The Donaldson P550440 is a genuine Spin-On Fuel Filter designed for standard efficiency filtration, effectively removing contaminants from fuel to protect precision fuel system components. Featuring a 10-micron cellulose media, this filter ensures clean fuel delivery. It has an outer diameter of 76.2 mm, a length of 127 mm, and a 3/4-16 UN thread size. The gasket has an outer diameter of 71.6 mm and an inner diameter of 62.1 mm. This filter is a direct aftermarket equivalent for Caterpillar P576926, AGCO 700720464, John Deere RE509031, Massey Ferguson 700720464, Perkins 26560201, and Volvo 11037868. It fits a wide range of Caterpillar industrial engines, excavators, backhoe loaders, skid steer loaders, and other heavy equipment models.