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LiftMaster 041A3504 Antenna Extender Kit
Overhead Door Legacy 650 Model 1029 Belt or Chain Drive
and screws to install it
Fast and Simple Installation
LiftMaster K74-19987 Interlock Switch Kit LiftMaster 041A3504 Antenna Extender KitThis is a replacement Interlock Switch Kit. For use with various LiftMaster Commercial Door Operators. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part.
