This impeller works on the following models:

2003 800 SX-R

2004 800 SX-R

2005 800 SX-R

2006 800 SX-R

2007 800 SX-R

2008 800 SX-R

2009 800 SX-R

2010 800 SX-R

2011 800 SX-R