Fuel Filter Filter Design Spin-On Fuel/Water Separator Spin-On with Drain and Sensor Port Micron Rating 13 micron Height 11 1/8 in Length 11 1/8 in Width 4 1/4 in Outside Dia 4 1/4 in Includes Drain/Sensor Port/Integral Post Seal I. Gasket O-Ring Included Sensor Port Thread 1/2-20