1986 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 A VIN PRODUCTION DIV CODE USAGE COL NO 17086008 6 D 307Y 1 1 17086009 6 D 5 0 9 W B05 2 GROUP DESCRIPTION OTY 1 2 3 4 5 3 725 CARBURETOR PRODUCTION 1 17086008 17086009 T 3 725 CARBURETOR SERVICE 1 17111487 17111472 3 725 POWER CARB KIT 1 17076141 17076141 3 730 AIR HORN KIT 1 17111488 17111473 3 820 COMPENSATOR KIT IDLE LOAD 1 17111104 3 750 COVER COIL KIT HOT AIR CHOKE 1 17110646 17110646 T 3 740 FILTER NUT FUEL INLET I 1 17059861 17059861 3 740 FILTER FUEL INLET 1 5651803 5651803 3 745 FLOAT INSERT KIT 1 17111103 17111103 3 734 FLOAT BOWL KIT 1 17111096 17111096 3 738 GASKET KIT AIR HORN 1 17111093 17111093 3 740 GASKET FILTER NUT 1 7024281 7024281 3 750 HOUSING KIT CHOKE 1 17111100 17111656 3 814 NEEDLE SEAT 1 7035134 7035134 3 820 0 RING KIT IDLE AIR BLEED VALVE 1 17079838 17079838 3 838 PUMP ASM 1 17051117 17051117 T 3 750 RETAINER KIT CHOKE COVER 1 17067078 17067078 3 806 ROD 8 JET KIT METERING 1 17110136 17111477 3 724 SCREW ASSORT KIT MAJOR ASM ATTACH 1 17078935 17078935 3 764 SENSOR KIT THROTTLE POSITION 1 17078448 17078448 3 440 SOLENOID KIT IDLE 1 17111207 3 440 SOLENOID KIT MIXTL1RE CONTROL 1 17111102 17111102 3 729 THROTTLE BODY KIT 1 17111489 17111475 3 755 VACUUM BREAK KIT PRIM 1 17067211 17067211 T 3 755 VACUUM BREAK KIT SEC 1 17111101 17111101 3 820 VALVE IOLE AIR BLEED 1 17079335 17079335 ADDITIONAL ATTACHING PARTS DIV GROUP MODEL USAGE NOUN NAME DESCRIPTION QTY PART 6 3 726 D 307Y GASKET CARB 01 22508038 6 3 726 D 5 0 9 W BO5 GASKET CARB 01 22508038 6 3 750 D 307Y PIPE CHOKE CLEAN AIR 01 419302 1 6 3 750 D 5 0 9 W B05 PIPE CHOKE CLEAN AIR 01 419302 6 3 750 D 5 0 9 W B05 SWITCH CHOKE HTR 01 3815936 1992 GENERAL MOTORS SERVICE PARTS OPERAT 0NS CADILLAC 620 3 725 3 42 11 92