Fitment
Compatible with Renault and Opel diesel vehicles equipped with SCR (Selective Catalytic Reduction) emission systems requiring NOx monitoring. Commonly used in Euro emission standard diesel engines where OEM part number 227908539R or cross reference 5WK9-6747A is specified. Verify exact OEM number before installation.

FAQ
Q1: What does this NOx sensor do?
A: It monitors nitrogen oxide levels in the exhaust system for SCR emission control feedback.

Q2: Which vehicles is it compatible with?
A: It is used in selected Renault and Opel diesel models depending on engine and emission system configuration.

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

Q4: Does it require coding after installation?
A: Some vehicle systems may require ECU adaptation or reset using diagnostic tools.

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