Air Filter Fits Briggs and Stratton 390492 050353 100-099One New Aftermarket Replacement Air Cleaner Cartridge Filter Fits Briggs and Stratton Horizontal Engines This round style, pleated paper air cleaner cartridge filter protects Fits Briggs and Stratton 7 and 8 HP horizontal shaft engines from dirt and debris ingestion. Designed as a direct fit replacement for early style air cleaner assemblies, this filter maintains clean airflow to the carburetor for optimal combustion and engine life. Specifications