Fitment
Compatible with Chrysler 300 diesel models (2011–2014) equipped with SCR (Selective Catalytic Reduction) emission systems requiring NOx monitoring. Commonly used in exhaust aftertreatment systems where OEM part numbers 68085740AA, 68085740AB, or cross reference 5WK9 6730 are specified. Verify exact OEM number and system configuration before installation.

FAQ
Q1: What does this NOx sensor measure?
A: It measures nitrogen oxides (NOx) in diesel exhaust gases for SCR emission system control.

Q2: Which vehicles is it compatible with?
A: It is used in Chrysler 300 diesel models from 2011–2014 depending on emission system configuration.

Q3: Is this a universal part?
A: No, compatibility depends strictly on OEM part number 68085740AA / 68085740AB or equivalent reference 5WK9 6730.

Q4: Does installation require programming?
A: Some vehicles may require ECU reset or diagnostic adaptation after replacement.

Q5: Where is it installed?
A: It is installed in the exhaust aftertreatment system, typically upstream or downstream of the SCR catalyst.