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Thread: D4400 D4 2T precombustion chamber

  1. #1
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    Default D4400 D4 2T precombustion chamber

    Anyone with a removed chamber able to measure its dimensions? Seen this for sale but the seller has no part no. Just wondering if itís a D4400 chamber?

    3F1A034A-F16D-425B-A796-9EF4E687267B.jpg

  2. #2
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    I should be able to this evening. I think Dana at Florin supplies mine-no issues. I did that project appx 2008, so itís been a while. Drain coolant before you start.

  3. #3
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    Quote Originally Posted by bernie View Post
    I should be able to this evening. I think Dana at Florin supplies mine-no issues. I did that project appx 2008, so itís been a while. Drain coolant before you start.

    Thanks, Bernie.

  4. #4
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    That doesn't look like a D4400 chamber.

  5. #5
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    Quote Originally Posted by Old Magnet View Post
    That doesn't look like a D4400 chamber.
    Ok, thanks OM, great info, that will save me some money for the moment..

  6. #6
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    This chamber was removed from a D4600, I believe it would be the same as for D4400.
    The big OD is 2.170, threads 1 1/8 -?, total length is 4.355
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    Last edited by STEPHEN; 04-01-2020 at 04:32 PM.
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  7. #7
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    Quote Originally Posted by Deebo View Post
    Anyone with a removed chamber able to measure its dimensions? Seen this for sale but the seller has no part no. Just wondering if itís a D4400 chamber?

    3F1A034A-F16D-425B-A796-9EF4E687267B.jpg

    Hey Deebo- couldn't quite cover you yesterday, late night...wrong box....etc. etc. etc. I'm glad you asked, I can feel I have reason to save all of this stuff now!

    Anyway below are a few upclose pics of one I removed from my D42T 9069SP. Of late I am not going to state with confidence it is correct for you, but I did order from my Parts Book when I replaced them and I don't recall them mismatching with the four I removed. Note there are threads out there on these for a removal tool-a hex bolt will work-I want to say 7/8" but cant fully recall. In my opinion I don't think what I have match what you picture.....


    pcc1.jpgpcc2.jpgpcc3.jpgpcc4.jpgpcc5.jpgpcc6.jpg

    Have fun!
    Bernie

  8. #8
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    Does the chamber in question have the hex drive provision?
    Current (after market version) and spec....
    I don't think the spec is correct on the thread, I believe it is 1-1/8"- 12tpi
    Attached Images Attached Images
    Last edited by Old Magnet; 04-01-2020 at 11:16 PM.

  9. #9
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    Thanks guys, awesome info as usual! So the one for sale canít be a D4400 as itís 5.315Ē long.
    Last edited by Deebo; 04-02-2020 at 01:17 AM.

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