The Case IH 3220393R91 is a genuine OEM relief valve designed for a wide range of Case IH agricultural equipment. This critical component ensures precise hydraulic system pressure regulation, protecting machinery and maintaining optimal performance. It is compatible with various Case IH tractors including the 5100 and MX series, combines such as the 1600 and 2100 series, cotton pickers including the 1800 and 2000 series, and 8800 series windrowers. This valve is manufactured to strict Case IH specifications, guaranteeing reliable operation and a perfect fit.