Complete kit includes:
Helical gear and top hat assembly, worm gear, wear bushings, grease, and hardware needed to replace the chain drive gears.
Our Chain Drive Gear and Sprocket Kit is a complete chain drive gear and sprocket replacement kit. This gear and sprocket assembly is compatible with various chain drive garage door openers; manufactured after 1993.
Replacement parts for chamberlain, sears, craftsman and lift master 1/3 and 1/2 HP chain drive models.
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