The Donaldson P550848 is a genuine secondary spin-on fuel filter engineered for superior filtration in various Caterpillar engines. This filter features a 10-micron cellulose media, ensuring 99% efficiency in removing contaminants and protecting critical fuel system components. With an outer diameter of 76 mm, a length of 106 mm, and an M16 x 1.5 thread size, it serves as a direct replacement for OEM part number Caterpillar 1R0750. It is designed for optimal performance and longevity in demanding agricultural and construction applications.