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Nitrogen Oxide Sensor

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Walker Products 285-1001 Nitrogen Oxide (NOx) Sensor, UpstreamWalker Products 285-1001 Nitrogen Oxide (NOx) Sensor, Upstream
Walker ProductsPart # 285-1001
Walker Products 285-1001 Nitrogen Oxide (NOx) Sensor, Upstream
4.415 Reviews
$351.99
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3-year warranty
90 days free return
Fits 2017-2019 Ford F-250 Super Duty, 2017-2019 Ford F-350 Super Duty, 2017-2019 Ford F-550 Super Duty
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Vehicle: Ford
Item LocatedUnited States
Quantity1
Installation PositionUpstream
ColorMetal
Part interchange
285-1001
item #1001LLHN
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Standard NOX009 Nitrogen Oxide (NOx) Sensor, Upstream
StandardPart # NOX009
Standard NOX009 Nitrogen Oxide (NOx) Sensor, Upstream
4.616 Reviews
$458.99
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3-year warranty
90 days free return
Fits 2013-2016 Ford F-250 Super Duty, 2013-2016 Ford F-350 Super Duty
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford
Item LocatedUnited States
Quantity1
Installation PositionUpstream
Part interchange
NOX009, DNX2009, DNX009, NOX1009, DC3Z9D378A, DC3Z9D378D, 904-6037
item #10016XAQ
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Standard NOX018 Nitrogen Oxide (NOx) Sensor
StandardPart # NOX018
Standard NOX018 Nitrogen Oxide (NOx) Sensor
4.616 Reviews
$331.99
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3-year warranty
90 days free return
Fits 2017-2019 Ford F-250 Super Duty, 2017-2019 Ford F-350 Super Duty, 2017-2019 Ford F-450 Super Duty, 2017-2019 Ford F-550 Super Duty
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford
Item LocatedUnited States
Quantity1
Part interchange
NOX018, DNX2018, DNX018, NOX1018, HC3A5L248CB, HC3Z5L248A, 904-6018
item #10016ZP1
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Standard NOX008 Nitrogen Oxide (NOx) Sensor
StandardPart # NOX008
Standard NOX008 Nitrogen Oxide (NOx) Sensor
4.616 Reviews
$358.99
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3-year warranty
90 days free return
Fits 2011-2012 Ford F-250 Super Duty, 2011-2012 Ford F-350 Super Duty
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford
Item LocatedUnited States
Quantity1
Part interchange
NOX008, DNX2008, DNX008, NOX1008, BC3Z9D378C, BC3Z9D378D, BC3Z9D378E, BC3Z9D378F, 
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item #10016XQE
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Walker Products 285-1015 Nitrogen Oxide (NOx) Sensor, Upstream
Walker ProductsPart # 285-1015
Walker Products 285-1015 Nitrogen Oxide (NOx) Sensor, Upstream
4.415 Reviews
$351.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2018-2021 Ford F-150
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford
Item LocatedUnited States
Quantity1
Installation PositionUpstream
ColorGrey
Part interchange
285-1015
item #1001LHKE
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Walker Products 1004-1025 Nitrogen Oxide (NOx) Sensor
Walker ProductsPart # 1004-1025
Walker Products 1004-1025 Nitrogen Oxide (NOx) Sensor
4.415 Reviews
$438.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2014-2016 Alexander Dennis Enviro400, 2014-2020 Alexander Dennis Enviro500, 2016-2018 Alexander Dennis Enviro500 SuperLo, 2018-2020 Alexander Dennis Enviro200, 2014-2023 Autocar LLC. Xpeditor, 2014-2023 Autocar LLC. Xpert, 2014-2023 Autocar LLC. Xspotter On Road, 2016-2016 Autocar LLC. Xspotter Off Road, 2022-2023 Autocar LLC. DC-64, 2023-2023 Autocar LLC. 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Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford
Item LocatedUnited States
Quantity1
ColorMulti-Colored
Part interchange
1004-1025
item #1001LDD4
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Standard NOX010 Nitrogen Oxide (NOx) Sensor, Downstream
StandardPart # NOX010
Standard NOX010 Nitrogen Oxide (NOx) Sensor, Downstream
4.616 Reviews
$403.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2013-2016 Ford F-250 Super Duty, 2013-2016 Ford F-350 Super Duty
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford
Item LocatedUnited States
Quantity1
Installation PositionDownstream
Part interchange
NOX010, DNX2010, DNX010, NOX1010, DC3Z9D378B, DC3Z9D378C, 904-6039
item #10016X79
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Walker Products 285-1020 Nitrogen Oxide (NOx) Sensor, Upstream
Walker ProductsPart # 285-1020
Walker Products 285-1020 Nitrogen Oxide (NOx) Sensor, Upstream
4.415 Reviews
$351.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2020-2022 Ford F-350 Super Duty, 2021-2022 Ford F-250 Super Duty
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford
Item LocatedUnited States
Quantity1
Installation PositionUpstream
ColorMetal
Part interchange
285-1020
item #1001LDP9
Show less
Walker Products 285-1009 Nitrogen Oxide (NOx) Sensor, Downstream
Walker ProductsPart # 285-1009
Walker Products 285-1009 Nitrogen Oxide (NOx) Sensor, Downstream
4.415 Reviews
$351.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2020-2020 Ford F-350 Super Duty, 2020-2020 Ford F-350 Super Duty, 2020-2020 Ford F-350 Super Duty, 2020-2020 Ford F-350 Super Duty, 2020-2020 Ford F-350 Super Duty, 2020-2020 Ford F-350 Super Duty, 2020-2020 Ford F-350 Super Duty, 2020-2020 Ford F-350 Super Duty, 2020-2020 Ford F-350 Super Duty, 2020-2020 Ford F-350 Super Duty, 2020-2020 Ford F-350 Super Duty, 2021-2022 Ford F-250 Super Duty, 2021-2022 Ford F-350 Super Duty
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford
Item LocatedUnited States
Quantity1
Installation PositionDownstream
ColorMetal
Part interchange
285-1009
item #1001LE06
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Standard NOX030 Nitrogen Oxide (NOx) Sensor, SCR Catalyst Inlet
StandardPart # NOX030
Standard NOX030 Nitrogen Oxide (NOx) Sensor, SCR Catalyst Inlet
4.616 Reviews
$433.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2016-2019 Ford F-650, 2016-2019 Ford F-750, 2021-2022 Ford F-650, 2021-2022 Ford F-750
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford
Item LocatedUnited States
Quantity1
Installation PositionSCR Catalyst Inlet
Part interchange
NOX030, DNX2030, DNX030, NOX1030, FC4Z9D378A, FC4Z9D378C
item #10016YXZ
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What does a Nitrogen Oxide sensor do?

A car nitrogen oxide (NOx) sensor is a component that keeps an eye on the levels of nitrogen oxide gases in a vehicle's exhaust system. It measures how much NOx is present in the exhaust gases and sends this information to the engine control unit. This helps the engine control unit make necessary adjustments to things like the air-fuel mixture and ignition timing to ensure the engine is running efficiently and emitting fewer harmful emissions. In a nutshell, the NOx sensor plays a crucial role in ensuring the vehicle meets emission standards and contributes to a cleaner environment.

Are NOx sensors providing accurate readings in all weather and driving conditions?

NOx sensors may have limitations in their functionality and accuracy under certain weather and driving conditions. Factors such as extreme temperatures, high humidity, and certain exhaust gas compositions can potentially impact the performance and accuracy of NOx sensors. For example, at very low or high temperatures, the sensitivity and response time of NOx sensors can be affected, potentially leading to less accurate readings. Furthermore, the presence of other contaminants or substances in the exhaust stream, such as sulfur compounds or particulate matter, can potentially interfere with the sensor's operation, affecting its accuracy.

How to tell if my Nitrogen Oxide NOx sensor is bad?

If you suspect that your NOx (nitrogen oxide) sensor may be faulty or not functioning properly, there are a few signs that can indicate a potential issue:

  • Check engine light: Illumination of the check engine light on the dashboard may indicate a faulty NOx sensor or another emission-related issue.
  • Reduced engine performance: A malfunctioning NOx sensor can lead to decreased engine performance, including power loss, sluggish acceleration, or poor fuel efficiency.
  • Failed emissions test: If your vehicle consistently fails emissions tests or exhibits a significant increase in NOx emissions, it could be due to a faulty NOx sensor.
  • Poor fuel economy: A malfunctioning NOx sensor may result in poor fuel economy without any other apparent issues.