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Old 19-10-2020, 18:19   #1
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Perkins 4.236 Exhaust Elbow.

Good evening,

I am pretty new to marine diesels, I've just bought a boat on the hard I am working on getting a Perkins 4.236 up and running.

Someone removed the Exhaust Outlet Elbow while she was sitting idle. I need a second opinion on this part before I purchased a new one.

Below are a few pictures and the link to the part I am going to order to replace it. Am I getting the right part? And is there a better option?

https://www.parts4engines.com/perkin...xhaust-outlet/


Rusty
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Old 24-10-2020, 11:22   #2
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Re: Perkins 4.236 Exhaust Elbow.

I am making these thick wall stainless steel water injection elbows. Example pictured. There are many variations possible, like: room above the engine, relationship to boats waterline, space fore and aft, etc. My basic, similar to photo is $275 USD + shipping from Pensacola, FClick image for larger version

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Old 24-10-2020, 12:02   #3
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Re: Perkins 4.236 Exhaust Elbow.

Suggest to search for “Perkins 37765461“.

Example links:
https://shop.perkins.com/parts/exhau...nents/37765461

https://www.boatshop24.com/en/perkin...Engine/1320619

I have an old Perkins 4.236 marine engine.
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Old 24-10-2020, 12:11   #4
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Re: Perkins 4.236 Exhaust Elbow.

Suggest to search for “Perkins 37765461“.

Example links:
https://shop.perkins.com/parts/exhau...nents/37765461

https://www.boatshop24.com/en/perkin...Engine/1320619

I have an old Perkins 4.236 marine engine.
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Old 24-10-2020, 13:04   #5
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Re: Perkins 4.236 Exhaust Elbow.

Not familiar with your Perkins but much better to make exhaust out of sched 10 316L ss as shown in post 2.
Did this for our Yanmar at about 1/10th of the cost of a yanmar cast iron elbow & I'd guess at least 4x the service life from past exhaust fabricating experience.
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Old 24-10-2020, 16:15   #6
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Re: Perkins 4.236 Exhaust Elbow.

That's a Perkins 4.236 lowline, with what is called the "Euro manifold". I have the same one. The link you posted is not the correct exhaust elbow. The one Mancora posted is the right one, though it's not odd to have several different part numbers. If you're in the US, TA Diesels has the right elbow. I purchased mine from them a few years ago.
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Old 25-10-2020, 18:52   #7
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Re: Perkins 4.236 Exhaust Elbow.

Thank you all for the replies. I will get one ordered Monday.

Rusty
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