The LiftMaster gear and sprocket assembly part 41A5658 is the most common part to wear out in a garage door opener. This is the genuine replacement made by LiftMaster and includes everything needed for quick installation. The 41A5658 gear and sprocket assembly includes the drive gear(41A2817), worm gear, helical gear(41A2818), retainers, washers, pins, bearing plate, grease and instructions.
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Compatible with LiftMaster 2595, 3595 and 3595S models