FITMENT
Compatible with heavy-duty diesel vehicles equipped with SCR (Selective Catalytic Reduction) systems requiring NOx monitoring.
Common applications include commercial trucks, buses, and Euro 5 / Euro 6 diesel engines using reference:

• SNS3510
• AAA2111920000

(Exact OEM mapping may vary depending on ECU calibration and manufacturer configuration.)

FAQ
Q1: What is the function of this NOx sensor?
A1: It measures nitrogen oxide (NOx) levels in the exhaust system and sends real-time data to the ECU to control AdBlue/DEF dosing and reduce emissions.

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

Q3: What are symptoms of failure?
A3: Check engine light, SCR/AdBlue system warnings, NOx sensor fault codes, reduced engine performance, or limp mode activation.

Q4: Is this sensor universal?
A4: No, compatibility depends on engine model, emission standard, and SCR system configuration. Always match OEM number before installation.