HomeEmission Control > SensorsStandard Ignition NOX031 Nitrogen Oxide (NOx) Sensor - SCR Catalyst Inlet
Part #: NOX031

Standard Ignition NOX031 Nitrogen Oxide (NOx) Sensor - SCR Catalyst Inlet

SCR Catalyst Inlet
⚙️ 6 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$148.94Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, Sierra 1500 and Silverado 1500
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Nitrogen Oxide Sensor for Chevrolet and GMC Trucks

The Standard Ignition NOX031 Nitrogen Oxide (NOx) Sensor is designed to provide accurate emissions monitoring for Chevrolet Silverado 1500 and GMC Sierra 1500 models. This sensor features a female rectangular connector and a male pin terminal configuration, ensuring precise fitment and reliable performance.

  • Female connector with rectangular shape for secure connection
  • Single connector quantity for streamlined installation
  • Male terminal gender with six pin terminals for accurate signal transmission
  • Compatible with Chevrolet Silverado 1500 and GMC Sierra 1500
  • Standard Ignition part number NOX031 for easy identification

Detailed Sensor Specifications and Compatibility

The NOX031 sensor from Standard Ignition is engineered to meet OEM specifications for nitrogen oxide detection in emission control systems. Its female rectangular connector and six male pin terminals provide a stable electrical interface, minimizing signal loss and ensuring consistent data delivery to the vehicle’s engine control unit. This sensor is specifically designed for use in Chevrolet Silverado 1500 and GMC Sierra 1500 trucks, making it a precise replacement part for maintaining emission compliance and engine efficiency.

Common Applications and Problem Resolution

  • Monitors nitrogen oxide levels to support emission control systems
  • Helps resolve check engine light issues related to NOx sensor faults
  • Improves engine performance by providing accurate emissions data
  • Assists in passing state emissions inspections
  • Prevents potential damage to the catalytic converter by ensuring proper sensor function

Installation Notes and Tips

When installing the Standard Ignition NOX031 sensor, ensure the female rectangular connector aligns correctly with the vehicle’s wiring harness. Verify that all six male pin terminals are securely connected to avoid intermittent signals. It is recommended to inspect the sensor wiring and connector for damage before installation. Proper torque specifications should be followed to prevent sensor damage and ensure a tight seal.

Quality Assurance and Warranty Information

Standard Ignition manufactures the NOX031 sensor to meet strict quality standards, ensuring durability and reliable performance in emission control applications. While specific warranty details are not provided here, Standard Ignition products typically come with a limited warranty against defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.

BrandStandard Ignition
Part NumberNOX031
Connector GenderFemale
Connector Quantity1
Connector ShapeRectangular
Terminal GenderMale
Terminal Quantity6
Terminal TypePin

This part fits 6 vehicles. Search below:

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

* 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:

12680340DNX031DNX2031NOX1031

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