The LiftMaster 45ACT/41D7675 logic board from Garage Door Supply Company is for use with selected Security+2.0 AC MyQ garage door openers by LiftMaster and Chamberlain. The 45ACT/41D7675 circuit board by LiftMaster is compatible only with LiftMaster model 8355 garage door openers and Chamberlain model HD420EV and W832KEV garage door operators. When ordering, keep in mind that the 45ACT and 41D7675 logic boards are identical, so you might receive either one. This part replaces the following legacy part numbers: 41D7675, 041D7675, 001D7675, 1D7675, 45ACCR, 45ACBR, 45ACCL, 45ACBL, and 41D7656.
Same As Part Number 41D7675
