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This is a T-Rail Trolley Replacement Kit
Easily syncs to your existing opener’s frequency
(2) wingnuts
Wireless Design
Carriage assembly for the chain drive T-Rail Overhead Door Legacy and Passport openers and the Genie chain drive openers
Limit Switch Kit (LiftMaster opener) 041D3452 garage door This is a T-Rail TrolleyORIGINAL EQUIPMENT MANUFACTURER This is a Limit Switch Replacement Kit. For use with various LiftMaster and Chamberlain Belt Drive and Chain Drive Garage Door Openers; manufactured after 1995. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part.
