Replace a broken gear and sprocket assembly with the manufacturer approved replacement part.
Garage door gear and sprocket assembly.
It fit perfectly and the garage door now works like it should.
It was a perfect replacement and the garage door is working.
At the end you need to adjust your door travel limits via the two screws on the side.
The bag said it was an oem piece.
The gear and shaft assembly exits the chassis through the top.
Replacement gear and sprocket assembly compatible with chamberlain estate series chain drive garage door openers.
Helical gear and top hat assembly worm gear wear bushings grease and hardware needed to replace the chain drive gears.
The replacement 41c4220a chain drive gear and sprocket assembly is for liftmaster and raynor chain drive garage door openers manufactured after 1991.
Includes all fasteners as pictured and insta.
The gear assembly includes drive gear assembly worm gear wear bushings grease hardware and instructions for replacement.
The kit was easy to locate on a parts list on your website.
It wasn t listed for the same model but after looking online it seems that most garage door openers made after 1984 use the same sprocket assembly.
The price was reasonable and it came quickly.
Compatible with chamberlain models pd752 pd758s pd752d pd758d all models may not be listed.
Located at the top of the motor unit the gear and sprocket assembly drives the chain that opens and closes the garage door.
Liftmaster chamberlain craftsman garage door opener comp gear kit for 41a5021.
This was a craftsman model 139 53976srt.
Of course i didn t so i had to drop the whole thing down onto a cardboard box i placed on the top of a step ladder.
Chamberlain 41a2817 garage door opener drive and worm gear kit genuine original equipment manufacturer oem part.
Chamberlain 41c4220a garage door opener gear and sprocket assembly genuine original equipment manufacturer oem part.
If the gear and sprocket assembly breaks the motor runs but the door won t move.
041c4220a is a complete chain drive gear and sprocket replacement kit.
I ordered 02 41c4220a gear amp.
This is a video on how to change the gear sprockets in a craftsman garage door opener.
If you have a lot of space above the unit no problem.
This gear set worked great and replaced a broken one in my 2002 1 2 hp chamberlain liftmaster yesterday.
This gear and sprocket assembly is compatible with various chain drive garage door openers.