Premium Quality Replacement PartCOOLING THERMOSTATFits Following Yamaha Models:GRIZZLY 660 YFM660 2002-2005GRIZZLY 660 YFM660 HUNTER EDITION 2002GRIZZLY 660 YFM660 METALLIC SILVER 2002GRIZZLY 660 4X4 METALLIC TITANIUM YFM660 2003GRIZZLY 660 YFM660F REAL-TREE HARDWOOD HUNTER 2003GRIZZLY 660 YFM660 WETLANDS HUNTER EDITION 2003GRIZZLY 660 YFM660 AUTO 4X4 WETLAND 2004GRIZZLY 660 YFM660 HARDWOODS HUNTER CAMO 200GRIZZLY 660 YFM66F SE 2005GRIZZLY 660 YFM66F HUNTER 2005GRIZZLY 660 YFM66F HUNTER WETLAND 2005GRIZZLY 660 YFM66F SPECIAL EDITION 2006GRIZZLY 660 YFM66F HUNTER HARDWOODS 2006GRIZZLY 660 YFM66F DUCKS UNLIMITED EDITION 2006GRIZZLY 660 YFM66F HUNTER HARDWOODS HD CAMO 2006GRIZZLY 660 YFM660 2007-2008GRIZZLY 660 YFM66F HUNTER 2007-2008Part Number:5KM-12411-00-005KM-12411-01-00Order Includes:1x Cooling Thermostat