This tensioner should be up near your garage door.
Liftmaster garage door opener broken sprocket and gear assembly.
11 carefully put the chain over the new sprocket gear.
Keep your garage door opener up and running using garage door opener gear kits from liftmaster.
All of our garage door opener gear kits include helical gear and top hat assembly worm gear wear bushings grease and hardware needed to replace the dual speed sprocket and gears.
This gear and sprocket assembly is compatible with various chain drive garage door openers.
I noticed the opener straining a bit and it took me a short amount of time to see the problem.
Helical gear and top hat assembly worm gear wear bushings grease and hardware needed to replace the chain drive gears.
Only 1 left in stock order soon.
041c4220a is a complete chain drive gear and sprocket replacement kit.