The Case-IH AF4125 is a high-quality air filter designed to provide superior engine protection for various Case-IH agricultural and construction equipment. This primary air filter effectively captures dust, dirt, and debris, preventing harmful contaminants from entering the engine's combustion system. With an outer diameter of 263.652 mm, an inner diameter of 139.7 mm, and a height of 419.1 mm, it ensures a precise fit and reliable filtration performance. This part number AF4125 has been superseded by 87408226, maintaining the same specifications and fitment across compatible models.