FRONT END SIHEET ME TAL HEATER CHEVROLE I MODEL REFERENCE 1986 HEATER MODULE VIN PRODUCTION DIV CODE USAGE COL NO 03048114 12 F EXC A C 1 03056268 12 F W ELEC CONT HTR C40 2 03056268 12 F W A C 2 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS CHEVROLET 17F REV 6 88 HEATER MODULE 1 8 845 GROUP