11-14 GM 6.6L LML Duramax + 10-14 GM 6.6L LGH Duramax Dorman Nitrogen Oxide NOX Sensor (Upstream)
$278.91
- Part Number: 904-422
- Est. Ship Time: Usually Ships By Next Business Day

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This NOx sensor has been made to match the original equipment sensor on certain vehicle years, makes and models, properly restoring nitrogen oxide detection to comply with emissions regulations.
- Direct replacement - this replacement NOx sensor matches the function and performance of the original sensor on specified vehicles
- Restores performance - properly repairs nitrogen oxide detection to comply with regulations
- Application specific - reverse engineered from the original design on certain vehicle years, makes and models
- Trustworthy quality - backed by team of engineers and quality specialists in the United States
Dorman: 904-422

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Our replacement GM Automatic Transmission 20-Pin pigtail features 12" leads that are labeled with the pin positions to aid in installation. Inclu..
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Replacement crankshaft position sensor connector with 6" Pigtail for the 2004-2016 6.6L Duramax engines. Includes heat-sealable butt-style connectors...
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When an EGT sensor bung rusts, the typical solution has been to replace the entire exhaust pipe. This Dorman OE FIX kit allows direct replacement of o..
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This NOx sensor has been made to match the original equipment sensor on certain vehicle years, makes and models, properly restoring nitrogen oxide det..
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