Liftmaster 41c4220a Gear and Sprocket Kit for Chamberlain, Sears, Craftsman and LiftMaster 1/3 and 1/2 HP Chain Drive Models

Works perfectly and the install was easy too! Am very happy!

easy to replace. Good as new.

The part was delivered wi window of time frame. Part was as described.

This kit was needed to repair a garage door. As always, a great price purchasing through Amazon.

Works fine easy to install a little frustrating adjusting the door I would recommend going this way before buying a new opener.

As described. Worked perfectly.

Frickin awesome. Took 10 minutes. Better than new. Love it has all the extra gears just in case

Arrived on time and as advertised, All is well.

fast ad easy to use. I repaired two garage door openers with this

Worked great