Engine control module from a 2004 Ford F-150. This is in good working order and was removed from a truck that ran well with no CELs or stored codes. The case and connectors have no damage. The pictures are of the actual part you will receive. This item will require on-car programming, coding or flashing during installation in order to work with your vehicle. Please confirm that you or your repair facility can perform this procedure before making your purchase. Part number is 4L3A-12A650-AAJ. This will replace the same number ending in AAF-AAK as well as the part number 4U7A-12A650-ZA through ZF. This fits 2-wheel drive 04 Ford F-150 with 5.4L 3V engine, Federal emissions, and matching/compatible number only. Please make sure to match one of the part numbers listed before ordering.