Helical gear and top hat assembly worm gear wear bushings grease and hardware needed to replace the chain drive gears.
Garage door opener gear and sprocket assembly part 41c4220a.
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041c4220a is a complete chain drive gear and sprocket replacement kit.
41c4220a liftmaster gear and sprocket assembly.
It was a perfect replacement and the garage door is working.
The replacement 41c4220a chain drive gear and sprocket assembly is for liftmaster and raynor chain drive garage door openers manufactured after 1991.
This gear and sprocket assembly is compatible with various chain drive garage door openers.
This gear set worked great and replaced a broken one in my 2002 1 2 hp chamberlain liftmaster yesterday.
Check the manual or replacement parts diagram for specific part information before.
This gear and sprocket assembly is compatible with various chain drive garage door openers.
The gear assembly includes drive gear assembly worm gear wear bushings grease hardware and instructions for replacement.
The bag said it was an oem piece.
Assembly also fits chamberlain chain drive garage door opener models 1240r 1245r 1246r 1255r and 1256r.
Gear and sprocket assembly 41c4220a is an original equipment manufacturer oem part that fits most craftsman 139 series chain drive garage door openers manufactured after 1993.