I IG HT TRUICK MODEL REFERENCE 1987 AIR CONDZITIONIING COMPRESSORS VIN PRODUCTION DIV CODE USAGE COL NO 01131611 CT G3 350M 4N 4 1 01131197 CT G2 3 6 2C J N 2 03091 278 CT G1 2 3 4 3Z 4 4 3 03090927 CT G1 2 3 5 OH 5 7K 4 14 1991 GENERAL MOTORS SERVICE PARTJS OPERATIONS LT TRUCK 52G 1 91 9 13 9 170