FITMENT
Compatible with Volkswagen AG diesel vehicles equipped with SCR (Selective Catalytic Reduction) systems requiring NOx monitoring.
Common applications include Volkswagen diesel passenger and light commercial vehicles using reference 5WK97252 / 03N907807B.

FAQ
Q1: What does this NOx sensor do?
A1: It measures nitrogen oxide concentration in the exhaust system and sends signals to the engine control unit for emissions control.

Q2: Where is it installed?
A2: It is installed in the exhaust system, typically before or after the SCR catalyst depending on system layout.

Q3: What are failure symptoms?
A3: Engine warning light, emissions-related fault codes, and reduced SCR system control accuracy.

Q4: Is it compatible with all Volkswagen models?
A4: No, compatibility depends on engine type and emissions system configuration.