FITMENT
Compatible with Volkswagen AG diesel vehicles equipped with SCR (Selective Catalytic Reduction) systems requiring NOx monitoring.
Common applications include Volkswagen diesel passenger vehicles using reference 5WK96728 / 8R0907807A.

FAQ
Q1: What is this NOx sensor used for?
A1: It measures nitrogen oxide concentration in exhaust gases 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 common failure symptoms?
A3: Engine warning light, emissions-related fault codes, and reduced SCR system performance.

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