Fits: 2017 thru 2019 Chevy Silverado/GMC Sierra 2500HD/3500HD L5P Duramax Diesel

*Contact us for current lead times*

OEM GM replacement downstream (position 2) NOx sensor. This Nitrogen Oxide sensor is located downstream in the exhaust system.

DmaxStore Note: 

• Programming required with GM scan tool or equivalent

Replaces Part#'s:

• GM 12741484
• GM 12676706
• GM 12718676