041A5585 Compatible Chain Drive Gear and Sprocket Kit.
 
This is a replacement chain drive gear and sprocket kit that is compatible with various chain drive garage door openers manufactured since 1984.
 
This complete kit includes these items: Helical gear, worm gear, wear bushings, grease, and hardware needed to replace the chain drive gears.
 
We process orders on the following business day and provide a 30-day return policy for your convenience.