The present invention is directed to a replacement steering assembly for a rear steer vehicle and requires no cutting/removal of suspension components or drilling holes or welding of vehicle frame rails. The replacement steering assembly includes a cradle for support a replacement steering system. The cradle includes spaced apart first and second side plates and a center support extending therebetween. A mounting portion of the first side plate includes mounting holes to affix the plate to the left side frame rail and a mounting portion of the second side plate includes mounting holes to affix the plate to the right side frame rail. The first and second side plate mounting holes are configured to align with existing mounting holes in the frame rails which were provided to mount original vehicle steering assembly. The center support is offset vertically downwardly and positioned forwardly of the side plate mounting portions.