THIS IS FOR 1 GLOW PLUG FOR 2005-2006 MERCEDES BENZ E320 CDI WITH THE OM648 DIESEL ENGINE.  THIS IS THE CORRECT 5 VOLT PLUG FOR AMERICAN CDI E320 CARS.  IT'S VERY HARD TO FIND THE CORRECT 5 VOLT GLOW PLUGS.  IF YOU HAVE AN AMERICAN VERSION 05-06 E320 BENZ CDI THEN THIS IS THE CORRECT GLOWPLUG YOU NEED.  ALL AMERICAN CDI'S USE 5 VOLT GLOW PLUGS, NOT THE COMMON 12 VOLT PLUGS MOST OTHER DIESELS USE. 

I BOUGHT THESE FOR MY E320 CDI AND NEVER USED THEM,SO WHEN THEY ARE GONE THEY ARE GONE,TRY FINDING THESE BECUASE THEY ARE ON BACK ORDER EVERYWHERE.

BRAND NEW IN THE BOX.