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LiftMaster Chain Drive Gear and Sprocket Set - Repair Your Garage Door
Use this Liftmaster 41C4220A chain drive gear and sprocket set to open and close your garage door smoothly. The kit includes everything you need to repair your garage opener. The kit also has a clear set of instructions with diagrams, which will make your job even more easier. This gear and sprocket assembly is compatible with various LiftMaster chain drive garage door openers manufactured after 1993.
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