A-B1594234-AI FILTER-AIRCLEANERFOOne New Aftermarket Replacement Foam Air Cleaner Filter Fits Briggs and Stratton (Fits Briggs & Fits Stratton) Small Engines This aftermarket foam air cleaner filter (FILTER AIR CLEANER FO) Fits Briggs and Stratton OEM part number 594234. The foam element sits in the air cleaner assembly and blocks dirt, dust, and debris from entering the engine's carburetor and combustion chamber, helping maintain proper air fuel mixture and protecting internal