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I own and operate Silver Cove Marine, which is an inboard boat restoration, service, and sales facility located in Mooresville, North Carolina. We specializes in Nautiques and Correct Crafts, and also provide general service for Nautiques fifteen years old and older.
If we can be of service to you, please contact us anytime!
Thanks Jeff. My heat exchanger has a standard end cap on one side, but it has an end cap with a hose attachment on the other side. I can't find a parts manual that reflects this. Nautique parts is calling PCM.
Following up on this. It took a few weeks, but Nautique Parts was able to get me all but one part I needed. Best I can tell PCM started using 5” heat exchangers on the ZR409 sometime around end of 2010, beginning of 2011. Then they switched back to the 4” for 2012. The 5” requires 5” gaskets for the end caps. One end of the heat exchanger has a standard o-ring for the bolt that holds the end cap on. The other side takes a thicker o-ring that is flat on both sides. Nautique parts sent me the 5” gaskets and the standard o-ring. They couldn't find the thicker flatter o-ring. No part numbers exist for either of the o-rings. The five inch heat exchangers have the thermostat mounted directly to the heat exchanger.
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