The Donaldson P778989 is a high-efficiency RadialSeal™ outer air filter designed to provide superior engine protection for various agricultural and construction equipment. Featuring advanced cellulose media, this primary air filter ensures optimal filtration, capturing 99.9% of contaminants. It is a direct replacement for OEM part numbers including Case IH 87356673, New Holland 87356673, Valtra 33501100, and Massey Ferguson 33501100, ensuring perfect fit and performance in compatible Case IH MXM, Puma, Magnum, Steiger, Quadtrac series; New Holland T6000, T7000, T8000, T9000, TG, TJ, TVT series; Valtra T, N, S series; and Massey Ferguson 8400, 8600 series machines.