Located at the top of the motor unit the gear and sprocket assembly drives the chain that opens and closes the garage door.
Garage door opener sprocket replacement.
This was a craftsman model 139 53976srt.
This is a video on how to change the gear sprockets in a craftsman garage door opener.
Use our garage door opener gear and sprocket kits from garage door supply company for diy repairs of your residential craftsman chamberlain and liftmaster garage door openers.
If the gear and sprocket assembly breaks the motor runs but the door won t move.
If you replace the sprocket assembly in your chain drive garage door opener yourself you may be able to save a lot of money.
High quality rigorously tested and durable only chamberlain genuine parts are recommended for repairing your garage door opener.
Our customers say very fast shipping.
Step 1 turn off the power.
Disconnect the power cord from your door opener before doing any kind of repair.
This diy repair guide explains how to replace the gear and sprocket assembly on a chain drive garage door opener.
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.
Need help locating replacement parts and accessories for your model.
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.
Garage door installation and replacement costs may vary according to style and size.
Five days sooner than estimated.
Enjoy the lowest prices on gear and sprocket kits with smaller cogs for newer models.
We have gear and sprocket kits for chain drive and belt drive garage door openers.
Download our chamberlain liftmaster replacement products guide.