The Donaldson P550837 is a high-quality spin-on fuel filter designed to provide superior protection for diesel engines in various agricultural and construction equipment. This genuine Donaldson filter effectively removes contaminants from the fuel system, preventing damage to sensitive engine components and ensuring optimal engine performance and longevity. With an outer diameter of 93 mm and a length of 142 mm, it features an M16 x 1.5 thread size and a gasket with an outer diameter of 72 mm and an inner diameter of 62 mm. It offers excellent filtration efficiency, making it a reliable choice for demanding applications.