Thanks guys, I really appreciate it. It is probably a quarter of an inch thick. 4-5"across. I was skeptical of the heat exchanger cap just because that would mean for it to get out, it would have to find a decent size hole in the boat and that clearly didn't happen as it was floating.
I...
Hi everyone,
New to boating and found this floating under my boat after I put it on the lift. I have a 2005 Four Winns Funship 214 that has a Volvo Penta 5.7 on it.
Upon a lot of google searching I think it may be a heat exchanger cap? But is this for my boat? Or did it float over from...