The Case-IH AF4637 is a genuine OEM air filter designed to provide superior engine protection for a range of Case-IH agricultural equipment. This high-quality filter effectively captures dust, dirt, and debris, preventing harmful contaminants from entering the engine and maintaining optimal performance. With an outer diameter of 152 mm, an inner diameter of 89 mm, and a length of 254 mm, it ensures a precise fit and reliable filtration. Regular replacement of the air filter is crucial for extending engine life and improving fuel efficiency.