OEM Carburetor Kit / Walbro K13-WYKPack Size:1Echo P003001121, Walbro K13-WYK, Walbro K21-WYK, Walbro K20-WYK, Walbro D21-WYKJ. Thomas K13-WYK, J. Thomas 615452, NHC 203-5044, Stens 615-586Kawasaki AG20 and TE059D blower Not compatible with greater than 10% ethanol fuel