The 1984911C1 Jaw is a genuine OEM component, originally specified for McCormick and widely cross-referenced for Case IH agricultural machinery. This essential part ensures proper function in a range of Case IH combine models, including the 1420, 1440, 1460, 1480, 1620, 1640, 1644, 1660, 1666, 1680, 1688, 2144, 2166, 2188, 2344, 2366, and 2388. It also fits Case IH cotton pickers such as the 1800, 1822, 1844, 2022, 2044, 2055, 2144, 2155, and 2555.