LiftMaster 041D8921 Wire Harness All Security Equipment Compatible with various LiftMaster® Barrier

Compatible with various LiftMaster® Barrier Gate Operators

Converts MX4387 from 3 pole to 4 pole switch

* Maximum single leaf gate length is 40 ft (12 m)

Elevate the convenience and security of your access control system with the LiftMaster Universal Keyless Entry 387LM

LiftMaster Cam Arm | LIF-MA012

LiftMaster 041D8921 Wire Harness All Security Equipment Compatible with various LiftMaster® BarrierLiftMaster 041D8921 Wire Harness The LiftMaster 041D8921 is a Wire Harness Replacement Kit. For use with various Chamberlain Garage Door Openers; manufactured after 2017 that feature a dual light system. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility.