The Case IH AF4158 is a genuine OEM air filter designed to provide superior filtration and protect the engine from harmful contaminants. This high-quality filter ensures optimal airflow and extends engine life for various Case IH, New Holland, Steiger, and Case agricultural and construction equipment. With an outer diameter of 355.6 mm, an inner diameter of 203.2 mm, and a length of 431.8 mm, it offers a precise fit and reliable performance.