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Old 10-15-2014, 10:47 AM   #1
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Spartan Chassis
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Broken exhaust manifold

Anyone have the part number for the exhaust manifold on a 350 cummins in a 2000 Alpine coach? Looks like its time to replace mine and check my turbo while I'm there.
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Old 10-15-2014, 11:26 AM   #2
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If you have the engine serial number, Cummins care will provide the part number.
1-800-343-7357
1-800-DIESELS
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Old 10-15-2014, 08:41 PM   #3
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Tried that and no luck. It will work with any internal engine parts but not the exhaust.
I guess the exhaust depends on what type of application. If you search Amazon for 8.3 Cummins exahust you will see several factory Cummins exhaust manifolds. Irvine Cummins said to try and get a part # off the manifold.
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Old 10-16-2014, 08:42 AM   #4
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For my 2001 two piece manifold:

3964070
3937477
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Old 10-16-2014, 05:55 PM   #5
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I just replaced mine using the above numbers
plus gaskets as follows:
6 each 5269779 exhaust port gaskets
1 each 3901356 turbo gasket
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Old 10-16-2014, 05:58 PM   #6
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Add new bolts and spacers to the above list........turbo gasket and gasket for the oil line to the turbo also.....
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