Skip to content


Worm Gear Retainer Kit


This part replaces the following legacy #'s : 41A4837-1

041A4837-1 is a worm gear and retainer replacement kit. This kit is for use with various LiftMaster® screw drive garage door openers. Complete package includes; (1) worm gear, (1) retainer, and (1) grease. Check the manual for your specific model number before ordering to ensure compatibility.


Genuine LiftMaster® replacement part.

Return Policy