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Security+ 315 MHz
☑ 14 Gauge
clear view of your driveway and beyond by positioning your keypad to see what is most important
It tackles the toughest challenges faced by garage doors
Belt Drive Trolley Kit (LiftMaster opener) bracket Security+ 315 MHzORIGINAL EQUIPMENT MANUFACTURER 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. Genuine LiftMaster replacement part. 041B3869 3A
