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GEAR AND SPROCKET KIT, 3/4HP
041A5585 is a Gear and Sprocket Replacement Kit. For use with various LiftMaster® and Chamberlain® 3/4HP Chain Drive Garage Door Openers. Complete kit includes: Helical gear and top hat assembly, worm gear, and grease. Check the owner's manual or replacement parts diagram for specific part information before ordering to ensure compatibility.