Petcock Fuel Shutoff Valve with 16mm x 1.5mm thread and 22mm hex nut. Designed for use with various gasoline generators. Compatible with Predator generator models and other select brands. Fits fuel tanks requiring this specific valve type. Suitable for use with 5.5HP to 16HP engines including 168F, 170F, 173F, 177F, 182F, 188F, 190F, and various CC sizes including 163CC, 196CC, 208CC, 211CC. Matches OEM part numbers 46558, 46561, 46596, 46533, 46534, 46535, 46539, 46540, 46551, 46553, 46554, 46555, 40026, 40008, 40012. Fits GP5000, GP5500, GP6000E, GP6500, GP6500E, GP7000, GP7000E, GP7500, GP7500E, GP8000E, H5500, H6500, H7500, HW5500E, HW6500, HW7500E, XT8000E, Honda EB3500X, EB3500XK1, EB3800X, EB5000X, EB5000XK1, EB5000XK2, EB6500SX, EB6500X, EM3500SX, EM3500SXK1, EM3500X, EM3800SX, EM5000SX, EM5000SXK1, EM5000SXK2, EM5000X generators. Universal fit for select All Power America, Alton, BS, Blackmax, Buffalo Tools Sportsman, Centurion, Chicago, Chongqing LIFAN, Coleman Powermate, Dewalt, Duromax, Durostar, Eastern Tools, Energin, ETQ, Generac, General Power Products, Harbor Freight, Honda, Honeywell, Husky, Kenowa Tools Truelife, Kipor, Lifan, Onan, Pepboys, Poulan, Powerhorse, Powermate, PowerPro, Powerstroke, Predator, Prosource, Pulsar, WEN, Wen Power, Westinghouse and other compatible portable generators. Please compare with your original part before ordering.