The LiftMaster 41AC050-1M 315MHz logic board from Garage Door Supply Company is a replacement part for LiftMaster AC chain drive garage door openers made between 2005 and 2007. This LiftMaster/Chamberlain /41AC050-1M circuit board is compatible with LiftMaster garage door operator models 3245 and 3255. It's compatible with these remote models: 371LM, 372LM, 373LM, 374LM, 370LM, 377LM, and 373P. This 041AC050-1M LiftMaster Security+ receiver logic board includes end panel and chain.
- For 2005-2007 model LiftMaster chain drive garage door openers
- Compatible with LiftMaster models 3245, 3255
- Compatible with remote models 371LM, 372LM, 373LM, 374LM, 370LM, 377LM, and 373P
- Includes end panel, chain