This air filter cover is a genuine Stihl OEM replacement part designed for select Stihl chainsaws, including the 029 and MS 290, with part number 1127 140 1900. Built from durable, impact-resistant plastic, it protects the air filter and intake area from sawdust and debris. By blocking contaminants, it helps maintain steady airflow, supports cleaner combustion, and minimizes unnecessary engine wear for longer-lasting performance.
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