wet exhaust mixer elbows

Mark Hayden

Both our Yanmar and Onan wet exhaust mixer elbows are near the end of their lives. The prices for the OEM parts seem a bit high, even as boat parts go. Apparently, the previous owner of our boat thought so, too, as the elbow on the Yanmar is not OEM.

I have two questions:

* Has anyone had experience getting these parts custom fabricated? Any advice on materials, design, etc?

* One fabricator I talked with suggested a ceramic coating to protect the steel from the exhaust gases and salt water. Has anyone tried this?

Thanks in advance!


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