100% Genuine Stihl OEM engine housing (part number 4144-020-3018 / 41440203018). Durable replacement designed for models like FS40, FS50, FS55 brushcutters; FC56 edgers; KM56 and HT56 pole pruners. Ensures reliable operation, precision fit, and long-lasting performance.
✅ 100% Genuine Stihl OEM engine housing
✅ Direct fit for models: FS 40, FS 50, FS 55 brushcutters; FC 56 edgers; KM 56 and HT 56 pole pruners 
✅ Durable design withstands outdoor use and equipment vibrations
✅ Restores original frame integrity and part alignment
✅ Easy swap-in replacement—no modifications required