Aluminum diecast spindle assembly helps your lawn mower pulley system perform efficiently while giving your lawn mower power. Bearing is pre-lubricated with grease. Connects to the lawn mower blade. Includes bearing, housing, and shaft. Damage to the spindle can occur when your mower blade hits a hard object or a curb. Due to engineering standards, some parts are updated or changed and are assigned a new part number. Previous part number was 4165023. This part is the direct replacement.
