to bowl 2 NS NS 17051826 17051626 17051626 3 751 SCREW choke valve 1 7029866 7029866 7029866 7029866 7029866 3 444 SCREW choke wire brkt 1 7041287 7041287 7041287 7041287 7041287 3 752 SCREW coil lever 1 7019709 7019709 7019709 7019709 7019709 J WAREHOUS NG AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPOR T 0N LT TRUCK 51 3 000 GROUP 34 c REV 2 83