This is a HFCM drain valve for a Ford Powerstroke 6.0 Diesel. This fitting allows you to easily drain the HFCM (Horizontal Fuel Conditioning Module) of all water. For Ford Powerstroke 6.0L Diesel. ????Straight -10AN Flare Male to 1/2" NPT Taper Pipe Turbo Drain Adapter Fitting.