1984 ROCHESTER 4 BC FOLLOW PROCEDURE OUTLINED BELOW TO DETERMINE CARBURETOR AND OR PART NUMBER 1 DETERMINE VEHICLE MODEL CHECK VIN DIVISIONAL CODE 2 DETERMINE ENGINE AND CARBURETOR TYPE 3 PART NUMBER CAN BE DETERMINED BY CROSS REFERENCING CORRESPONDING COLUMN NUMBER WITH SAME COLUMN NUMBER ON CHARTS VIN PRODUCTION DIV CODE USAGE COL NO 17084246 34 E 4 1 4 1 17084256 34 E 307Y 2 17084252 34 E 307Y 3 GROUP DESCRIPTION OTY 1 2 3 4 5 3 725 CAR8URETOR PRODUCTION 1 17084246 17084256 17084252 3 725 CARBURETOR SERVICE 1 17110448 17110606 17110606 3 725 POWER CARB KIT 1 17076131 17076044 17076044 3 730 AIR HORN KIT 1 17110427 17110433 17110433 3 820 COMPENSATOR KIT IDLE LOAD 1 17068403 17068403 3 766 CONTROL KIT IDLE SPEED 1 17079137 3 750 COVER COIL KIT ELEC CHOKE 1 17068871 3 750 COVER COIL KIT HOT AIR CHOKE 1 T 17110646 17110646 3 740 FILTER NUT FUEL INLET 1 17059861 17059861 3 740 FILTER FUEL INLET 1 5651803 5651803 5651803 3 745 FLOAT INSERT KIT 1 17068327 17068327 17068327 3 734 FLOAT BOWL KIT 1 17110119 17110134 17110134 3 738 GASKET KIT AIR HORN 1 17067279 17067279 17067279 3 740 GASKET FILTER NUT 1 7024281 7024281 7024281 3 750 HOUSING KIT CHOKE 1 17079270 17079702 17079702 3 814 NEEDLE SEAT 1 7035134 7035134 3 814 NEEDLE SEAT KIT 1 7035150 3 740 NUT FUEL INLET FILTER 1 17051254 3 820 O RING KIT IDLE AIR BLEED VALVE 1 17079838 17079838 17079838 3 838 PUMP ASM 1 17072978 17051117 17051117 3 838 PUMP CUP KIT HEAVY DUTY 1 17110591 17110591 17110591 3 750 RETAINER KIT CHOKE COVER 1 17067078 17067078 17067078 3 806 ROD JET KIT METERING 1 17110380 17110136 17110136 3 724 SCREW ASSORT KIT MAJOR ASM ATTACH 1 17078935 17078935 17078935 3 764 SENSOR KIT THROTTLE POSITION 1 17078448 17078448 17078448 3 440 SOLENOID KIT MIXTURE CONTROL 1 17067343 17067343 17067343 3 729 THROTTLE BODY KIT 1 17110126 17110112 17110112 3 755 VACUUM BREAK KIT PRIM 1 17067438 17067211 17067211 3 755 VACUUM BREAK KIT SEC 1 17110128 17110607 17110114 3 820 VALVE IDLE AIR BLEED 1 17078491 17078615 17078615 ADDITIONAL ATTACHING PARTS DIV GROUP MODEL USAGE NOUN NAME DESCRIPTION QTY PART 4 3 726 E 307Y GASKET CARB 01 22508038 4 3 726 E 4 1 4 1ST DES SEE NOTE HEATER CARB AIR 01 25518521 4 3 726 E 4 1 4 2ND DES SEE NOTE HEATER CAR8 AIR 01 25522511 4 3 750 E 307Y PIPE CHOKE CLEAN AIR 01 419302 25518521 NOTE 1ST DES HAS A GRAY 56 SERIES TYPE ELEC CONN ON CARB AIR HTR 25522511 NOTE 2ND DES HAS A BLACK METRI PAK ELEC CONN ON CARB AIR HTR ASM T 1 1991 GENERAL MOTORS SERVICE PARTS OPERAT ONS BU CK 44W 3 725 3 182 6 91