This is one of the most popular reciprocators used in multi-needle embroidery machines. This is the complete reciprocator assembly including the insert. The insert only is available here: http://ethepony.ecrater.com/p/21584173/
Manufacturer Part Numbers for the Assembly:
Manufacturer Part Numbers for the insert:
7550001, 141300301, 80210270534, 080210270S20, 080210270S23, 080210270S35, 080210270S49, CX0505010000, CX0505020000, EX7550001, FX0515000000, FX0515010000, FX051502S000, S58363001, XC5618001, XE7550001
This component can be fitted on the following machines according to the documentation available. However, manufacturers often change components on the same model number across serial numbers. Please compare the images to the reciprocator on your machine to make sure it matches. The jump bar (the long post on the side) is 2 inches long.