The Case-IH AF4939 is a genuine OEM air filter designed to provide superior engine protection and maintain optimal performance for various Case-IH JX series agricultural tractors. This high-quality filter effectively captures dust, dirt, and debris, preventing harmful contaminants from entering the engine's intake system. With a length of approximately 300 mm and an outer diameter of 120 mm, it ensures a precise fit and reliable filtration, extending engine life and reducing maintenance costs. It is a direct replacement for the original filter in models such as the JX100U, JX1070U, JX1080U, JX1090U, JX1100U, JX55, JX60, JX65, JX70, JX75, JX80, JX85, JX90, and JX95.