DRIVE GEAR AND WORK KIT
041A2817 is a Drive Gear and Worm Replacement Kit. For use with most 1/2HP LiftMaster® and Chamberlain® Belt Drive and Chain Drive Garage Door Openers; manufactured after 1993 only. Complete kit includes: Helical gear, worm gear, grease, wear bushings, and hardware needed to replace the gears. Check the owner's manual or replacement parts diagram for specific part information before ordering to ensure compatibility.