I have a 1990 sprite major xl. the hinge on the front gas bottle locker has split right across. this forms the waterproof seal also.i dont know if this is the original hinge (this being 4ft long and aflexible type of plastic pop riveted to the van body and locker door)can anyone help me locate one or suggest an alternative to repair it .hope someone can help as this is spoiling the look of my pride and joy