This high-quality aftermarket air filter, commonly identified as Fleetguard AF1821M, provides essential engine protection for a wide range of agricultural and industrial equipment. It is designed to effectively remove airborne contaminants, ensuring clean air intake for optimal engine performance and longevity. This filter is a direct replacement for several OEM part numbers, including Case IH 87304030, New Holland 87304030, John Deere R522829, and AGCO 4287000M1. It fits various models of Case IH Farmall and JX series, New Holland T4 and TD series, John Deere 4R series, and Massey Ferguson 4700/5700 series tractors.