MW03 0143 RPO DEFINITIONS L27 ENGINE 3 8L SFI V6 ME9 TRANSMISSIONAUTOMATIC 4 SPEED THM440 T4 4TGO NA5 EMISSION SYSTEM FEDERAL REQUIREMENTS NB2 EMISSION SYSTEM CALIFORNIA REQUIREMENTS U2 I CLUSTER INSTRUMENT OIL COOLANT TEMPERATURE TACHOMETER VOLTMETER I f I I993 GENERAL MOTORS SERVICE PARTS OPERATIONS BUICK 45W 1 2 93 3 77 3 000 GROUP