FUEL EXHAUST CARBUR ETION I LIGHT TRUCK MODEL REFERENCE 1986 ROCHESTER 4 BC FOLLOW PROCEDURE OUTLINED BELOW TO DETERMINE CARBURETOR AND OR PART NUMBER 1 DETERMINE VEHICLE MODEL CHECK VIN DIVISIONAL CODE H 2 DETERMINE ENGINE AND CARBURETOR TYPE 3 PART NUMBER CAN BE DETERMINED BY CROSS REFERENCING CORRESPONDING COLUMN NUMBER WITH SAME COLUMN NUMBER ON CHARTS V VIN PRODUCTION DIV CODE USAGE COL N0 17085220 CT C1 03 305H W M T FED EXC A C 1 17085221 CT C1 03 305H W M T FED A C 2 17085526 CT C1 305F W A C 3 17085524 CT C1 305F EXC A C 4 17086048 CT C1 2 4 3N W A T ALT EXC P S A C 5 17086045 CT C1 2 4 3N W M T FED EXC P S A C 6 17086053 CT C1 2 4 3N W M T ALT EXC P S A C 7 17086044 CT C1 2 4 3N W A T FED EXC P S A C 8 17086047 CT C1 2 4 3N W M T FED A C EXC P S 9 17086047 CT C1 2 4 3N W M T FED P S 9 17086047 CT K1 4 3N W M T FED 9 17085292 CT CK1 K2 350L W A T MD8 FED A C 10 17085290 CT CK1 K2 350L W A T MD8 FED EXC A C 11 17085230 CT C1 2 K1 305H W A T MD8 MV4 ALT 12 17085004 CT CK2 3 454W W M T M20 FED 13 17085506 CT CK1 2 35OL W CALIF EXC A C 14 17085508 CT CK1 2 350L W CALIF A C 15 17085231 CT C1 2 K1 305H W M T ALT 16 17085238 CT C2 K1 305H W M T FED A C 17 17085227 CT C1 2 K1 305H W A T FED EXC A C 18 17085239 CT C2 K1 305H W M T FED EXC A C 19 sqnz 17085206 CT CK1 2 350L W A T MD8 ALT 20 17085226 CT C1 2 K1 305H W A T A C FED A 21 17086046 CT C1 2 4 3N W A T FED A C EXC P S 22 17086046 CT C1 2 4 3N W A T FED P S 22 17086046 CT K1 4 3N W A T FED 22 17086054 CT C1 2 4 3N W A T ALT A C EXC P S 23 17086054 CT C1 2 4 3N W A T ALT P S 23 17086054 CT K1 4 3N W A T ALT 23 17086055 CT C1 2 4 3N W M T ALT A C EXC P S 24 17086055 CT C1 2 4 3N W M T ALT P S X 24 17086055 CT K1 4 3N W M T ALT V 24 17086057 CT CK1 4 3N W A T MD8 CALIF 25 17086058 CT CK1 4 3N W M T CALIF 1 26 17085213 CT CK2 3 350M W A T FED 27 17085212 CT CK2 3 454W W A T M40 FED 28 17085003 CT CK2 3 35OM W M T M20 FED 29 17085000 CT CK2 3 454W W CALIF 30 17085235 CT K1 2 350L W M T ALT A 31 17085291 CT K1 2 350L W M T FED EXC A C Q 32 17085293 CT K1 2 35OL W M T FED A C 33 17085284 CT K1 03 305H W A T ALT 34 17085283 CT K1 03 305H W A T FED A C 35 NOTE 001 ON CARBURETORS WHERE THE GASKET KIT IS NOT SERVICED ORDER POWER CARB KIT NOTE 002 ON CARBS WHERE THE AIR HORN OR FLOAT BOWL IS NOT SERVICE 0RDER THE SERVICE CARB 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS LIGHT TRUCK 52R 3 725 CARB 4BBL ROCH 14 REV 1 88