Gear-As included in the Liftmaster part number 41A2817 and 41C4220C.Works
with any Sears Craftsman, Chamberlain, or Liftmaster chain or belt drive
electric openers (1984 - present).
If you don't need the sprocket or worm gear kit, this gear and grease is an
economical alternative.
See additional pictures of gears, if your gear looks like the old gear, you
probably need a new one. If you hear your opener running but is not opening your
door, your gear may need to be replaced.
Important note: Each tooth on new gear must be coated with low temp
lithium grease prior to installation. Otherwise, gear will shred quickly, within
days.
