Liftmaster, Chamberlain, Sears, Craftsman Garage Door Opener 41C5141-1 Complete Trolley Assembly for Models with a Square Rail - includes Inner Slide and Outer Trolley Assembly.
We recommend Liftmaster, Chamberlain 83A11-02 lubricant to make sure that your new trolley assembly operates smoothly.
This trolley Assembly will work on all LiftMaster, Chamberlain, Sears chain drive models that have a square rail assembly. Any questions contact a sales associate at 866-901-1600.
