This product is known to fit:
2005 HONDA TRX400EX Sportrax 400EX
2006 HONDA TRX400EX Sportrax 400EX
2007 HONDA TRX400EX Sportrax 400EX
2008 HONDA TRX400EX Sportrax 400EX
2009 HONDA TRX400EX Sportrax 400EX
2012 HONDA TRX400EX Sportrax 400EX
2013 HONDA TRX400EX Sportrax 400EX
2014 HONDA TRX400EX Sportrax 400EX