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NTC-300 part identification

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by WAS3, Mar 19, 2018.

  1. Mar 19, 2018 #1
    WAS3

    WAS3 Bobtail Member

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    Mar 19, 2018
    Abilene, Tx (near)
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    part.jpg 1989 F9000 with Cummins NTC-300. Seems to be missing cap/plug on the head. There is blow by when engine is running. My question is what is this missing part called? Part Number, or on the web. Second is there to be alot of blowby coming from this hole? Seems it has been doing it a while. Passenger floor board side is saturated with oil.
     
    WAS3, Mar 19, 2018
    WAS3, Mar 19, 2018
    #1
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  3. Mar 19, 2018 #2
    BoxCarKidd

    BoxCarKidd Road Train Member

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    That is the new style rocker box that could be used for an STC or standard timed engine. Yours is a standard timed engine. That is a pop in plastic plug with an o-ring to seal the oil.Can not tell you the numbers but get a new one ordered by your CPL and engine serial number. Get all of the old one out of there you can and pop the new one in. Don't worry about the blowby from the old one or what you can't get out. It will drain out the bottom.
     
    BoxCarKidd, Mar 19, 2018
    BoxCarKidd, Mar 19, 2018
    #2
    spsauerland and WAS3 Thank this.
  4. Mar 19, 2018 #3
    WAS3

    WAS3 Bobtail Member

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    Mar 19, 2018
    Abilene, Tx (near)
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    Additional pics of engine tag. 20180319_200312.jpg 20180319_200357.jpg 20180319_200322.jpg
     
    Last edited: Mar 19, 2018
    WAS3, Mar 19, 2018
    WAS3, Mar 19, 2018
    #3
  5. Mar 20, 2018 #4
    pushbroom

    pushbroom Road Train Member

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    Cummins calls it a pass through plug.

    3053756
     
    pushbroom, Mar 20, 2018
    pushbroom, Mar 20, 2018
    #4
    WAS3 Thanks this.
  7. Mar 20, 2018 #5
    haycarter

    haycarter Road Train Member

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    Australia
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    Go here...Cummins QuickServe Online

    Create an account (Its' Free!!) register your ESN. & you'll have access to your Parts Manuals ect..
     
    haycarter, Mar 20, 2018
    haycarter, Mar 20, 2018
    #5
    WAS3 Thanks this.
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