Liftmaster 041b3243 Inner Trolley Kit
Also known as: 41B3243, 210C20Inner Trolley Kit
This is an Inner Trolley Replacement Kit. For use with various Chamberlain and LiftMaster Chain Drive garage door opener rail assemblies. Complete kit includes: steel inner trolley, threaded shaft, and replacement hardware. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility.
Genuine LiftMaster replacement part.
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