General description The Honda GX390 Carburetor is a high-quality OEM replacement designed for various engines, including the Predator 420cc and Honda GX series. This carburetor is engineered to provide optimal performance for a range of applications, from lawn mowers to water pumps. Technical specifications OEM Replacement Carburetor: 16100-ZF6-V01; 16100-ZF2-V01; 16100-ZE3-505 Weight: 310 grams Center bore diameter: 26mm / 1.04'' Center to center mounting hole distance: 52mm / 2.04'' Compatibility and accessories Fits Harbor Freight Predator 420cc, Dingo T413, Toro 22308, 22330 Replaces Honda GX340, GX390, GX420 engines (11HP, 13HP, 16HP) Compatible with Honda water pumps: WT40XK1, WT40XK2, WT40XK3 Includes: 1 carburetor, 3 gaskets, 1 intake manifold, 1 tank gasket filter, 1 fuel filter, 1 insulator, 1 air filter, ignition components, spark plug, switch, and 2 air filters