The Donaldson P604996 is a genuine safety air filter designed to provide superior protection for engines in demanding agricultural and construction applications. This high-efficiency filter captures harmful contaminants, preventing them from reaching critical engine components and extending engine life. It serves as a secondary or safety filter, working in conjunction with a primary air filter to offer enhanced filtration. Key specifications include an outer diameter of 104.9 mm, an inner diameter of 80 mm, and a length of 290.1 mm, with a weight of approximately 0.3175 kg. It is a direct equivalent to several OEM part numbers, including Caterpillar 1335673, John Deere AT175392, AGCO 3902361M1, Massey Ferguson 3902361M1, and Valtra 3902361M1, ensuring broad compatibility with various Challenger, Fendt, Massey Ferguson, and Valtra models.