Fitment
Compatible with Cummins diesel engines equipped with SCR (Selective Catalytic Reduction) emission systems requiring NOx monitoring. Used in exhaust aftertreatment systems where OEM part numbers 2872298 or 2894946RX and cross reference 5WK9 6693A are specified. Verify exact OEM number and engine configuration before installation.

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

Q2: Which engines is it compatible with?
A: It is used in selected Cummins diesel engines depending on SCR system configuration and OEM specification.

Q3: Is this a universal part?
A: No, compatibility depends strictly on OEM part number and emission system design.

Q4: Does installation require programming?
A: Some systems 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.