Yanmar 4JH2E air filter element - SailNet Community

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Old 06-26-2007
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Yanmar 4JH2E air filter element

I just purchased what I thought was a replacement air filter element for a Yanmar 4JH2E engine. The filter element seems to be the correct diameter to fit into the air intake silencer, but it is too tall. (There is no filter element present to compare against.)

The filter part number is 129470-12330, and it's listed as being the air filter element for my engine at Yanmar 129470-12330 AIR FILTER / ELEMENT ASSEMBLY FOR 3JH2-TE AND 4JH2E SERIES Ships Store Torresen

Looking at the Yanmar service manual, I see the intake air silencer, but they show no filter element at all. Am I trying to put an air filter where one does not belong, or do I just have the wrong part?

Thanks,
Gary
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Old 07-05-2009
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bump, I planned on ordering this part for my engine. Does anyone have input? Mind definitely needs replacing.
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Old 03-18-2010
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bump?
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Old 03-18-2010
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Mine has only a silencer on the intake - no filter.
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Old 03-18-2010
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Ditto (3JH2E), no filter in mine, although I've seen others that have the same engine use a filter. I've heard there may be some tendancy for these engines to inhale / digest filter elements, but I'll be interested in what others have to say about this.
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Old 03-18-2010
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Hi Gary,

I went through this exercise with my 3JHE and the local YANMAR dealer. While I can't speak for your engine, there is no filter listed by YANMAR for mine.
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Old 03-30-2010
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Mine did not come with one either..
I am not sure just how necessary one woudl be in that enviorment anyway..
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Old 03-30-2010
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IIRC my 4JH2TE has a thin foam over a conical perforated metal screen. It would probably filter out something too large to get into that part of the engine compartment in the first place.

I also dimly recall that my previous 2GM (or maybe it was this one after all - memory is the second thing to go) actually aspirated the foam over one spot on its intake filter, leaving the bare metal grid. Didn't seem to hurt it any.
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Old 03-30-2010
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No filter is needed. If it's dusty where you are you're probably hard aground.
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