The Briggs & Stratton 845015 Carburetor regulates the air and fuel mixture supplied to the engine, supporting proper combustion and smooth operation. It delivers the fuel mixture required for the engine to run efficiently and helps maintain consistent starting and performance. Replacing a worn or damaged carburetor can help resolve fuel delivery issues and restore normal engine functi... https://www.wholetoolbox.com/briggs-stratton-845015-carburetor/845015.html