Engine control unit from a 2000 Dodge Ram 1500 with 3.9L engine. Carefully removed from a running truck with no check engine light on. The case and connectors have no damage. The pictures are of the actual part you will receive. If you provide us with your vehicles current PCM part number, VIN and mileage at the time of purchase we will program this PCM to match your vehicle so it is plug and play. We ship on the same business day, so please make sure to include the information at the time of purchase or the part may be shipped before we can program it. Fits 2000 Dodge Ram 1500 with 3.9L engine, manual transmission and matching part number only. Will not fit any other years or engines. Part number is 56040342AB. This will replace ECUs with 56040342 in the part number regardless of the ending letter pair. Please match the previous part number to your current ECU prior to purchase as there are multiple ECUs used for this truck.