The Tecumseh 640231A Engine Carburetor helps deliver the correct air and fuel mixture for smooth and dependable engine operation. This carburetor is a replacement engine component designed to regulate the flow of fuel and blend it with incoming air before it enters the combustion chamber. By maintaining the proper mixture ratio, it supports efficient combustion, consistent engine perf... https://www.wholetoolbox.com/tecumseh-640231a-engine-carburetor