Try these folks: http://www.halspartsandservice.com/ They have always been very helpful especially when no one local has a clue. They deal only in new and used Subaru parts and service.
its on the rear side window left hand side, imprinted in the glass
Subaru Forester was created in 1997.
Yes, you should replace the spark plugs in your Forester at the intervals recommended in your owner's manual.
Subaru Forester has a timing belt.
The 2005 Subaru Forester has 16 valves.
The 2009 Subaru Forester has 16 valves.
The 2008 Subaru Forester has 16 valves.
The 2001 Subaru Forester has 16 valves.
The 2004 Subaru Forester has 16 valves.
The 2006 Subaru Forester has 16 valves.
The 2011 Subaru Forester has 16 valves.
The 2002 Subaru Forester has 16 valves.