Easy replacement drive gear for garage door openers.About an hour to remove and replace new gear and the grease to lubricate the new gear.You can do this . This item Drive Gear and Grease for Cham. . The 41A2817-Q drive gear is compatible with Chamberlain, LiftMaster, and Sears Craftsman belt and chain drive openers manufactured from 1984-current. . 2 Pack - Drive Gear for Sears Crafsman Liftmaster Chamberlain Garage Door Openers 1984 . Buy ANG 20242WGREASE Drive Gear with Grease for Sears Crafsman Liftmaster Chamberlain Garage Door Openers 1984-Current: Automotive - Amazon.com . Find Garage Door Opener Gears in Garage Doors & Openers Buy or sell garage . I also Sell the Required Lithium Gear Grease needed for the installation. Liftmaster-Sears Large Main Drive Gear Only (+Lube) with Quick Change . This drive gear replacement is for all residential Sears Craftsman, Liftmaster, Master . A garage door opener that hums or grinds but doesn't open the door may just have . You'll have to get a replacement gear kit (two new gears, grease and . Apr 20, 2018 - Worn gears are a common cause of garage door opener failures. . kit should contain two new gears, some washers, and a tube of grease. Jan 5, 2012 - Our house was built in 1999 and we don't know if any maintenance has . You want someone to lube all of the proper points and inspect the . This is a very important subject when it comes to Garage doors and Garage door openers. . system including panel fatigue, hinge failure, roller failure, gear and .