The Tecumseh 640112 Lawn Mower Carburetor helps maintain the proper fuel and air mixture for smooth, reliable engine operation and consistent mowing performance. Designed as a replacement carburetor, it controls fuel delivery to support dependable starting, steady idling, and efficient combustion. Replacing a worn or malfunctioning carburetor can help resolve common engine issues such... https://www.wholetoolbox.com/tecumseh-640112-lawn-mower-carburetor/640112.html