STIHL FS87 FS90 FS100 FS130 FS310 KM90 KM100 KM130 Air Filter

The Gasket Genius air filter fits Stihl FS87, FS90, FS100, FS130, FS310, KM90, KM100 and KM130 strimmers and brushcutters. Replaces part number 4180 120 1800. The filter is designed to trap dust, dirt and airborne particles from intake air before they reach the carburettor and engine, helping maintain clean airflow and consistent engine performance.

By ensuring proper filtration, it helps reduce engine wear and performance issues caused by contaminated or restricted airflow, especially during regular use in demanding conditions.

Suitable as a replacement air filter when the original element becomes worn, dirty or clogged, restoring proper air intake and reliable operation across all listed models.