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Yamaha 400/450 Differential Bearing and Seal Kits

EPI Performance Yamaha 400/450 Differential Bearing and Seal Kits provide everything needed to restore smooth differential operation. Built with durable replacement bearings and seals, these kits help improve reliability and extend differential service life.

Model

Front Seal Kit

Front Bearing & Seal Kit

400 Big Bear IRS 2007-12 WE290100 WE290138
450 Grizzly EPS 2011-14 WE290100 WE290138
450 Grizzly IRS 2007-14 WE290100 WE290138
450 Kodiak 2003-06 WE290100 -
450 Kodiak EPS 2021-23 WE290100 WE290138
450 Kodiak SE EPS 2021-23 WE290100 WE290138