OEM Carburetor / Stihl 1121 120 0611Pack Size:1Stihl 1121 120 0611, Tillotson 40-HU-136A, Walbro WT-426-318HL Supply H20026, HL Supply HU-136A, HL Supply OWT1941Stihl 024, 026, MS240, MS260 chainsawsEthanol: Not compatible with greater than 10% ethanol fuel, This carburetor will not accept OEM repair kit