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

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

Brand Standard Ignition NOX043
Position SCR Catalyst Outlet
Connector Gender Female
Connector Quantity 1
Connector Shape Rectangular
Minimum Order Qty. 1
Terminal Gender Male
Terminal Quantity 6
Terminal Type Pin
Fits Chevrolet and GMC · 6 vehicles

NOx sensing. Measures nitrogen oxide levels for emission control systems.

Female connector. Rectangular 1-connector design with 6-pin terminals.

Cross-references 12680288, DNX043 and DNX1043 for the same application. See all 4.

$312.36Free shipping
In stock · usually ships same day before 1pm CST
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Order total $312.36
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Free returns within 60 days if it doesn't fit when fitment is verified.
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.

Related reading

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
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—
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
12680288DNX043DNX1043NOX1043