Original Chamberlain OEM circuit board, part number 41AC050-1M. The board was tested prior to removal and operates as it should. This is a good replacement option if your opener has power or logic issues. Details: • Brand: Chamberlain (OEM) • Part Number: 41AC050-1M • Type: Logic / control circuit board • Condition: Used, tested, working Compatibility: Fits select Chamberlain, LiftMaster, and Craftsman garage door openers. Please verify compatibility by part number before purchasing. What’s Included: • Circuit board only
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