RV Parts Nation provides you with the best and largest selection of parts to protect one of your most valuable investments from the elements. Winterization is a must-do for everybody living in cold weather conditions. Preparing your RV for the long winter season means making sure that every facet of your vehicle and/or trailer is protected from the blistering weather, especially during storage. Winterizing your vehicle is aimed at preventing the potential hazards that stem from being exposed to freezing temperatures. Pipe explosions, cracked plumbing and flooding are some of the most common problems RV owners suffer during the winter months, with the constant expansion and contraction of the water.