Heat exchanger cap & zinc... which ones?

The Continuum

New Member
Jul 14, 2009
87
Tacoma, WA
Boat Info
1997 290 Sundancer (SDA)
Engines
Twin Mercruiser 5.7L EFI w/ Alpha Ones
So far, the folks on this forum have been tremendously helpful, so I have another question for the gurus…

I need a new heat exchanger pressure cap and heat exchanger zinc for my 1997 5.7L EFI. How can I figure out which ones to order?

I’ve looked at the parts websites, looked in my Seloc book, and searched this forum, but I can’t tell which cap and which zinc goes with my set-up.

Any thoughts on where I can go for the answer?

-Seth
 

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