The product is a recent remanufactured Engine Control Module (ECM) for a 2004 Jeep Liberty 3.7L with an Automatic Transmission. It is designed for direct replacement with the original part number #56044208AH. The ECM is a modified item that comes with a manufacturer warranty for an unspecified length. Produced by Chrysler, this Engine Control Unit is made in the United States and has pin terminals for connection. The part is suitable for interchange with part number 590-07499.