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This part replaces the following legacy #'s : 062245, 65411, 1A955, 1B1435, 1B3869, 041B2617, 041B2771, 041B3215, 4A1020, 4A1051
041A3489 is a replacement trolley assembly kit that is for use with various LiftMaster® chain drive garage door openers. The trolley is used for travel on garage door opener t-rail and connects the door arm to the chain drive mechanism. Check the manual for your specific model number before ordering to ensure compatibility.
Genuine LiftMaster® replacement part.