Hello. The original cartridge is a MAG-44 and the stylus is a 3D-44M, though I would recommend that you replace the original cartridge with something better.
You can get an aftermarket replacement stylus at Garage 'A Records: http://www.garage-a-records.com/proddetail.php?prod=712d7&cat=41&PHPSESSID=0cdda1a0130aa2c93f081bc762176d7f
You can get an aftermarket replacement stylus at Garage 'A Records: http://www.garage-a-records.com/proddetail.php?prod=712d7&cat=41&PHPSESSID=0cdda1a0130aa2c93f081bc762176d7f