Up for sale is a high quality (made in Taiwan)
Upper looper #121-76103
for Juki MO-3712, MO-3714-BE6-40H, MO-3714-BF6-40H, MO-3714-CE6-40H, MO-3714-CF6-40H, MO-3712-DF6-507, MO-3714-BE6-44H-G38-Q141, MO-3714-BE7-44H-G02-Q141, MO-3714-CE7-44H-G02-Q141, MO-3914-BE6-40H, etc.