PREMIUM REPLACEMENT PARTWe strongly suggest comparing the posted picture to your faulty unit!COMPLETE REAR DIFFERENTIAL REBUILD KITFITS ONYAMAHA ATVGRIZZLY 660 YFM660F 4WD 2002-2004GRIZZLY 660 YFM660FA 4WD 2005-2006GRIZZLY 660 YFM660FG 4WD 2007-2008GRIZZLY 660 YFM660FH 4WD HUNTER EDITION 2002-2004GRIZZLY 660 YFM660FAH 4WD HUNTER EDITION 2005-2006GRIZZLY 660 YFM660FGH 4WD HUNTER EDITION 2007-2008GRIZZLY 660 YFM660FASE 4WD SPECIAL EDITION 2005-2006GRIZZLY 660 YFM660FLE 4WD LIMITED EDITION 2004GRIZZLY 660 YFM660FAHD 4WD DUCKS UNLIMITED EDITION 2006GRIZZLY 660 YFM660FAHW 4WD HUNTER WETLAND EDITION 2005GRIZZLY 660 YFM660FH 4WD WETLANDS HUNTER EDITION 2003-2004CONTAINS:DIFFERENTIAL GEARDIFFERENTIAL SHAFTDRIVE SHAFT BOSS4 BEARINGS & 3 SEALS KITDRIVE SHAFT COUPLINGNUTBUSHING3 SPACERS (WASHERS)3 O-RINGSFit Differential Part Number:5KM-46101-12-00 5KM-46101-11-00 5KM-46101-10-00