The Fleetguard FF5021 is a high-quality spin-on fuel filter designed to provide superior protection for diesel engines. With an overall height of 120.65 mm and a largest outer diameter of 76.2 mm, this filter features an M16 X 1.5-6H INT thread. It offers 98.7% efficiency at 10 microns, effectively removing contaminants from the fuel system. This filter is a direct replacement for Cummins 3903202 and John Deere RE509031, commonly found in Cummins B Series engines and various John Deere agricultural machinery models including 5045E, 5055E, 5065E, 5075E, 6100D, 6110D, 6115D, 6125D, 6130D, 6140D, 6403, 6603, 7200, 7210, 7400, 7410, 7500, 7510, 7600, 7610, 7700, 7710, 7800, and 7810.