UBS Garage Door Motor Drive Gear Compatible with Chamberlain Liftmaster Sears Openers

Lift master, Craftsman, Chamberlain Gear with Grease. 41A2817, do you hear your Chamberlain motor running but the chain is not lifting your door? It's probably your gear. To verify, remove cover off of motor head and you see white shavings, the gear is your problem. You must apply a low temp lithium grease to each tooth of the new gear or it will shred within days. Need a Low Temp Lithium Grease? Enter "Drive Gear and Grease for Chamberlain, Lift master, Sears Openers" in Amazon search box. This is for the gear only.