This Engine Control Unit (ECU) is specially designed for Jeep Grand Cherokee vehicles from the year 2000. It is made of durable steel material and is a bolt-on type, making it easier to install. This ECU requires programming and uses a pin terminal type. It comes with a harness adapter and is a performance part that does not have universal fitment. The manufacturer part numbers for this ECU are P56041637AG, P56041637AF, 56041637AG, and 56041637AF. This ECU is an excellent replacement for your old or damaged one and is a genuine OE/OEM part.