Garage Door Sprocket Replacement

This is a video on how to change the gear sprockets in a craftsman garage door opener.

Garage door sprocket replacement.

This gear and sprocket assembly is compatible with various chain drive garage door openers. Located at the top of the motor unit the gear and sprocket assembly drives the chain that opens and closes the garage door. 041c4220a is a complete chain drive gear and sprocket replacement kit. Replacing gear and sprocket assemblies is easy when you re using a complete kit that includes a replacement main drive gear worm gear bearings all bushings washers spacers and lubricant.

Amazon s choice for craftsman garage door sprocket replacement for liftmaster 41c4220a gear and sprocket kit fits chamberlain sears craftsman 1 3 and 1 2 hp chain drive models 4 8 out of 5 stars 1 216. Chamberlain liftmaster sears gear and sprocket replacement step by step instructions for replacing the worn gear and sprocket on an opener. Garage door installation and replacement costs may vary according to style and size. 20 item s show liftmaster garage door openers 41c4220a gear and sprocket assembly.

If the gear and sprocket assembly breaks the motor runs but the door won t move. This gear set worked great and replaced a broken one in my 2002 1 2 hp chamberlain liftmaster yesterday. This was a craftsman model 139 53976srt. Liftmaster 41c4220a gear and sprocket assembly.

We also have belt sprocket and cap kits for your model garage door opener. Ddm garage doors inc. 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 bag said it was an oem piece.

Helical gear and top hat assembly worm gear wear bushings grease and hardware needed to replace the chain drive gears. It was a perfect replacement and the garage door is working. View as grid list.