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 by 8:00 PM ET, this part ships TODAY!
Filter-pre cleaner
Genuine OEM Part - Manufacturer #271794S
Order by 8:00 PM ET, this part ships TODAY!