The Case-IH AF1855 is a genuine air filter designed to provide superior engine protection by effectively removing dust, dirt, and debris from the air intake system. This high-quality filter ensures optimal engine performance and longevity for a wide range of Case IH, Steiger, and New Holland agricultural machinery, including various combine, tractor, and harvester models. With an outer diameter of 257.81 mm, an inner diameter of 142.24 mm, and a length of 444.5 mm, this filter is a direct replacement for OEM part numbers like 182607A1 through 182607A9.