The Case IH 3221737R91 is a genuine OEM relief valve designed for various Case IH agricultural tractors, including MXM, MXU, Puma, and Maxxum series models. This critical hydraulic component helps regulate system pressure, protecting components from overpressure and ensuring efficient operation. Weighing 0.12 kg with dimensions of 95 mm length, 51 mm width, and 51 mm height, this valve is engineered for precise fit and reliable performance in demanding agricultural applications.