This is for one new rear axle bearing carrier for a Yamaha ATV. This bearing carrier for the rear axle is designed to fit many Yamaha ATV applications. Please refer to the compatibility chart for a list of vehicles it will fit. *Fits the rear end axle Will replace Yamaha OEM: 5TG-25311-20-00, 5TG-25311-21-00 *Comes with new bearings, seals & spacer installed in the unit