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files/12_e1c87122-2822-4a87-b302-2e5830e8a314.jpg
Fitment
GM diesel vehicles with SCR AdBlue emission system including
- Chevrolet Silverado 2500HD 6.6L Duramax diesel (selected SCR versions)
- Chevrolet Silverado 3500HD 6.6L Duramax diesel
- GMC Sierra 2500HD 6.6L Duramax diesel
- GMC Sierra 3500HD 6.6L Duramax diesel
- Chevrolet Express 2500 / 3500 6.6L diesel
- GMC Savana 2500 / 3500 6.6L diesel
- Selected GM heavy duty diesel SCR systems (2011–2016 range applications depending on calibration)
OE reference
12643694
5WK96645G
12665216 (related system reference)
12648665 (possible cross variant depending on calibration)
FAQ
What is this NOx sensor used for
It measures nitrogen oxide levels in diesel exhaust and sends data to ECU for SCR AdBlue emission control system
Is this inlet or outlet sensor
It is used in SCR system and can function as either inlet or outlet depending on exhaust layout
Are all 12643694 sensors interchangeable
No GM NOx sensors are ECU coded and must match exact OE number and calibration version
What system does it work with
SCR Selective Catalytic Reduction system using AdBlue injection for 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
- Regular price
- $178.00
Fitment
GM diesel vehicles with SCR AdBlue emission system including
- Chevrolet Silverado 2500HD 6.6L Duramax diesel (selected SCR versions)
- Chevrolet Silverado 3500HD 6.6L Duramax diesel
- GMC Sierra 2500HD 6.6L Duramax diesel
- GMC Sierra 3500HD 6.6L Duramax diesel
- Chevrolet Express 2500 / 3500 6.6L diesel
- GMC Savana 2500 / 3500 6.6L diesel
- Selected GM heavy duty diesel SCR systems (2011–2016 range applications depending on calibration)
OE reference
12643694
5WK96645G
12665216 (related system reference)
12648665 (possible cross variant depending on calibration)
FAQ
What is this NOx sensor used for
It measures nitrogen oxide levels in diesel exhaust and sends data to ECU for SCR AdBlue emission control system
Is this inlet or outlet sensor
It is used in SCR system and can function as either inlet or outlet depending on exhaust layout
Are all 12643694 sensors interchangeable
No GM NOx sensors are ECU coded and must match exact OE number and calibration version
What system does it work with
SCR Selective Catalytic Reduction system using AdBlue injection for 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
- Regular price
- $178.00
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