An arched fender extension portion is attached along an edge of anexisting fender of an agricultural vehicle with a common curvature and lyingin acommon plane by a pair of brackets mounted on the existing fender atlongitudinallyspaced fastening arrangements thereof. The extension portion incudes two boltconnectors arranged to pull the flat edge of the extension portion intobuttingengagement with the outer side edge of the existing fender inwardly of an edgeflange portion of the existing fender.
