from a closed stihl dealer
some parts are 50 years old
some are packaged some are bulk
will show signs of sitting around
OEM Genuine parts
Many stihl parts look the same make sure you are ordering the correct part, 
no returns unless defective

Genuine OEM Stihl 4130-640-2200 DRIVE SHAFT for FS36 FE55 ~hbh

New genuine OEM Stihl DRIVE SHAFT.

Part number 4130-640-2200. 

Fits FS36, FE55, possibly others.  

Please use the part number to determine compatibility.