General description Carburetor Rebuild Kit with Diaphragm K10-WAT is designed for various models including Walbro WT-1, WT-10, Stihl FS40, FS44, Husqvarna 50R, 26L, 232R, 235R, 225R, 240, McCulloch, Echo, and others. This kit replaces the manufacturer part number K10-WAT. Package Contents 2 Carburetor Diaphragm Kits 2 Primer Bulbs 2 Hoses 1 Fuel Filter