1997 Dodge Ram 12 Valve Cummins Diesel ENGINE 250k MILES. These are used parts!! We list only good useable parts. If there are defects/imperfections, although, (we may miss something), we photograph those defects/imperfections and describe same in the item listing! WE DO NOT SELL PARTS FOR DIAGNOSING PURPOSES! Please look carefully at the listing and pictures to ensure that you are purchasing the correct product for your needs, as it is the buyers’ responsibility to ensure purchasing of the correct item!!!! Our goal is to work with the customer to ensure you are purchasing the right item.