LiftMaster Inner Trolley Kit | LIF-041B3243
This is an Inner Trolley Replacement Kit. For use with various Chamberlain® and LiftMaster® Chain Drive garage door opener rail assemblies. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility.
Genuine LiftMaster® replacement part.
- Steel inner trolley
- Threaded shaft
- Replacement hardware
Also known as
- LiftMaster 41B3243
- LiftMaster 210C20