This genuine Case IH part 156664A1 is a high-quality stud designed for secure fastening in a wide range of Case IH agricultural equipment. It is compatible with MX series tractors (MX100, MX110, MX120, MX135, MX150, MX170), 7100, 7200, and 8900 series tractors, 2100, 2300, and 2500 series combines, 2000 series cotton pickers, 700 series forage harvesters, and 8800 series windrowers. Engineered for durability and a precise fit, this OEM stud ensures reliable performance in demanding agricultural applications.