OEM Carburetor / Stihl 4223 120 0652Pack Size:1Stihl 4223 120 0652, Stihl 4223 120 0601, Stihl 4223 120 0600, Stihl 4223 120 0650, Tillotson HS-279DStihl TS400 Cutquik saw Not compatible with greater than 10% ethanol fuel