Carburetor Repair Kit / Tecumseh 631893APack Size:1Tecumseh 631893A, Tecumseh 631893NHC 631893, Oregon 49-239Tecumseh AH600, AV520, AV600, H22-H35, HS40, LAV30, LAV40, TVS600, TVS1400 and TVS1500Ethanol: Not compatible with greater than 10% ethanol fuel