The Case-IH AF25428 is a genuine OEM air filter designed to provide superior engine protection for various Case IH agricultural machinery. This essential component ensures clean air intake, preventing harmful contaminants from reaching the engine and maintaining optimal performance and longevity. It is compatible with a wide range of Case IH combines, cotton pickers, forage harvesters, and windrowers, including models 1620, 1640, 1644, 1660, 1666, 2144, 2166, 2344, 2366, 1800, 1822, 1844, 2022, 2044, 2055, 2155, 2555, 781, 881, 8820, 8830, 8840, and 8850. Replaces OEM part numbers 87408226 and 87408227.