The 2005 Hyundai Santa-FE has double overhead cam (DOHC).
On the 2001-2006 Hyundai Santa Fe (4 cyl or V6), the fuel filter is a special "long life" type of filter located in the gas tank. It is better known as a "fuel screen", or "fuel strainer", that surrounds the fuel pump. The filter is generally only replaced if/when you're replacing the fuel pump.
The 2012 Hyundai Santa-FE has double overhead cam (DOHC).
The 2010 Hyundai Santa-FE has double overhead cam (DOHC).
The 2006 Hyundai Santa-FE has double overhead cam (DOHC).
The 2007 Hyundai Santa-FE has double overhead cam (DOHC).
The 2008 Hyundai Santa-FE has double overhead cam (DOHC).
The 2011 Hyundai Santa-FE has double overhead cam (DOHC).
The 2013 Hyundai Santa-FE has double overhead cam (DOHC).
The 2004 Hyundai Santa-FE has double overhead cam (DOHC).
The 2001 Hyundai Santa-FE has double overhead cam (DOHC).
The 2003 Hyundai Santa-FE has double overhead cam (DOHC).