I have the same problem with my windshield on my 37. I can't remember where I bought my rubber seal but it does not cover up the recessed area below the windshield all the way across the bottom either. I believe I have the correct 37 frame (at least I hope so, since I've had it chromed and new tinted glass made) I have owned this truck since around 1987 and that was the frame that came with it. It was bone stock when I bought it in Phoenix for $500.00. I'll be watching for an answer to our problem