Carburetor Kit / Briggs & Stratton 394989Pack Size:1Briggs & Stratton 394989Laser 98123, NHC 262-1030, Oregon 49-989, Rotary 7968Briggs & Stratton 243431, 243432, 243434, 243436, 243437, 254412, 254422, 254427, 326431, 326432, 326435, 326436 and 326437Ethanol: Not compatible with greater than 10% ethanol fuel