MINSTAR Wheel Bearing Improved Seal For Dirt, Mud, Sand, And Water Protection. Ideal For Larger Tires, Heavier Payloads, And Rough Terrain.Longer Lifespan For Less Service Interruptions. Wheel Bearing Replace NO.91051-HC5-003 , 91051-HC5-004 , 0402-003. Dust Seal Replace NO.91209-HN5-671,91256-HC5-003 Wheel Bearing Size : 30X50X20 MM Dust Seal Size : 40X58X9 MM Oil Seal Size : 38X50X7 MM Package Include : 8 PCS(2 PCS Wheel Bearing,2 PCS Circlip,2 PCS Dust Seal,2PCS Oil Seal) Compatible With Honda: TRX350FM FourTrax Rancher 4x4 : 2000-2006 TRX350FE FourTrax Rancher 4x4 ES : 2000-2006 TRX400FA FourTrax Rancher AT : 2004-2007 TRX400FGA FourTrax Rancher AT GPScape : 2004-2007 TRX300FW FourTrax 4x4 : 1988-2000 B091KKDT8Q For Trx420 For TRX300,The Oil Seal 38X50X7 Can Fit.Dust Seal 40X58X9 is a Little Higher,For TRX300 is 40X58X7.Bearing Can fits No Problem. Please Use Amazon's Part Finder Function To Confirm If This Wheel Bearing Will Fit Your Vehicle Before Purchase!