The Case-IH AF1978 is a genuine OEM primary air filter designed to provide superior filtration and protect the engine of various Case-IH agricultural machines. This high-quality filter ensures clean air intake, preventing harmful contaminants from entering the engine and maintaining peak performance and longevity. It is engineered to meet the exact specifications of Case-IH equipment, offering reliable and efficient operation for models such as the 5120, 5130, 5140, 5220, 5230, 5240, and 5250.