This Cummins ISB 6.7 ECM ECU part number 4993120 is a bolt-on female connector type computer module that tested 220 HP. It is made of steel material and has a metal surface finish. This ECU is a genuine Cummins product that is compatible with ISB 6.7 diesel engines. It is a great replacement part for your vehicle’s computer module. The mounting style is easy and convenient. This product is made in the United States and is of high quality.