OM 647 2.7L 5 Cyl engine 2004-2006
OM 642 3.0L V6 engine 2007-2009
This part is aka the MAF Sensor, Air Mass Sensor, Air Mass Meter, etc.
Not for 2010 and later BlueTec engines.
The 2010 and later MAF sensor can be seen below.
Sprinter 2004-2006 2.7L diesel
Sprinter II 2007-2009 3.0L diesel
This is a an original Bosch part, and is the exact same part as sold at a franchise Dodge or Freightliner dealer.
It is NOT the cheap Chinese
knock-off that you see on eBay, which often doesn't work or fails after a few weeks.