Also known as:
41B3869-1, 41B3869-3, 41B3869, 41B3869-3A
Belt Drive Trolley Kit
This is a Belt Drive Trolley Replacement Kit. For use with various LiftMaster and Chamberlain Belt Drive Garage Door Openers. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility.
⚠ WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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