LiftMaster 041B3243 Inner Trolley Kit

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.

Includes

• Steel inner trolley
• Threaded shaft
• Replacement hardware

Also known as

• LiftMaster 41B3243
• LiftMaster 210C20