Description
Fits: 2011 thru 2014 Chevy Silverado/GMC Sierra 2500HD/3500HD LML Duramax Diesel
OEM GM replacement upstream (position 1) NOx sensor. This Nitrogen Oxide sensor is located upstream in the downpipe.
DmaxStore Note:
- Programming required with GM scan tool or equivalent
Replaces Part#:
- GM 12671387
