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 CORRESPONDINGT COLUMN NUMBER WITH SAME COLUMN NUMBER ON CHARTS VIN PRODUCTION DIV CODE USAGE COL N0 17083250 34 E 307 1 17083242 4 E 231 8 2 17059324 34 E 4 1 4 3 17082267 34 E 4 1 4 4 GROUP DESCRIPTION QTY 1 2 3 4 5 3 725 CARBURETOR PRODUCTION 1 17083250 17083242 17059324 17082267 3 725 CARBURETOR SERVICE 1 17079672 17079412 17111229 17111229 3 725 POWER CARB KIT 1 17076044 17076131 17076131 17076131 3 730 AIR HORN KIT 1 17110415 17079031 17110411 17110411 3 820 COMPENSATOR KIT IDLE LOAD 1 17068403 3 766 CONTROL KIT IDLE SPEED 1 17079137 17079137 3 750 COVER 11 COIL KIT ELEC CHOKE 1 17079035 17068871 17068871 3 750 COVER 21 COIL KIT HOT AIR OHOKE 1 17110646 3 740 FILTER NUT FUEL INLET 1 17059861 17059861 3 740 FILTEFLFUEL INLET 1 5651803 5651803 5651803 5651803 3 745 FLOAT J1 INSERT KIT 1 17068327 17068327 17068327 17068327 3 734 FLOAT BOWL KIT 1 17079376 17079413 17079262 17079262 3 738 GASKET KIT AIR HORN 1 17067279 17067279 17067279 17067279 3 740 GASKET FILTER NUT 1 7024281 7024281 7024281 7024281 3 750 HOUSING KIT CHOKE 1 17079702 17079417 17079264 17079264 3 814 NEEDLE SEAT 1 7035134 3 814 NEEDLE SEAT KIT 1 7035157 7035150 7035150 3 740 NUT FUEL INLET FILTER 1 17051254 3 820 O RING KIT IDLE AIR BLEED VALVE 1 17079838 17079838 17079838 17079838 3 838 PUMP ASM 1 17053072 17072978 17072978 17072978 3 838 PUMP CUP KIT HEAVY DUTY 1 171 0591 17110591 3 838 PUMP CUP GASOHOL 8 HIGH AROMATIC FUELS 1 17074103 3 750 RETAINER KIT CHOKE COVER 1 17067078 17067078 17067078 17067078 3 806 ROD JET KIT METERING 1 17078614 17079036 3 806 ROD SECONDARY METERING 1 170751268 3 764 SCREW L PLUG KIT TPS 1 17079856 17079856 17079856 3 724 SCREW ASSORT KIT MA 0R ASM ATTACH 1 17078935 3 764 SENSOR KIT THROTTLE POSITION 1 17078448 17 078448 17078448 17078448 3 440 SOLENOID KIT IDLE 1 1 7067352 3 440 SOLENOID KIT MI TUREE CONTROL 1 17067343 17067343 17067343 17067343 3 729 THROTTLE BODY KIT 1 17078518 17079415 17078489 17078489 3 755 VACUUM BREAK KIT PRIM 1 17067211 1 7067333 17067438 17067438 3 755 VACUUM BREAK KIT SEC 1 17068834 1 7067342 17068931 17068931 3 820 VALVE IDLE AIR BLEED 1 17078615 1 7079037 17078491 17078491 ADDITIONAL AT T ACHING PARTS DIV GROUP MODEL USAGE NOUIN NAME 8 DESCRIPTION QTY PART 12345 3 734 E CAP VAC PIPIEi 218 DIA AR 343350 4 3 7 26 E 307 GASKET CARB 01 22508038 4 3 7 26 E 231 8 GASKET CARB EFE FREE OF ABESTOS 01 25536252 4 3 726 E 4 1 4 INSULATORCARB MTG 01 25516626 4 3 750 E 307 PIPE CHOI E CLEAN AIR O1 419302 4 3 755 E 307 SWITCH CI IOKE THERM VAC 01 22505266 1991 GENERAL MOTORS SERVICE PARTS OPERAT ONS BUICK 44W j 6 91 3 179 3 725