A-B1845291-AI FLOAT-CARBURETOROne New Aftermarket Replacement Carburetor Float Fits Briggs and Stratton Engines This aftermarket replacement carburetor float is designed for use in Fits Briggs and Stratton (B&S) carburetors. The float sits inside the carburetor float bowl and regulates fuel level by opening and closing the needle valve maintaining the correct fuel supply to the engine. A worn, cracked, or waterlogged float can cause flooding, hard starting, rich running, or fuel