Instructional Video on how to change gear kit
Liftmaster replacement gear kit Used in ALL Liftmaster, Chamberlain and Sears Openers. kit includes Drive gear, Worm gear, grease, roll pins, bushings
41A2817 Installation Instructions (click here)
41A2817 Instructional Video click here
41A2817 Installation Instructions (click here)
41A2817 Instructional Video click here