The Stihl 11301402812 is an authentic OEM filter housing designed for various Stihl chainsaw models, including the MS 170, MS 180, 017, and 018. This essential component securely holds the air filter, protecting the engine from dust and debris, and maintaining proper air intake for efficient operation. Constructed from durable materials, it ensures a precise fit and reliable performance, crucial for the longevity and power of your Stihl chainsaw. Replace a damaged or worn housing to restore optimal air filtration and engine protection.