Briggs & Stratton pre-filter. If this filter is dirty or clogged, the engine will run rough. This filter should be replaced if clogged or when replacing the air filter.
Genuine OEM Part - Manufacturer #491435S
Pre filter
Genuine OEM Part - Manufacturer #492889
Order now and this item will ship out Monday
Filter-pre cleaner
Genuine OEM Part - Manufacturer #271794S
Order now and this item will ship out Monday