Fitbest Carburetor for Honda GX31 GX22 FG100 Little Wonder Mantis Tiller Carb 16100-ZM5-803 with Primer Bulb + Gasket High quality replacement carburetor with free primer bulb and gasket Fits : Honda GX31 GX22 FG100 Little Wonder Mantis Tiller Replaces manufacturer part number: 16100-ZM5-803 Fits Honda HHE31C HHT31S UMK431 UMK431K1 String Trimmer Brush Cutter