The Donaldson P550481 is a high-quality spin-on fuel filter, also identified by Kramp as P550481, engineered to deliver clean fuel and protect critical engine components from harmful contaminants. With an outer diameter of 93 mm and a length of 178 mm, this filter features an M16 x 1.5 thread and provides 99% efficiency at 4 micron. It is a direct replacement for various OEM part numbers, ensuring reliable performance and extended engine life across a wide range of agricultural, construction, and industrial machinery applications.