Fuel Pump Diaphragm / Walbro 95-118-8Pack Size:1Stihl 1120 121 4805, Walbro 95-118, Walbro 95-118-8NHC 203-5200, Prime Line W95-118, Rotary 8104, Sunbelt 95-118Walbro WA, WT and WTA model carburetors Not compatible with greater than 10% ethanol fuel