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Old 02-07-2020, 04:54 PM   #1
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ss exhaust elbow source?

hi all,

this was discussed at length on yahoo forum but i've lost ability to get in. does anyone know the company who makes them?
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Old 02-07-2020, 05:08 PM   #2
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It would help to know the make and model of your engine. The manufacturer sometimes sells the part.

If it is for a Mainship Pilot 34 which it seems to be from your signature, 99% of those came with either the Yanmar 6LY 370 or twin Yanmar 4LH 240s. Yanmar sells both the elbow and the water injection elbow. You can also find them on eBay, Chinese made of course but some have said that they are just as good as the OEM part.


And what is wrong with yours? I used to own that exact boat with the Yanmar single and the exhaust sytem was way too low to the water line which can let sea water back up into the elbow and turbo and corrode both. If that is your problem, let's discuss as I implemented a solution on mine.


David
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Old 02-07-2020, 05:21 PM   #3
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Start here. They mainly do Cummins but have done others. https://www.sbmar.com/
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Old 02-07-2020, 05:24 PM   #4
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Marine Manifold . Long Island NY. 11735. They will make you anything you want. SS, copper, monel. Ask for Paul. Good people
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Old 02-07-2020, 05:50 PM   #5
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My boat came with a custom exhaust riser from these guys on the Cummins C 450 HP. Was very impressed with the quality of their fabrication, so I had them custom build one for my John Deere 4045TFM75. Couldn't be happier with the results!

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https://www.marine-exhaust.com/index...tion=home.main

Ted
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Old 02-07-2020, 06:59 PM   #6
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HDI Marine has investment cast 316 replacements for many engines and gensets. They are very reasonably priced and the quality is excellent.
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Old 02-08-2020, 02:20 PM   #7
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If you are looking for elbows for the 4LHA, here is an excellent source. I used them when I replaced mine with these two years ago, they fit perfectly and are outstanding quality. Highly recommend.


https://www.ebay.com/itm/Stainless-S...ZXWGpz&vxp=mtr
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Old 02-08-2020, 02:53 PM   #8
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^^ that is HDI marine that I referenced. If you go direct to their website, you'll save a couple of bucks - they up their ebay prices to cover the ridiculous ebay selling charges.
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Old 02-08-2020, 06:07 PM   #9
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Marine exhaust systems of Alabama. Their website is a bit clunky so you may want to give a call. Custom fabrication using very high quality SS if desired.

http://www.mesamarine.com/
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Old 02-09-2020, 08:03 AM   #10
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Quote:
Originally Posted by Arc View Post
Marine Manifold . Long Island NY. 11735. They will make you anything you want. SS, copper, monel. Ask for Paul. Good people
And here's a second on these guys. Very easy to work with. Send them your old one to use as a model.
Good luck.
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Old 02-09-2020, 08:34 AM   #11
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Originally Posted by jleonard View Post
And here's a second on these guys. Very easy to work with. Send them your old one to use as a model.
Good luck.
And here is a third for MMC and Paul - he had done a few boats for us over the years.
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Old 02-21-2020, 10:21 PM   #12
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Hi David,
I am dealing with the same problem my 2001. Mainship 30 Pilot.

Could you share your solution to water backing up to the turbo.

Thank you very much,

Rich Coppola
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Old 02-21-2020, 11:15 PM   #13
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There's a number of Yanmar & others exhaust elbow and other parts on eBay.
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Old 02-21-2020, 11:35 PM   #14
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Hi,

Thank you for your reply,

Rich
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