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  • Title

    Description

Fitment

GM diesel vehicles with SCR AdBlue Euro 6 emission system including

  • Chevrolet Silverado 2500HD 6.6L Duramax diesel (2017 model year L5P platform)
  • Chevrolet Silverado 3500HD 6.6L Duramax diesel
  • GMC Sierra 2500HD 6.6L Duramax diesel
  • GMC Sierra 3500HD 6.6L Duramax diesel
  • Selected GM Duramax L5P SCR diesel systems

OE reference
12676705
SNS317
A2C11365800-01
12718675 (updated replacement number)


FAQ

What is this NOx sensor used for

It measures nitrogen oxide levels in diesel exhaust gas and sends data to ECU for SCR AdBlue emission control system


Is this inlet or outlet sensor

It is commonly used as NOx Position 1 (upstream sensor before SCR catalyst) depending on exhaust configuration


Are 12676705 and 12718675 interchangeable

Yes, 12718675 is the updated replacement part for 12676705


What system does it work with

SCR Selective Catalytic Reduction system using AdBlue injection for Euro 6 diesel emission compliance


What are common failure symptoms

Engine warning light SCR AdBlue fault reduced power limp mode NOx sensor communication error emission efficiency faults

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Total price$762.00

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