OEM Carburetor / Walbro WT-827-1Pack Size:1Walbro WT-827-1, Walbro WT-539-1, Walbro WT-827, Walbro WT-539, Walbro WT-149-1, Walbro WT-526-1, Walbro WT-340-1NHC 203-5705, Stens 615-971Ryobi Trimmer engines Not compatible with greater than 10% ethanol fuel