Fitment
Compatible with John Deere diesel equipment equipped with SCR (Selective Catalytic Reduction) emission systems requiring NOx sensing. Commonly referenced under OEM part number RE553440 and cross reference 5WK96784. Used in exhaust aftertreatment systems for nitrogen oxide monitoring. Verify OEM number and system configuration before installation.

FAQ
Q1: What does this sensor measure?
A: It measures nitrogen oxide (NOx) and oxygen levels in exhaust gases for emission system control.

Q2: Which equipment is it used on?
A: It is used on selected John Deere diesel machines with SCR emission systems depending on configuration.

Q3: Is this a universal sensor?
A: No, compatibility depends strictly on OEM part number RE553440 or equivalent cross reference 5WK96784.

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

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