I GM00 228 RPO DEFINITIONS K LN2 ENGINE GAS 4 CYL 2 2L 2 2 4 MFI A MD9 TRANSM SSION AUTOMATIC 3 SPEED THM125C 3T40 MR3 TRANSMISSION MANUAL 5 SPEED ISUZU r NM8 EMISSION SYSTEM LEADED FUEL wu W T 1993 GENERAL MOTORS SERVICE PARTS OPERATIONS CHEVROLET 18L 7 0 000 GROUP 0 12 I 5 93