Y G TZM08 I 1 RPO DEFINITIONS I LB4 ENG NE 4 3L 4 3Z V6 LN8 ENGINE 2 5L 2 5E L4 LU2 ENGINE 4 3B 4 3B V6 HI OUTPUT L35 ENG NE 4 3L 4 3W CENTRAL PORT NJECT ON V6 9O DEG MD8 TRANSMISSIONAUTOMATIC 4 SPEED THM7OOR4 4L60 I I U52 CLUSTER NSTRUMENT ELECTRONIC I VO1 RADIATOR HEAVY DUTY VO2 RADIATOR HEAVY DUTY INCLUDES HEAVY DUTY TRANSMISSION OIL COOLER VO8 COOLING SYSTEM HEAVY DUTY I I 1992 GENERAL MOTORS SERVICE PARTS OPERATIONS LIGHT TRUCK 53M 8 92 8 5 8 000 GROUP