The MTD 717-1582B Spur Gear 44T transfers rotational motion within compatible MTD equipment drive systems. The 44-tooth gear works with other gears in the assembly to help transmit power and maintain proper mechanical movement during operation. This spur gear is a practical replacement for a worn, damaged, or excessively worn gear that may cause noise, slipping, or reduced drive perfo... https://www.wholetoolbox.com/mtd-717-1582b-spur-gear-44t/717-1582B.html