The Case-IH 87378479 is an original equipment manufacturer (OEM) potentiometer designed for a wide range of Case-IH agricultural tractors, including PUMA, MAXXUM, and OPTUM series. This essential component provides precise electrical resistance feedback, crucial for the accurate operation of electronic control systems such as throttle, transmission, or hydraulic functions. Manufactured to strict OEM specifications, it ensures reliable performance, durability, and perfect fitment, maintaining the optimal functionality of your machinery's electrical system.