I TX01 0381 RPO DEFINITIONS I MTI TRANSMISSIONIAUTO 4 SPD THM R2 4L80 MT2 THANSMISSION MANUAL 5 SPEED ISUZU V MT8 TRANSMISS 0N MANUAL 5 SPD NEW PROCESS M20 TRANSMISSIONMANUAL 4 SPEED MUNCIE I S V01 RADIATOR HEAVY DUTY I 1992 GENERAL MOTORS SERVICE PARTS OPERAT ONS LT TRUCK 53P 1 000 GROUP 1 4 9 92 I I