Poweka Carburetor Carb + Gasket fit for TECUMSEH 640349 9hp HMSK80 HMSK90 640349 SnowblowerReplace Oregon 50-659 New high quality replacement carburetor Fits tecumseh 8hp 9hp HMSK80 HMSK90 snowblower Replace TECUMSEH 640349 , 640052, 640054 Replace MFG # 5313 / 5002 / 5036 and OREGON 50-659 Replace STENS 520-926