A vehicle body assembly includes a frame having a forward frame part defining a passenger cabin and a rear frame part defining a load carrying bed. A separate rear fender is removably fastened to the rear frame part, wherein a gap is provided between the forward frame part and the rear fender. A separate rear fender fairing is mounted to an inside surface of the rear fender. The rear fender fairing includes a seal located in the gap and sealingly engaging both the forward frame part and the rear fender.