Hello everyone. I have a 1985 Hunter 31, which has Sophus Berendsen Fills for the Diesel and Fresh Water. Recently the fill plug for the Diesel has become damaged and in need of replacement. The problem that I am running into is that these plugs don't have a standard thread so the "standard" replacement plugs won't work for me. They are more of a "quick lock" type (think like pill bottle), and use a winch handle to open/close them. I REALLY don't want to have to replace the whole fill assembly if at all possible. The Fresh Water Fill is the same setup. The plug on it is also slighty damaged and if I can find the repair/replacement parts, I plan on replacing that one too. Any thoughts on where I might be able to locate these parts would be greatly appreciated. Thanks in advance. Bruce Broseker s/v Marabell