Petcock Fuel Shutoff Valve Nut threading 16mm x 1.5mm; 22mm hex nut ( Please compare with your original carefully brfore ordering.) Predator Generator Parts Gas Tank Fuel Switch Valve Pump Petcock for Chinese Gasoline Generator 5.5HP 6.5HP 7HP 8HP 9HP 11HP 13HP 14HP 15HP 16HP 168F 163CC 196CC 170F 208CC 211CC 173F 177F 182F 188F 190F For GP5000 GP5500 GP6000E GP6500 GP6500E GP7000 GP7000E GP7500 GP7500E GP8000E H5500 H6500 H7500 HW5500E HW6500 HW7500E XT8000E generators;Honda EB3500X EB3500XK1 EB3800X EB5000X EB5000XK1 EB5000XK2 EB6500SX EB6500X,EM3500SX EM3500SXK1 EM3500X EM3800SX EM5000SX EM5000SXK1 EM5000SXK2 EM5000X Generator Generator Fuel Tank Petcock Shut Off Valve Fit For 46558 46561 46596 46533 46534 46535 46539 46540 46551 46553 46554 46555 40026 40008 40012 Generator Universal Fuel Valve for 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, etc. Gas Portable Generator Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.