Circuit Boards

Circuit Boards

The LiftMaster 8557W garage door openers use a 3/4 HP motor with a full belt rail assembly. This model has two lights and wifi. Use our parts diagram for reference with all available parts listed below. 

The LiftMaster 8557W garage door openers use a 3/4 HP motor with a full belt rail assembly. This model has two lights and wifi. Use our parts diagram for reference with all available parts listed below. 

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  1. LiftMaster 050ACTBMC Circuit Board Garage Door Opener, AC, MyQ, Wifi, Security+ 2.0LiftMaster 050ACTBMC Circuit Board Garage Door Opener, AC, MyQ, Wifi, Security+ 2.0
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    LiftMaster 050ACTBMC Circuit Board Garage Door Opener, AC, MyQ, Wifi, Security+ 2.0
    SKU: 050ACTBMC
    Rating:
    100%
    $119.51
    Compatible with LiftMaster models 8365W-267, 8355W,…
  2. LiftMaster 041D7742-5 Travel Module, 3/4 HPLiftMaster 041D7742-5 Travel Module, 3/4 HP
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    LiftMaster 041D7742-5 Travel Module, 3/4 HP
    SKU: 041D7742-5
    $26.82
    Compatible with Chamberlain and LiftMaster garage door…
  3. LiftMaster 041A7767 MotorLiftMaster 041A7767 Motor
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    LiftMaster 041A7767 Motor
    SKU: 041A7767
    $321.93
    LiftMaster 041A7767 Motor Replaces part number:…
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