The Donaldson P775373 is a genuine primary air filter engineered to deliver superior engine protection for a wide range of agricultural and construction equipment. Featuring high-quality cellulose media, this filter ensures optimal air intake by effectively preventing harmful contaminants from reaching critical engine components. It serves as a direct equivalent for numerous OEM part numbers, including John Deere AT175073, Caterpillar 1106331, and New Holland 87300076, guaranteeing reliable performance and extended engine life. With an outer diameter of 152.4 mm and a length of 330.2 mm, it provides precise fitment for various John Deere tractors and combines.