The Donaldson P550048 is a high-quality spin-on fuel filter designed to provide superior protection for diesel engines. Featuring a 10-micron cellulose media, this filter efficiently removes contaminants, ensuring clean fuel delivery and optimal engine performance. It has an outer diameter of 76 mm, a length of 101 mm, and an M16 x 1.5 thread size. This genuine Donaldson filter is a direct replacement for various OEM part numbers, including Perkins 26560143, Massey Ferguson 3621290M1, and John Deere RE509031, fitting a wide range of agricultural and construction machinery.