Find the lawn more spindle you need for your walk-behind lawn mower or riding lawn mower. MTD Parts has a large selection of replacement spindles you can use to install when your old spindle has broken or needs to be replaced. MTD even has spindle assembly kits available for you to buy. Spindles are an important part to ensuring that your lawn mower runs efficiently and you can easily check on their condition as a part of routine maintenance. If you don't know the part number of the spindle you are looking for, use our Part Finder to get what you need.