This axle & wheel bearing kit works on the following models
2004 4x4 Yamaha 660 Rhino
2005 4X4 Yamaha 660 Rhino
2006 4X4 Yamaha 450 RHINO
2006 4X4 Yamaha 660 RHINO
2007 4X4 Yamaha 450 RHINO
2007 4X4 Yamaha 660 RHINO
2008 4X4 Yamaha 450 RHINO
2009 4X4 Yamaha 450 RHINO