2003 DODGE RAM 2500 3500 5.9L CUMMINS Automatic 4×4 DIESEL ECU ECM 3963994. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. You will only receive what is pictured unless otherwise stated in the description. Please do not assume anything else will be included if it is not pictured. Please verify that it fits and is compatible with your specific model before purchasing. If you have any doubts – check with your local dealer, your mechanic or other sources to make sure that you’re purchasing the right part.