The Case-IH AF4865M is a genuine OEM air filter designed to provide superior filtration and protect the engine of various Case-IH agricultural and industrial machinery. With an outer diameter of 257mm, an inner diameter of 140mm, and a height of 445mm, this filter effectively removes contaminants from the air intake, ensuring clean airflow and extending engine life. It is a direct replacement for original part numbers including CNH 182046A1, 182046A2, 182046A3, and 182046A4, fitting a wide range of Case-IH combines, cotton pickers, forage harvesters, industrial equipment, and tractors.