The Case IH 1121117780 is a genuine OEM piston designed for various Case IH agricultural machines. This high-quality piston features a 100 mm diameter, 100 mm height, and a 35 mm pin diameter, with 3 segments. It is suitable for Case IH 4210, 4220, 4230, 4240, 5120, 5130, 5140, 5150, 5210, 5220, 5230, 5240, 5250, MX100, MX110, MX120, MX135 tractors, as well as 1620, 1640, 2144, 2166, 2344, 2366 combines, and 8820, 8830, 8840 windrowers. Ensures optimal engine performance and durability.