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Old 03-29-2021, 03:35 PM   #1
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Need Northern Lights exhaust manifold

I know this is a log shot and I'm trying Boatdiesel also but my new to me boat is in need of an exhaust manifold. The surveyor caught before I bought the boat. That was back in October. It has been on backorder since. Story is they are working with a new supplier. But I'm thinking someone might have one on a shelf somewhere. No luck on internet yet. Part no. 135606130
Thanks.
Pat
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Old 03-29-2021, 03:40 PM   #2
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Give Charlie with Auxiliary Engine in Seattle a call, they just hooked me up with a new SS exhaust elbow for my 8kw NL genny and may have what you need. They are a great outfit!

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Old 03-29-2021, 07:55 PM   #3
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Did you check with https://www.northernlightsgeneratorparts.com ? I have a similar generator (M753W2) and they always have any parts I need.

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Old 03-29-2021, 08:04 PM   #4
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Right here. https://hdimarine.net/product/nl-cas...-mixing-elbow/

I have one for mine that I have not installed yet. Comes with a gasket. Seems to be great quality.
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Old 03-29-2021, 08:41 PM   #5
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PatT - Call Northern Lights directly, they have excellent service. If they can not sell you one, they will refer you to a stocking dealer.

NL also has free classes to help you with owner servicing and selecting which spares to stock. Look on their website. They are a first-class operation.
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Old 03-29-2021, 09:17 PM   #6
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If it is the mixing elbow you need, definitely buy the HDI one referred to above, not the factory one, or you'll be needing another fairly soon.
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Old 03-29-2021, 10:02 PM   #7
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Are you looking for an exhaust manifold, or the exhaust/raw water mixing elbow?
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Old 03-29-2021, 10:24 PM   #8
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Quote:
Originally Posted by twistedtree View Post
Are you looking for an exhaust manifold, or the exhaust/raw water mixing elbow?
By the part number he listed it is the actually Exhaust Manifold/ Expansion Tank that he is looking for........
Attached Files
File Type: pdf P753K (dragged).pdf (162.8 KB, 32 views)
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Old 03-30-2021, 05:35 AM   #9
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Quote:
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By the part number he listed it is the actually Exhaust Manifold/ Expansion Tank that he is looking for........
Sorry about that. He did say manifold.
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Old 03-30-2021, 09:33 AM   #10
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Yes it is the manifold I need. Appreciate all suggestions guys. I have tried all of the above and just no luck. I may just have to wait.
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Old 03-30-2021, 01:36 PM   #11
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If you can't get one, check with mesamarine.com. They make manifolds out of stainless to match just about every engine produced. Years ago purchased a set for my Perkins 6.354's which were an identical match for the existing at half the replacement cost (then).
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Old 03-30-2021, 09:10 PM   #12
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Do a search here in TF. There is a guy who is parting out a 5kw northern lights.
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Old 03-30-2021, 10:37 PM   #13
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Quote:
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Do a search here in TF. There is a guy who is parting out a 5kw northern lights.
Thanks. I found it and sent him a PM. I don't know enough but I assume the 8 and 5 kw use the same engine?
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Old 03-30-2021, 10:59 PM   #14
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Thanks. I found it and sent him a PM. I don't know enough but I assume the 8 and 5 kw use the same engine?

That I'm not sure of, but you can download the parts manuals and check.
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Old 03-31-2021, 05:54 AM   #15
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Thanks twisted,
It seems the part numbers are off by a hair. They sure look similar though. I've got 135606160, sounds like Pat needs 135606130.....?

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Old 03-31-2021, 06:33 AM   #16
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The 753 and 643/673 use different manifolds. 90% sure of that.

What went wrong with old one? Just an iron casting with no moving parts.
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Old 03-31-2021, 11:24 AM   #17
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Need exhaust manifold

Quote:
Originally Posted by Ski in NC View Post
The 753 and 643/673 use different manifolds. 90% sure of that.

What went wrong with old one? Just an iron casting with no moving parts.
There was a leak detected at survey and the seller paid an mechanic to fix it. Could not get part and we closed the deal agreeing the work would be done. It was late October and the boat needed to be put away in CT. Here we are today and still no part so I start to worry - my plan is to take the boat home, Lake Michigan, starting end of May. Keep in mind the generator runs fine but I guess I am taking my chances the longer I run it. So I ask the mech how long to you think I have before the generator is not usable ( I knew this was a tough one)? His reply "Those manifolds are notorious for getting cracks or rod holes so big that the coolant fills up the cylinders and that one is showing signs of leaking but you cannot predict how long you have last time I tried to predict for somebody I thought they could run the generator for the next couple of weeks but I was wrong nothing bad happened they just had to pull the glow plugs and pump the the antifreeze out of the cylinders."
This is so tough for me not being there to look and touch. I'm in IL. And I have a million other things to think about before we hop aboard in May and I start learning this boat. Not my first post and guaranteed not my last cause I always get good feedback. Thanks.
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Old 04-06-2021, 10:34 AM   #18
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FYI, word from my mech this morning is that Northern Lights will not offer this manifold anymore, so I guess it's obsolete. So those of you that have this 8Kw generator beware.
We have decided to try and repair this one by brazing the leak. Still wish I could find an old generator out there to pull a manifold off of. I know there is one out there somewhere.
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Old 04-06-2021, 11:41 AM   #19
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What year and model is your generator?
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Old 04-06-2021, 01:30 PM   #20
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Quote:
Originally Posted by w8n4sun View Post
What year and model is your generator?
I am states away from the boat and all documents are on board but I believe it is the M753 model. The boat is a 2001 and I am assuming the generator is original.
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