1983 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 N0 17083253 3 G 307Y W CLOSED LOOP 1 17083253 34 B 307 W CLOSED LOOP 1 17083553 3 G 307 9 W A T MW9 W4O 2 GROUP DESCRIPTION QTY 1 2 3 4 5 3 725 CARBURETOR PRODUCTION 1 17083253 17083553 3 7 25 CAR8URETOR SERVICE 1 17079343 17079354 3 725 POWER CARB KIT 1 17076044 17076044 3 730 AIR HORN KIT 1 17110415 17110642 3 820 COMPENSATOR KIT IDLE LOAD 1 17068403 3 750 COVER COIL KIT HOT AIR CHOKE 1 17110646 17110646 3 740 FILTER NUT FUEL INLET 1 17059861 17059861 3 740 FILTER FUEL INLET 1 5651803 5651803 3 745 FLOAT INSERT KIT 1 17068327 17068327 3 734 FLOAT BOWL KIT 1 17079376 17079713 3 738 GASKET KIT AIR HORN 1 17067279 17067279 3 740 GASKET FILTER NUT 1 7024281 7024281 3 750 HOUSING KIT CHOKE 1 17079344 17079361 3 814 NEEDLE SEAT 1 7035134 7035134 3 820 0 RING KIT IDLE AIR BLEED VALVE 1 17079838 17079838 3 838 PUMP ASM 1 17053072 17053072 3 838 PUMP CUP GASOHOL HIGH AROMATIC FUELS 1 17074103 17074103 3 750 RETAINER KIT CHOKE COVER 1 17067078 17067078 3 806 ROD JET KIT METERING 1 17078614 17079715 3 764 SCREW 8 PLUG KIT TPS 1 17079856 17079856 3 764 SENSOR KIT THROTTLE POSITION 1 17078448 17078448 3 440 SOLENOID KIT IDLE 1 17070262 3 440 SOLENOID KIT MIXTURE CONTROL 1 17067343 17067343 3 729 THROTTLE BODY KIT 1 17078518 17078518 3 755 VACUUM BREAK KIT PRIM 1 17067211 17067211 3 755 VACUUM BREAK KIT SEC 1 17068834 17068834 3 820 VALVE IDLE AIR BLEED 1 17078615 17078615 1 1991 GENERAL MOTORS SERVICE PARTS OPERAT ONS OLDSMOBILE 32W i 3 725 3 150 6 91