The Case-IH 87383742 is a genuine OEM Electronic Control Unit (ECU) specifically designed for Case-IH Farmall C Series tractors. This critical component is responsible for managing various engine functions, including fuel injection, ignition timing, and emissions control, to ensure efficient and reliable operation. It is compatible with Farmall 90C, 100C, 110C, and 120C models. This part has been superseded by part number 87693976, offering a direct replacement for maintaining your agricultural machinery's performance.