LiftMaster 41C4470 Gear And Sprocket Assembly For Chamberlain Garage Door Openers

Is your garage door opener making a horrible grinding noise?

Chances are the nylon gear inside has stripped.

This is the genuine LiftMaster 41C4470 gear and sprocket assembly.

It's a common repair part for many LiftMaster and Chamberlain residential openers.\n\nThis is a brand new assembly, still in its original packaging.

It fits models like the Liftmaster CSO, ATS211, and ATS211R, and is compatible with Chamberlain units too.

The part number 41C4470 is right on it.

It includes the gear and the sprocket assembly you need.

It comes with a 1-year manufacturer warranty.

Replacing this gear is a lot cheaper than buying a whole new opener.

Fix it yourself and save some cash.

Good to go!