The MTD 951-14423 Carburetor Assembly regulates the air and fuel mixture supplied to compatible engines for proper combustion and operation. It mixes fuel with incoming air before the mixture enters the engine, supporting reliable starting, smooth running, and consistent performance. This OEM replacement carburetor is designed for compatible 5X65RU and 6X65RU engine applications and r... https://www.wholetoolbox.com/mtd-951-14423-carburetor-assembly/951-14423.html