Fuel Filter, Filter Design Spin-On, Secondary Fuel/Water Separator Spin-On with Drain, Micron Rating 20, Height 6 1/16 in, Length 6 1/16 in, Width 3 11/16 in, Outside Dia. 3 11/16 in, Includes Drain, Inside-Out Flow, Integral Post Seal, Sensor PortThread: 1/2-20,I. Gasket