HomeEmission Control > SensorsStandard Ignition NOX026 Nitrogen Oxide (NOx) Sensor - Upstream
Part #: NOX026

Standard Ignition NOX026 Nitrogen Oxide (NOx) Sensor - Upstream

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⚙️ 15 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, and Silverado 3500 HD
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Reliable Nitrogen Oxide Sensor for Chevrolet and GMC Trucks

The Standard Ignition NOX026 Nitrogen Oxide (NOx) Sensor is designed to provide accurate emissions monitoring for heavy-duty Chevrolet and GMC trucks. Engineered with a female rectangular connector and six male pin terminals, this sensor ensures precise communication with your vehicle's emission control system.

  • Connector Gender: Female for secure connection
  • Connector Quantity: Single connector for streamlined installation
  • Connector Shape: Rectangular design for compatibility
  • Terminal Gender: Male terminals for reliable contact
  • Terminal Quantity: Six terminals to support sensor functionality
  • Terminal Type: Pin terminals for stable electrical connection

Detailed Product Description

The Standard Ignition NOX026 sensor is specifically engineered to meet the emission control requirements of Chevrolet Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, and Silverado 3500 HD models. Its female rectangular connector and six male pin terminals facilitate a secure and precise fit, ensuring consistent sensor performance. This NOx sensor plays a critical role in monitoring nitrogen oxide levels in the exhaust system, helping your vehicle maintain compliance with emission standards.

Applications and Problem Resolution

  • Monitors nitrogen oxide emissions to support emission control systems
  • Helps resolve engine performance issues related to faulty NOx sensor readings
  • Addresses check engine light triggers caused by NOx sensor faults
  • Improves fuel efficiency by providing accurate emission data
  • Supports compliance with environmental regulations for heavy-duty trucks

Installation Notes and Tips

When installing the Standard Ignition NOX026 sensor, ensure the female rectangular connector aligns properly with the vehicle harness. Verify that all six male pin terminals are free of corrosion and securely seated to maintain optimal electrical contact. It is recommended to handle the sensor carefully to avoid damage to the terminals during installation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance for your Chevrolet and GMC heavy-duty trucks. The NOX026 sensor undergoes rigorous quality control to ensure durability and accuracy. Please refer to Standard Ignition's warranty policy for specific coverage details.

BrandStandard Ignition
Part NumberNOX026
Connector GenderFemale
Connector Quantity1
Connector ShapeRectangular
Terminal GenderMale
Terminal Quantity6
Terminal TypePin

This part fits 15 vehicles. Search below:

YearMakeModelPositionNotes
2023ChevroletSilverado 2500 HDUpstream
2023GMCSierra 2500 HDUpstream
2023GMCSierra 3500 HDUpstream
2022ChevroletSilverado 2500 HDUpstream
2022ChevroletSilverado 3500 HDUpstream
2022GMCSierra 2500 HDUpstream
2022GMCSierra 3500 HDUpstream
2021ChevroletSilverado 2500 HDUpstream
2021ChevroletSilverado 3500 HDUpstream
2021GMCSierra 2500 HDUpstream
2021GMCSierra 3500 HDUpstream
2020ChevroletSilverado 2500 HDUpstream
2020ChevroletSilverado 3500 HDUpstream
2020GMCSierra 2500 HDUpstream
2020GMCSierra 3500 HDUpstream

* 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:

1269588112708005DNX026DNX3026NOX1026

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