Circuit Boards

Circuit Boards

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

Circuit Boards

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

Shop By
Shopping Options
View as Grid List

3 Items

Set Ascending Direction
  1. LiftMaster 045ACT Circuit Board Garage Door Opener, AC, MyQ, Security+ 2.0LiftMaster 045ACT Circuit Board Garage Door Opener, AC, MyQ, Security+ 2.0
    Quick Shop
    LiftMaster 045ACT Circuit Board Garage Door Opener, AC, MyQ, Security+ 2.0
    SKU: 045ACT
    Rating:
    100%
    $114.95
    Compatible with Chamberlain models: HD210, HD210C, PD510,…
  2. LiftMaster 041D7742-5 Travel Module, 3/4 HPLiftMaster 041D7742-5 Travel Module, 3/4 HP
    Quick Shop
    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
    Quick Shop
    LiftMaster 041A7767 Motor
    SKU: 041A7767
    $321.93
    LiftMaster 041A7767 Motor Replaces part number:…
View as Grid List

3 Items

per page