The MTD 951-05389 Carburetor Assembly regulates the air and fuel mixture supplied to a compatible engine for proper combustion and operation. The carburetor meters fuel and combines it with incoming air before the mixture enters the engine, supporting starting, idling, and normal engine performance. Designed for compatible MTD outdoor power equipment, this replacement assembly can be ... https://www.wholetoolbox.com/mtd-951-05389-carburetor-assembly/951-05389.html