06 DODGE Ram 2500 Cummins Engine Control Module 5.9 Liter Diesel. Part number – 4931975. This ECM May need to be programmed prior to install. CUMMINS ENGINE COMPUTERS MUST BE PROGRAMMED BY A PROGRAMMER THAT ACTUALLY HAS THE KNOWLEDGE AND EQUIPMENT TO DO IT. THE DEALERSHIP AND MECHANICS DO NOT HAVE THIS CAPABILITY. This is an original part. All parts are (used) they have normal wear and tear. Please view all photos to see exactly what you’ll receive. Please check the part number to ensure this is the correct part for your vehicle. Please let us know if you have any questions we are always available. Please let us know of any issues before leaving feedback as we pride ourselves in our customer service. Thank you for visiting our store!