LiftMaster 041A3489 Garage Door Opener Carriage Trolley Assembly

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The 041A3489 from Action Industries is a replacement garage door trolley kit used on LiftMaster chain drive opener assemblies. The trolley connects the door arm to the chain drive mechanism so it can be opened and closed. This kit includes everything needed for installation and repair of a LiftMaster trolley, including: Trolley, roller chain, mounting hardware. Check the manual for your specific model number before ordering to ensure compatibility.


  • LiftMaster 041A3489 Replacement T-Rail Trolley Kit

  • Includes everything needed for installation

  • Connects door arm to chain drive mechanism

  • Also known as: 1B1435, 41B3215, 41B2617, 65411, 1A955, 41A3489, 4A1020, 062245, 1B3869, 4A1051, 41B2771

  • Compatible with the following LiftMaster chain drive operators: 8360WLB, ATSW, 8580WLB, 8160WB, 84602, 8360WLB, 8365, 8160, 8160W, 8360W, 8160W, 84602, 8165, 8365W-267, 8075, 8065, 8164W, 1346, 1345, 8165W, 8164W, 3265, 8580WLB, 8580WLB