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55496922 Genuine GM NOx Sensor Upper For Colorado Canyon 2.8L Diesel

P/N: 55496922 Manufactured by: GM
Original price $314.00 - Original price $314.00
Original price
$314.00
$314.00 - $314.00
Current price $314.00
3 in Stock
Condition: New
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Description

The 55496922 is a genuine GM upper nitrogen oxides (NOx) sensor designed for select 2016–2019 Chevrolet Colorado and GMC Canyon models with the 2.8L Duramax diesel engine. It detects nitrogen oxide content leaving the engine and transmits accurate exhaust data to the control module, allowing the SCR system to operate as intended under changing driving conditions.

Vehicle Compatibility

Year Vehicle Engine Trims
2019 Chevrolet Colorado 2.8L L4 Diesel LT, WT, Z71, ZR2
2019 GMC Canyon 2.8L L4 Diesel All Terrain, Denali, SLE, SLT
2018 Chevrolet Colorado 2.8L L4 Diesel LT, WT, Z71, ZR2
2018 GMC Canyon 2.8L L4 Diesel All Terrain, Denali, SLE, SLT
2017 Chevrolet Colorado 2.8L L4 Diesel LT, WT, Z71, ZR2
2017 GMC Canyon 2.8L L4 Diesel Denali, SLE, SLT
2016 Chevrolet Colorado 2.8L L4 Diesel LT, WT, Z71
2016 GMC Canyon 2.8L L4 Diesel SLE, SLT


General Specifications

Condition New
Part Number 55496922
Brand GM
Part Type Nitrogen Oxides Sensor (NOx Sensor)
Years 2016–2019
Vehicle Chevrolet Colorado, GMC Canyon
Position Upper
Engine Compatibility 2.8L L4 Diesel
Weight 1.33 lbs
Fitment Type Direct Replacement


Product Features

The 55496922 upper nitrogen oxides (NOx) sensor is built to match factory performance and installation requirements:

  • Measures nitrogen oxide concentration in the exhaust to support accurate emissions system operation
  • Designed specifically for the factory upper sensor location on compatible 2.8L Duramax diesel engines
  • Works with the original electrical connector and mounting arrangement for proper installation
  • Provides steady sensor feedback used by the engine control module to manage SCR functions
  • Built to GM engineering standards for reliable operation in high-temperature diesel exhaust conditions

Application Notes

The 55496922 is intended for vehicles equipped with the factory upper NOx sensor configuration shown for the listed applications. Before installation, inspect the exhaust mounting threads and electrical connector to ensure they are clean and free of damage.

Verify the part number, vehicle VIN, engine configuration, and sensor position before installation.

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