The Stihl 41386401701 is an authentic OEM chain wheel cover, specifically engineered for a wide range of Stihl trimmers and brushcutters. This critical component serves to protect the chain wheel assembly from debris, dust, and impacts, contributing to the longevity and safe operation of the equipment. Manufactured to Stihl's stringent quality standards, it guarantees a precise fit and durable performance. This cover is compatible with models including FS 120, FS 200, FS 250, FR 350, FR 450, FR 480, FS 300, FS 350, FS 400, FS 450, and FS 480.