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Standard Ignition NOX043 Nitrogen Oxide (NOx) Sensor - SCR Catalyst OutletOE Quality 60-Day Returns
Part #: NOX043

Standard Ignition NOX043 Nitrogen Oxide (NOx) Sensor - SCR Catalyst Outlet

SCR Catalyst Outlet
6 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and GMC, Sierra 1500 and Silverado 1500
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Not what you need? See all Nitrogen Oxide (NOx) Sensor options

NOx Sensor for SCR Catalyst Outlet

Standard Ignition NOX043 is a nitrogen oxide (NOx) sensor for diesel emission control systems. It is built with a female rectangular connector, 6 male pin terminals, and a single connector interface for a direct-fit electrical connection at the SCR catalyst outlet.

Key Features

  • Nitrogen oxide (NOx) sensor for emission control diagnostics
  • Female connector with rectangular housing
  • 1 connector, 6 male pin terminals
  • Positioned for SCR catalyst outlet applications
  • Standard Ignition NOX043 for OE-style replacement needs

Detailed Description

Standard Ignition NOX043 is a replacement NOx sensor used in selective catalytic reduction systems to monitor exhaust aftertreatment performance. It is listed for 2020-2022 Chevrolet Silverado 1500 and 2020-2022 GMC Sierra 1500 applications at the SCR catalyst outlet. If you are searching for a 2020-2022 Chevrolet Silverado 1500 SCR catalyst outlet NOx sensor or a 2020-2022 GMC Sierra 1500 SCR catalyst outlet nitrogen oxide sensor, this part number is the direct reference to check.

This part cross-references 12680288 and DNX043 for the same application.

What It Helps Address

  • NOx sensor fault codes related to exhaust aftertreatment monitoring
  • SCR system performance issues tied to outlet sensor readings
  • Emission control warning lights caused by sensor signal problems
  • Incorrect nitrogen oxide measurement at the catalyst outlet
  • Driveability concerns linked to diesel emissions system faults

Installation Notes and Tips

Verify the connector shape, terminal count, and SCR catalyst outlet location before installation. Match the vehicle application exactly for 2020-2022 Chevrolet Silverado 1500 and 2020-2022 GMC Sierra 1500 models. Confirm the existing harness and connector condition so the replacement sensor seats and locks properly.

Quality Assurance

Standard Ignition is a recognized aftermarket source for electrical and emission control components. NOX043 is built to match the listed connector and terminal configuration for the specified vehicle applications.

BrandStandard Ignition
Part NumberNOX043
Connector GenderFemale
Connector Quantity1
Connector ShapeRectangular
Minimum Order Qty.1
Terminal GenderMale
Terminal Quantity6
Terminal TypePin

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2022ChevroletSilverado 15003.0LL6SCR Catalyst Outlet
2022GMCSierra 15003.0LL6SCR Catalyst Outlet
2021ChevroletSilverado 15003.0LL6SCR Catalyst Outlet
2021GMCSierra 15003.0LL6SCR Catalyst Outlet
2020ChevroletSilverado 15003.0LL6SCR Catalyst Outlet
2020GMCSierra 15003.0LL6SCR Catalyst Outlet

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

12680288DNX043DNX1043NOX1043

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

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