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FITMENT
Compatible with heavy-duty diesel engines used in trucks and commercial vehicles equipped with SCR (Selective Catalytic Reduction) AdBlue systems requiring NOx monitoring.
Common applications include:

  • Cummins ISX12 / ISX15 engines
  • Paccar MX13 engines
  • 6.7L diesel platforms (various OEM truck applications)
    Using reference: 3688978RX (2011–2018 SCR emission systems).

FAQ
Q1: What is the function of this NOx sensor?
A1: It measures nitrogen oxide (NOx) levels in the exhaust system and sends data to the ECU to control AdBlue/DEF injection for emissions compliance.

Q2: Where is it installed?
A2: It is installed in the exhaust aftertreatment system, typically before or after the SCR catalytic converter depending on configuration.

Q3: What are symptoms of failure?
A3: Check engine light, SCR/AdBlue system warnings, NOx sensor fault codes, reduced engine performance, or engine derating.

Q4: Is it compatible with all ISX12 / ISX15 / MX13 engines?
A4: No, compatibility depends on emission level (EPA13/EPA17), engine calibration, and SCR system setup.

ASHENG

Nox Sensor for 2011-2018 ISX12 ISX15 MX13 6.7L 3688978RX

$182.00

FITMENT
Compatible with heavy-duty diesel engines used in trucks and commercial vehicles equipped with SCR (Selective Catalytic Reduction) AdBlue systems requiring NOx monitoring.
Common applications include:

  • Cummins ISX12 / ISX15 engines
  • Paccar MX13 engines
  • 6.7L diesel platforms (various OEM truck applications)
    Using reference: 3688978RX (2011–2018 SCR emission systems).

FAQ
Q1: What is the function of this NOx sensor?
A1: It measures nitrogen oxide (NOx) levels in the exhaust system and sends data to the ECU to control AdBlue/DEF injection for emissions compliance.

Q2: Where is it installed?
A2: It is installed in the exhaust aftertreatment system, typically before or after the SCR catalytic converter depending on configuration.

Q3: What are symptoms of failure?
A3: Check engine light, SCR/AdBlue system warnings, NOx sensor fault codes, reduced engine performance, or engine derating.

Q4: Is it compatible with all ISX12 / ISX15 / MX13 engines?
A4: No, compatibility depends on emission level (EPA13/EPA17), engine calibration, and SCR system setup.
$182.00
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    Description

FITMENT
Compatible with heavy-duty diesel engines used in trucks and commercial vehicles equipped with SCR (Selective Catalytic Reduction) AdBlue systems requiring NOx monitoring.
Common applications include:

  • Cummins ISX12 / ISX15 engines
  • Paccar MX13 engines
  • 6.7L diesel platforms (various OEM truck applications)
    Using reference: 3688978RX (2011–2018 SCR emission systems).

FAQ
Q1: What is the function of this NOx sensor?
A1: It measures nitrogen oxide (NOx) levels in the exhaust system and sends data to the ECU to control AdBlue/DEF injection for emissions compliance.

Q2: Where is it installed?
A2: It is installed in the exhaust aftertreatment system, typically before or after the SCR catalytic converter depending on configuration.

Q3: What are symptoms of failure?
A3: Check engine light, SCR/AdBlue system warnings, NOx sensor fault codes, reduced engine performance, or engine derating.

Q4: Is it compatible with all ISX12 / ISX15 / MX13 engines?
A4: No, compatibility depends on emission level (EPA13/EPA17), engine calibration, and SCR system setup.

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Total price$766.00

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