Tecumseh 640311 Carburetor Original Tecumseh part Fits models HSK850-8319D, HSK850-8319E, HSK850-8325D, HSK850-8325E, HSK850-8334D, HSK850-8334E, TEC-640311, TH139SA-8334F, TH139SA-8334G, TH139SA-8342F, TH139SA-8342G, TH139SA-8343F, TH139SA-8343G Replaces part number TC-640311, TC-640094, 632712, TC-632712, 640094 Please verify model number prior to ordering to ensure this is the correct part for your engine