1990 HEATER MODULE VIN PRODUCTION DIV CODE USAGE COL NO 52451148 123 A W HTFNQC41 1 GROUP DESCRIPTION QTY 1 m 2 3 4 5 8 845 HEATER ASM 1 52451148 8 845 BRACKET VENT CBL MT 1 3055210 8 854 CASE W VLV 1 52451610 8 854 CLAMP SPL CORE MT 1 3042457 8 854 CORE HTR 1 3042073 8 854 PLATE CVR 1 3041135 8 854 SEAL CORE TUBE 1 3042716 8 852 SHAFT W LVR DEFR 1 3050815 8 852 SHAFT W LVR TEMP 1 3042679 9 786 SHAFT W LVR VENT 1 3055209 9 779 VALVE DEFR 1 3042066 8 845 VALVE W SEAL PWR VENT 1 3040741 8 858 VALVE W SEAL TEMP 1 3041134 1991 GENERAL MOTORS SERVICE PARTS 0PERAT10Ns cHEvn0L5T 17A 5 91 8 15 5 345