The STIHL 11420801601 is a genuine OEM fan housing cover, specifically designed for STIHL MS 261, MS 271, and MS 291 series chainsaws. This durable plastic component, often found in orange and black, plays a crucial role in protecting the engine's internal components and ensuring proper airflow for efficient cooling. As an original STIHL part, it guarantees a precise fit and reliable performance, essential for maintaining the integrity and operational efficiency of your chainsaw.