Carburetor / Tecumseh 640020BPack Size:1Tecumseh 640020B, Tecumseh 640020, Tecumseh 640020AOregon 50-562, Rotary 13151Tecumseh VLV50, VLV55, VLV60, VLV66, and VLV126Ethanol: Not compatible with greater than 10% ethanol fuel, Gasket included