41A5021 Chamberlain Belt Drive Complete Gear Kit

The 41A5021 is a complete belt drive gear and sprocket replacement kit. This gear and sprocket kit is used with various belt drive garage door openers. This complete gear kit includes these items; helical gear, worm gear, wear bushings, grease and hardware needed to replace the belt drive gears.

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Note: You must have a belt drive system like the one below for this gear kit to work.