Nox sensor for X15

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by me myself and I, May 31, 2025.

  1. me myself and I

    me myself and I Heavy Load Member

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    vernon hills,Il
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    I'm pretty sure I'll need one soon. I've called couple dealers and price is +/- 700.
    Can anybody recommend a place for more reasonable price? I would prefer genuine Cummins
     
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  3. JonJon78

    JonJon78 Road Train Member

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    I paid $615 plus $200 core charge from Peterbilt here in Indiana back in March. Doubt you'll find a legit NOX sensor for much less than that price these days.

    Typically when one goes out, the other isn't far behind.

    Not sure if you've installed one before yourself, if not make sure you have the slotted socket to remove the old one.

    In order the recieve your $200 core credit refund the old one cannot have the wires cut and must be returned in the original box. Just a FYI...
     
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  4. D.Tibbitt

    D.Tibbitt Road Train Member

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    Gettin' down westbound
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    With all the heat those things take, just be prepared to fight it coming off... I got mine off in a truckstop one time well I cut the wires and put a deep socket on it cuz I couldn't get at it with a wrench
     
  5. Diesel Dave

    Diesel Dave Last Few of the OUTLAWS

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    Hesperia, Ca.
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    Just like @JonJon78 said, that’s the price for one and the other is about $50 difference, you’ll still be paying close to $700.00. I’ve done both in and out Nox on mine. So be ready to for when the other one goes out. Mine were a month apart.
     
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  6. Goodysnap

    Goodysnap Road Train Member

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    Don’t let your parts guys tell you that you can’t get core credit back for cutting a Nox sensor.

    If you must cut the sensor, cut wires within 6 inches of the sensor probe to receive full credit and both pieces must be returned. Per Cummins….

    This will allow you to fit a good 6 point socket on and giver the beans to get out the stuck ones.

    Anyone that tries to tell you not to cut is feeding you a line of crap.
     
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