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    LiftMaster 041B3869-3A Trolley Assembly

    SKU: 041B3869-3A

    LiftMaster's 41B3869-1 Belt Trolley Replacement Kit designed for various LiftMaster and Chamberlain Belt Drive Garage Door Openers. The trolley connects the garage door arm with the belt drive mechanism, and travels on the rail to open and close the door. This kit includes all trolley hardware needed for installation, and is also known as SKUs: 041B3869-3A, 41B3869‑3, 41B3869, and 41B3869‑3A. Check the owner's manual or replacement parts diagram for specific part information before ordering to ensure compatibility.

    Features:

    • LiftMaster 41B3869-1 Belt Trolley Replacement Kit

    • Attaches garage door arm with belt drive mechanism

    • Kit includes everything needed for belt trolley replacement

    • Alternate SKUs: 041B3869-3A, 41B3869‑3, 41B3869, and 41B3869‑3A

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