This repair kit is compatible with LiftMaster garage door openers, specifically the models 41A5021-I, 41A5021-1I, and 41A5021-315.  that will help repair any issues you may be experiencing with your garage door opener. The kit is brand new and comes from a trusted brand, Chamberlain. With this repair kit, you can save money and fix your garage door opener yourself instead of hiring a professional. The kit is easy to install and will get your garage door opener up and running in no time. Track Page Views WithAuctiva's Counter