Liftmaster Replacement Gear and Sprocket Kit

Direct Replacement for the Liftmaster Part # 41C4220A.

Also known as: 41A2827, 41C4220C or 41C4220.

This Chain Drive Gear & Sprocket Replacement Kit is used on various LiftMaster® and Chamberlain® Garage Door Openers with a chain drive. Used on openers manufactured after 1993. 

Complete kit includes the helical gear and top hat assembly, worm gear, wear bushings, grease, it includes all the hardware needed to replace the chain drive gears. 

The LMGK-41-C4220A is compatible with the following opener models: 

Model 8165- 1/2 HP AC Chain Drive Garage Door Opener 

Model 1345- 1/3 HP AC Chain Drive Garage Door Opener 

Model 8075- 1/2 HP AC Chain Drive Garage Door Opener 

Model 8365- 1/2 HP AC Chain Drive Garage Door Opener 

Model 3265- 1/2 HP AC Chain Drive Garage Door Opener 

Model 8365W-267- ½ HP AC Chain Drive Wi-Fi Garage Door Opener 

Model 8165W- ½ HP AC Chain Drive Wi-Fi Garage Door Opener 

Model 8065- 1/2 HP AC Chain Drive Garage Door Opener 

Model 8165W- ½ HP AC Chain Drive Wi-Fi Garage Door Opener 

Model 8365W-267- ½ HP AC Chain Drive Wi-Fi Garage Door Opener 

Model 8164W- ½ HP AC Chain Drive Wi-Fi Garage Door Opener 

Model 8164W- ½ HP AC Chain Drive Wi-Fi Garage Door Opener