This is an used ECM for the Dodge Ram Diesel. This is for the automatic transmission. Please make sure your part number matches that in the listing. If it does not please contact your local dealer for compatibility. These are used parts and some wear and tear should be expected. While we try to test every part it is not always possible. Instrument cluster need to be taken to your local dealer to be programmed to your existing mileage to prevent odometer fraud. Engine computers and any other electrical parts may need to be programmed at your dealer to work in your vehicle. What is shown in the pictures is what you will receive. Do NOT expect more with the item than what is shown in the pictures. If you need more time please let me know! We work hard to keep our customers happy. If you have a question please ask before purchasing.