Namz NO2X-1201 O2 Sensor Harness Extension and Bung Adapter

Now you can use 09 Dresser exhaust pipes on 10-13 Dresser models.
Reduce the 18mm O2 bungs on 09 models to 12mm O2 bungs found on 10-13 models.
Uses Namz simple Plug-N-Play wiring harness technology; no cutting or splicing required.

Made in the USA.