Standard Ignition NOX041 Nitrogen Oxide (NOx) Sensor - Upstream

Name: Standard Ignition NOX041 Nitrogen Oxide (NOx) Sensor - Upstream
Brand: Standard Ignition
SKU: FBHK-NOX041
Price: 296.87 USD
Availability: InStock

Upstream

4 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, Equinox and Terrain

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Not what you need? See all Nitrogen Oxide (NOx) Sensor options

Upstream NOx Sensor for Equinox and Terrain

The Standard Ignition NOX041 is a nitrogen oxide sensor for emissions monitoring on select GM applications. It is built with a rectangular female connector, a single connector interface, and a male pin terminal layout for direct replacement service on the listed vehicles.

Nitrogen oxide (NOx) sensor for emission control systems
Female connector with 1 rectangular connector
Male pin terminal design with 1 terminal interface
Upstream location for the listed Chevrolet and GMC applications
Direct-fit replacement for 2018-2019 Chevrolet Equinox and 2018-2019 GMC Terrain

Detailed Product Information

Standard Ignition NOX041 is an upstream NOx sensor used in the emission control system to monitor nitrogen oxide levels before downstream exhaust treatment. This part cross-references 55495830 and DNX041 for the same application. It is a fitment-based replacement for 2018-2019 Chevrolet Equinox, upstream, and 2018-2019 GMC Terrain, upstream. The NOX041 part number is also referenced as DNX1041 and NOX1041 in interchange listings.

Common Replacement Reasons

Check engine light related to NOx sensor performance
Emission system fault codes tied to upstream exhaust monitoring
Incorrect nitrogen oxide readings from the sensor circuit
Failed sensor connector or terminal interface on the original unit
Restoring emissions monitoring on a Chevrolet Equinox or GMC Terrain

Installation Notes and Tips

Verify the connector shape, gender, and terminal style before installation. Confirm the sensor position as upstream and match the vehicle year and model exactly: Fits 2018-2019 Chevrolet Equinox, upstream, and Fits 2018-2019 GMC Terrain, upstream. Compare the original part number and connector layout to the replacement before service.

Quality Assurance

Standard Ignition supplies emission control components for service replacement applications. This NOx sensor is cataloged for the specified fitment and interchange references to support accurate parts matching for Equinox and Terrain repairs.

Brand	Standard Ignition
Part Number	NOX041
Connector Gender	Female
Connector Quantity	1
Connector Shape	Rectangular
Minimum Order Qty.	1
Terminal Gender	Male
Terminal Quantity	1
Terminal Type	Pin

This part fits 4 vehicles. Search below:

Year	Make	Model	Liters	Cylinders	Position
2019	Chevrolet	Equinox	1.6L	L4	Upstream
2019	GMC	Terrain	1.6L	L4	Upstream
2018	Chevrolet	Equinox	1.6L	L4	Upstream
2018	GMC	Terrain	1.6L	L4	Upstream

* 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:

55495830DNX041DNX1041NOX1041

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