LiftMaster Chamberlain 41AC050-1M Garage Door Opener Circuit Board

LiftMaster Chamberlain 41AC050-1M Garage Door Opener Circuit Board
Item# 41AC050-1
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Availability: Usually ships the next business day
This replacement circuit board, part number 41AC050-1M, fits several LiftMaster Chamberlain garage door openers and is identical to earlier circuit boards with the 41AC050-1 part number. The final letter designates a model year change, so as long as the rest of the part numbers are the same, the circuit boards are interchangeable.

A bad circuit board is a common cause of problems with garage door openers, and replacing a faulty board with a new one from North Shore Commercial Door is a quicker and less expensive fix that replacing the entire unit.

This replacement circuit board fits the following LiftMaster Chamberlain models:






North Shore Commercial Door is a family-owned company with more than 35 years of experience providing garage door openers and parts for residential and commercial use. We have the expertise to help you find the parts you need. You can search by part number, using our search form, or consult our Chamberlain LiftMaster Garage Door Opener Circuit Board Compatibility Chart for a list of replacement parts compatible with your model of garage door opener. Another option is to post your questions using our Comments/Questions section. You’ll and get advice and answers from our experienced staff and from our customers, many of whom are professional installers.

North Shore Commercial Door recommends protecting your new replacement circuit board from damage caused by electrical surges by simultaneously installing a LiftMaster 990LM Garage Door Opener Surge Protector. We make it easy by offering a special combo price when you order both the replacement circuit board and the surge protector together.

The 41AC050-1M replaces the old part number 41AC050-4M

Comments / Questions

COMMENT: The one I have is not working properly, so need a replacement. by Stephen C 5/12/2016
COMMENT: garadge door keeps opening at random times. by Michael Y 5/1/2016
QUESTION: Is the AC 0501M a rolling code opener? by None N 4/18/2016
ANSWER: Yes, the AC0501M is a rolling code opener. It is Security+ rated. Most all openers built after 1993 are rolling code openers. The latest are Security+2.0 that also allow opperation from your smart phone. by Richard D a
ANSWER: I believe it is. by Gerald P a
QUESTION: Door doesn't close all the way comes back up before touching the sensor light is yellow what should I do? by None N 11/14/2015
ANSWER: Made sure that the sensor lights are in alinement. by Jack C a
QUESTION: Is this the correct board for a 41ac050-1 Lift Master 1/3 hp? by Debbie W 11/11/2015
STAFF ANSWER: Yes this will work if that was your past model number. by Taylor M a
ANSWER: I am sorry but I cannot help you. The garage door you are referring to is in another state so I cannot even go look at it. I wish you luck. by Maggie F a
STAFF ANSWER: please order the 371LM by Matthew O a
ANSWER: Yes, you can purchase a LiftMaster Chamberlain remote contol that will work with this unit. Some universal remotes will also work. Check the specs for which models are compatable. by Mark H a