Assembly also fits chamberlain chain drive garage door opener models 1240r 1245r 1246r 1255r and 1256r.
Garage door opener gear and sprocket assembly part 41c4220a.
Helical gear and top hat assembly worm gear wear bushings grease and hardware needed to replace the chain drive gears.
The liftmaster 41c4220a gear and sprocket assembly is the perfect solution for replacing worn parts in your garage door opener s drive system.
This affordable gear and sprocket assembly kit is a genuine liftmaster replacement part and is compatible with most chain drive openers that were manufactured after 1984.
Check the manual or replacement parts diagram for specific part information before.
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.
Chamberlain 41c4220a garage door opener gear and sprocket assembly genuine original equipment manufacturer oem part.
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.
Assembly also fits chamberlain chain drive garage door opener models 1240r 1245r 1246r 1255r and 1256r.
This gear and sprocket assembly is compatible with various chain drive garage door openers.
The first thing i found is do not tie the lift gate make a few open close with remote and do some preliminary adjustments and then attach lift gate for final.