Squeaking or rumbling in your Rear? You should get that checked out. First place To look would be your Rear Wheel Bearings. This will fit both RH And LH Sides. The dowel pin just needs To be swapped To fit the left hAnd Side. Your existing hub will need To be pressed out of the old Bearing And inTo this new one. Or a new hub can be purchased here. We also recommend replacing the hub Seal as well.