The Donaldson P778462 is a genuine PowerCore primary air filter designed for superior engine protection in demanding agricultural, construction, and industrial machinery. This high-efficiency air filter features a cellulose media, ensuring 99.9% filtration efficiency. With an outer diameter of 206.5 mm, an inner diameter of 105.4 mm, and a length of 338.1 mm, it effectively removes contaminants from the air intake, extending engine life and maintaining optimal performance. It serves as a direct replacement for various OEM part numbers, including John Deere AT175249, Case IH 87300067, and Caterpillar 1393666.