The Shindaiwa A021001970 Leaf Blower/Vacuum Carburetor Assembly helps provide the proper air and fuel mixture needed for efficient engine operation. This carburetor assembly meters fuel and air into the engine to support starting, idling, and consistent performance during blower or vacuum use. It is a practical replacement for a worn, clogged, damaged, or malfunctioning carburetor tha... https://www.wholetoolbox.com/shindaiwa-a021001970-leaf-blower-vacuum-carburetor-assembly/A021001970.html