Tecumseh Diaphragm S200 S-200 S620 S-620 Fits Toro Ariens Snowblower Snow BlowerOne New Aftermarket Replacement Carburetor Diaphragm Kit for Tecumseh Small Engines This carburetor diaphragm kit replaces the fuel metering diaphragm and gasket inside Tecumseh diaphragm type carburetors fitted to 2 cycle and small 4 cycle engines on Toro snow blowers, Ariens equipment, and a wide range of lawn and garden machinery. A worn or cracked diaphragm causes hard starting, rough running, and fuel delivery problems replacing it restores