Abstract: A trailer hitch spring bar cover system for providing clean and safe storage of a trailer weight distribution system including spring bars and towing balls. The cover for a trailer weight distribution spring bar generally includes a first body and a second body movably connected to the first body. Each of the bodies have a first end, a second end, a perimeter edge, a cavity, and a cutout near an end of the body. The cover has an opened state adapted to receive or remove a greased portion of the spring bar. The cover also has a closed state to substantially enclose a greased portion of the spring bar.