Long story short, the previous owner had an oil pressure gauge on the car and therefor it had the oil gallery plug out and the sensor in.. Well this sensor is starting to seep a tiny bit. And I just want to take it off and put a plug in. The dealership tried to find it but couldn't. Anyone know the size of the plug or the part number off hand? I really want to get this thing leak free. Thanks. PS. Its located on the drivers side of the valve cover right under to the right of the breather hose that goes to the intake. Theres 2 on that side. The one closer to the turbo is the one I need. I think they are all the same on the head.