The STIHL 41284303500 Housing is a genuine OEM replacement part designed for a wide range of STIHL professional trimmers, brushcutters, and earth augers. This essential component ensures proper enclosure and protection for internal mechanisms, maintaining the integrity and performance of your equipment. Compatible with models including FS 120, FS 200, FS 250, FS 300, FS 350, FS 400, FS 450, FS 480, FR 350, FR 450, FR 480, BT 120 C, BT 121, SP 200, SP 400, SP 450, SP 451, SP 480, SP 481, FT 250, FS 400 K, FS 450 K, FS 480 K, FR 480 C, and FR 480 CF.