V 4W04 0041 RPO DEFINITIONS I A LHO ENGINE 3 IL 3 IT V6 MD9 TFIANSMISSION AUTOMATIC 3 SPEED THM I25C 3T40 ME9 TRANSMISS ON AUTOMAT C 4 SPEED THM440 T4 4T60 M13 TRANSM SSION AUTOMAT C 4 SPEED 4T60 E V A 1993 GENERAL MOTORS SERVICE PARTS OPERATIONS BUICK 45W 2 93 A 4 87 4 000 GROUP