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Old 07-11-2012, 20:16   #1
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Yanmar 3GM30 Exhaust Manifold

Help!

Just spent 2 weeks in a nasty dusty boat yard in Mexico with a 2 year old on board... sanding and painting my bottom when I went to do a pre-splash inspection of my engine and put a finger through a rusted hole in my exhaust manifold cover... yes a finger!

I did do a de-salt flush and drain the manifold of water before leaving it for 3 months on the hard this summer... but here we go.

I also removed the complete manifold and put a hole in the cast separator between the exhaust and water side with a quick swipe of a wire brush.

My question is... what is a reasonably priced online place in the US to order these two parts to be sent to Tucson, AZ for a mate to pick up for me next week and bring back to Mexico?

A Google search just brings up a lot of Cruiser's Forum and SailNet conversations and a few places to buy in the UK... surely I can buy these parts in the US and have them sent to AZ?

All help appreciated!
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Old 07-11-2012, 20:31   #2
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Torresen Marine. 213-759-8596

www.torresen.com

They have everything you need
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Old 07-11-2012, 20:33   #3
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Re: Yanmar 3GM30 Exhaust Manifold

They don't sell Yanmar parts to Arizona... North East coast and some of the Caribbean only
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Old 07-11-2012, 20:35   #4
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Re: Yanmar 3GM30 Exhaust Manifold

I think Yanmar dealers are territory restricted. You may have to find the dealer that serves the AZ area and buy from them. Kind of sucks don't it?

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Old 07-11-2012, 20:50   #5
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It's an outdated distribution model, but it is how we get parts for our Yanmar engines
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Old 08-11-2012, 07:46   #6
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Re: Yanmar 3GM30 Exhaust Manifold

OK... been doing some more research into the manifold. It seems like many folks have just welded patches over holes in the cover. This makes sense considering that I am not anywhere near an actual dealer and the water is very low pressure by the time it's hitting the manifold... a good band-aid solution that could last until I get home.

BUT, there is also a small hole between the exhaust 'tube' (facing the case) and the water cavity (facing the outside) in the manifold itself. Would the exhaust pressure be too great and stop the water from flowing into the mixing elbow if I didn't fix this hole? (I'm planning to fix/replace it, I am just trying to understand what's going on here).

Cheers.
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