It's on the front corner of the engine, on the driver's side. There's a small tab extending forward and it's stamped on there. You can see it if you put your head down around the top corner of the battery and look in on an angle.
The 2007 Honda Odyssey has a V6 engine.
The 2013 Honda Odyssey has a V6 engine.
The 2012 Honda Odyssey has a V6 engine.
The 2008 Honda Odyssey has a V6 engine.
The 2011 Honda Odyssey has a V6 engine.
The 2010 Honda Odyssey has a V6 engine.
The 2009 Honda Odyssey has a V6 engine.
The 2003 Honda Odyssey has a V6 engine.
The 2005 Honda Odyssey has a V6 engine.
The 2004 Honda Odyssey has a V6 engine.
The 2001 Honda Odyssey has a V6 engine.
The 2002 Honda Odyssey has a V6 engine.