The Case IH KNJ15580 is an OEM control valve designed for various agricultural machinery, including Case IH combines (1440, 1460, 1480, 1640, 1644, 1660, 1666, 1680, 1688, 2144, 2166, 2188, 2344, 2366, 2388, 2577, 2588, 5088, 6088, 7088), cotton pickers (1800, 1822, 1844, 2022, 2044, 2055, 2155, 2555), forage harvesters (8810), and tractors (7110, 7120, 7130, 7140, 7150, 7210, 7220, 7230, 7240, 7250, 8910, 8920, 8930, 8940, 8950, MX100, MX110, MX120, MX135, MX150, MX170). This genuine replacement part ensures proper hydraulic system operation and control across a wide range of Case IH equipment.