The Case-IH AF4767 is a genuine OEM air filter designed to provide superior engine protection for various Case-IH Steiger and Quadtrac series tractors. This high-quality filter effectively removes contaminants from the air intake, preventing wear and maintaining engine efficiency. With an outer diameter of 304.8 mm, an inner diameter of 152.4 mm, and a length of 431.8 mm, it ensures a precise fit and reliable filtration for models including Steiger 350, 400, 450, 500, 550, 600, and Quadtrac 450, 500, 550, 600.