NIMTEK New Carburetor Carb for Tecumseh 640084 640084A 640084B 632107 632107A Fits Snowblowers HSK40 HSK50 HS50 LH195SP NIMTEK Quality Aftermarket Carburetor Fits Parts Model: HSK40 HSK50 HS50 LH195SP. Replace Tecumseh 640084 640084A 640084B 632107 632107A. This carburetor comes with gasket.