Garage Door Sprocket Replacement

This diy repair guide explains how to replace the gear and sprocket assembly on a chain drive garage door opener.

Garage door sprocket replacement.

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. Chamberlain liftmaster sears gear and sprocket replacement step by step instructions for replacing the worn gear and sprocket on an opener. Ddm garage doors inc. Garage door replacement parts sprockets.

It was a perfect replacement and the garage door is working. This is a video on how to change the gear sprockets in a craftsman garage door opener. This was a craftsman model 139 53976srt. Garage door installation and replacement costs may vary according to style and size.

Helical gear and top hat assembly worm gear wear bushings grease and hardware needed to replace the chain drive gears. Located at the top of the motor unit the gear and sprocket assembly drives the chain that opens and closes the garage door. This gear set worked great and replaced a broken one in my 2002 1 2 hp chamberlain liftmaster yesterday. View as grid list.

We also have belt sprocket and cap kits for your model garage door opener. 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. Liftmaster 41c4220a gear and sprocket assembly. If the gear and sprocket assembly breaks the motor runs but the door won t move.

This home depot guide will explain the cost to install garage doors and openers or replace existing ones so you can decide which options are best for your budget. This gear and sprocket assembly is compatible with various chain drive garage door openers. 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.