Petcock Fuel Shutoff Valve with 16mm x 1.5mm threading and 22mm hex nut. Designed for use with various gasoline generators. Compatible with Predator generator models and other select brands. Fits gas tank fuel switch applications for 5.5HP to 16HP engines including 168F, 170F, 173F, 177F, 182F, 188F, 190F, and engine sizes such as 163CC, 196CC, 208CC, 211CC. Compatible with GP5000, GP5500, GP6000E, GP6500, GP6500E, GP7000, GP7000E, GP7500, GP7500E, GP8000E, H5500, H6500, H7500, HW5500E, HW6500, HW7500E, XT8000E generators. Also fits models EB3500X, EB3500XK1, EB3800X, EB5000X, EB5000XK1, EB5000XK2, EB6500SX, EB6500X, EM3500SX, EM3500SXK1, EM3500X, EM3800SX, EM5000SX, EM5000SXK1, EM5000SXK2, EM5000X. Replaces part numbers 46558, 46561, 46596, 46533, 46534, 46535, 46539, 46540, 46551, 46553, 46554, 46555, 40026, 40008, 40012. Universal fit fuel valve for use with 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, , 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 gas generators.