The MTD 684-0069-0637 Impeller Assembly is one of the many parts that are essential for specific series of MTD snow throwers. This high-performance impeller effectively throws snow and debris from the machine while enhancing the clearing power and management of the snow. It is made from high quality materials to increase the durability of the snow blower while at the same time increas... https://www.wholetoolbox.com/mtd-684-0069-0637-impeller-assembly