Fitment
Compatible with Volkswagen Group Euro 6 diesel emission systems (SCR / AdBlue)

Vehicle applications include:
Audi Q8
Audi Q7
Volkswagen Touareg
Other VW Group MLB EVO diesel platforms using OEM part number 4M0907807AE / SNS710

FAQ

Q1: What is the function of this NOx sensor?
A1: It measures nitrogen oxide (NOx) levels in diesel exhaust and sends data to the SCR system to control AdBlue (DEF) injection and reduce emissions.

Q2: Where is this sensor installed?
A2: It is installed in the exhaust aftertreatment system, typically as a front or rear SCR NOx sensor depending on vehicle configuration.

Q3: Are 4M0907807AE and SNS710 the same?
A3: Yes, 4M0907807AE is the OEM VW/Audi part number and SNS710 (often with A2C reference) is the Continental sensor designation for the same unit.

Q4: Which vehicles commonly use this sensor?
A4: It is widely used on Audi Q7 (4M), Audi Q8 (4M), and VW Touareg (CR platform 2018–2021) 3.0 TDI SCR diesel engines.

Q5: What are common failure symptoms?
A5: Engine warning light, AdBlue/SCR system faults, NOx sensor communication errors, or limp mode activation.