Please verify this item fits before purchasing. All years and models are broken down in the product description. OEM Replacement differential bearings & seals 2 Year No Fault Warranty. This differential kit comes with an upgraded pinon bearing. This differential bearing & seal kit is compatible with the following Models:

2006 2X4 Yamaha 350 Bruin
2005 2X4 Yamaha 350 Bruin
2004 2X4 Yamaha 350 Bruin

2011 4x4 Yamaha 350 Grizzly
2010 4X4 Yamaha 350 Grizzly
2009 4X4 Yamaha 350 Grizzly
2008 4X4 Yamaha 350 Grizzly
2007 4X4 Yamaha 350 Grizzly

2006 4X4 Yamaha 400 Big Bear
2005 4X4 Yamaha 400 Big Bear
2004 4X4 Yamaha 400 Big Bear
2003 4X4 Yamaha 400 Big Bear
2002 4X4 Yamaha 400 Big Bear

2008 4X4 Yamaha 400 Grizzly
2007 4X4 Yamaha 400 Grizzly

2006 4X4 Yamaha 400 Kodiak
2005 4X4 Yamaha 400 Kodiak
2004 4X4 Yamaha 400 Kodiak
2003 4X4 Yamaha 400 Kodiak
2002 4X4 Yamaha 400 Kodiak
2001 4X4 Yamaha 400 Kodiak
2000 4X4 Yamaha 400 Kodiak

2010 4X4 Yamaha 450 Wolverine
2009 4X4 Yamaha 450 Wolverine
2008 4X4 Yamaha 450 Wolverine
2007 4X4 Yamaha 450 Wolverine
2006 4X4 Yamaha 450 Wolverine