The Chamberlain® Part 041A5585-1 is a gear and sprocket replacement kit that is used with chain drive garage door openers. This complete gear kit includes these items; helical gear, worm gear, wear bushings, grease, and hardware needed to replace the chain drive gears.
* 041A5585-1 or 41A5585-1 are a direct replacement parts and must match to your owners manual to be compatible with your opener.
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