1988 ROCHESTER 4 BC FOLLOW PROCEDURE OUTLINED BELOW TO DETEERMIINIE 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 17088115 1234 B 307Y 1 GROUP DESCRIPTION OTY 1 L2 3 4 5 3 7125 CARBURE I 0R PRODUCTION 1 17088115 3 725 CARBURETOR SERVICE 1 17111994 3 725 POWER CARB KIT 1 17076141 3 730 AIR HORN KIT 1 17112016 3 820 COMPENSATOR KIT 1ZDLE LOAD 1 17111104 3 750 COVER COIL KIT HOT AIR CHOKE 1 17110646 3 740 FILTER FUEL INLE I 1 5651803 3 745 FLOAT INSERT KIT 1 17111103 3 734 FLOAT BOWL KIT 1 17112012 3 738 GASKET KIT AIR HORN 1 17111093 3 740 GASKET FILTER NUT 1 7024281 3 750 HOUSING KIT CHOKEE 1 17111100 3 81 4 NEEDLE 61 SEAT 1 7035134 3 820 O RING KIT IDLE AIR BLEED VALVE 1 17079838 3 838 PUMP ASM 1 17051117 3 750 RETAINER KIT CH01 E COVER 1 17067078 3 806 ROD 8 JET KIT METERING 1 17112014 3 724 SCREW ASSORT KIT MAJOR ASM ATTACH 1 17078935 3 784 SENSOR IT THROTT LE POSITION 1 17078448 3 440 SOLENOID KIT MIXTURE OONTROI 1 17111102 3 757 SPRING 8 CAM ASM AIR VALVE 1 7035344 3 729 THROTTLE BODY KIT 1 17111995 3 755 VACUUM BREAK KIT PRIM 1 17067211 3 755 VACUUM BREAK KIT SEC 1 17111101 3 820 VALVE IDLE AIR BLEED 1 17112015 ADDITIONAL ATTNCHING PARTS DIV GROUP MODEL USAGE NOUN NAME l DESCRIPTION QTY PART 34 3 726 B 307Y OASKET CARB 01 22508038 1234 3 750 B 307Y PIPE CHOKE CLEAN AIR 01 419302 1234 3 750 B 307Y SWITCH CHOKEE H R O1 3815936 1991 GENERAL MOTORS SERVICE PARTS OPE RAT ONS BU CK 44W 6 91 3 187 3 725