On most starters & alternators applications you can chose between new original, new aftermarket or remanufactured. You can identify the products codes with the following markers (STR-8414 is used for example purpose only):
STR-8414 = Aftermarket (1 year warranty)
STR-8414-RCD = Remanufactured (1 year warranty)
STR-8414-OE = New genuine (2 year warranty)