Headlight Voltage Regulator Rectifier For Ski-Doo/Lynx 380 440 500 550 MX Z Summit Enduro Safari ST 2002-2006 OEM Repl.# 420888617 515175655 Brand new headlight voltage regulator rectifier Direct replacement to your original unit. Plug-and-play, direct fit, easy installation. The Quality exceeds the OEM equipment All products shipped are tested One year limited warranty