LiftMaster 045ACTMC Receiver Logic Circuit Board Kit allows opener to fully

Kit allows opener to fully open garage doors up to 8ft

Security+® rolling code technology that sends a brand new code every time it is used

The coupler assembly connects the garage door opener motor to the screw drive rail assembly

Original Genie Replacement Part

LiftMaster 045ACTMC Receiver Logic Circuit Board Kit allows opener to fullyThe LiftMaster 045ACTMC circuit board is compatible with LiftMaster 8355 Belt Drive Opener LiftMaster 8557 Belt Drive Opener LiftMaster 8587 Chain Drive Opener 045ACTMC is a 315MHz Security+ 2. 0 Receiver Logic Board Replacement Kit. For use with various LiftMaster and Chamberlain AC Chain Drive and Belt Drive Garage Door Openers; manufactured after 2011 only. The unit will feature a yellow learn button. Check the owner's manual or replacement parts