The Donaldson P550881 is a high-quality genuine spin-on fuel filter designed for robust performance in heavy-duty applications. It features a 10-micron cellulose media, ensuring effective removal of contaminants to protect fuel systems and maintain engine longevity. With an outer diameter of 93 mm and a length of 175 mm, this filter is equipped with an M20 x 1.5 thread size. It serves as a direct replacement for Caterpillar 1R0750 and is widely applicable across various Caterpillar machinery, including excavators, wheel loaders, motor graders, and track-type tractors.