1991 HEATER MODULE NOTE A01 IMPELLERS MAYBE REPLACED BY A PRESS ON TYPE IMPELLER THAT REQUIRES A NEW CORRESPONDING BLOWER MOTOR NOTE AO2 BLOWER MOTORS MAYBE REPLACED BY ONE THAT REQUIRES A PRESS ON TYPE IMPELLER VIN PRODUCTION DIV CODE USAGE COL NO 52455512 1 J W HTR C41 1 GROUP DESCRIPTION QTY 1 2 3 4 5 9 169 HEATER ASM 1 52455512 9 280 ACTUATOR VAC HEAT DEER 1 1996779 9 280 ACTUATOR VAC MODE 1 1996778 9 779 BUMPER 1 52452127 9 211 CASE EVAP 1 52455357 9 762 CLIP SHAFT RET 1 3090399 8 854 CORE HTR 1 3058622 8 854 COVER CORE 1 52455358 9 786 DUCT DEFR AIR 1 52458292 8 854 GASKET EVAP CASE 1 3056496 9 786 LEVER W LINK SLAVE 1 3053003 8 921 NUT M3 6 X 1 23 RD PUSH ON AR 11501937 8 845 SEAL EVAP CASE TO SHROUD AR 3018179 9 211 SEAL EVAP CORE TO CASE 1 3043555 8 854 SEAL HTR CORE 2 3096726 8 854 SEAL MT 1 3056026 9 211 SEAL TUBE MOUNT 1 52455593 9 779 SEAT VLV DEER 1 3047022 9 786 SHAFT W LEVER SPRING 1 52456199 9 786 SHAFT W SPRING BRACKET 1 52455558 9 211 SHROUD CORE 1 52455356 8 854 STRAP CORE MT AR 3056003 9 786 VALVE W SEAL MODE 1 52456215 9 779 VALVE DEFR 1 52452097 9 786 VALVE TEMP 1 3091077 L 1993 GENERAL MOTORS SERVICE PARTS OPERATlONS CHEVROLET 17J i 8 845 8 20 4 93