Fitment

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

Vehicle applications include:
Audi Q7
Audi Q8
Volkswagen Touareg
Other VW Group diesel vehicles using OEM 4M0907807H / 5WK97310

FAQ

Q1: What is this NOx sensor used for?

A1: It measures nitrogen oxide levels in diesel exhaust and sends data to the SCR system to control AdBlue (DEF) injection and reduce emissions.

Q2: Is 4M0907807H the same as 5WK97310?

A2: Yes. 4M0907807H is the OEM VW/Audi number and 5WK97310 is the Continental reference for the same NOx sensor design.

Q3: Where is this sensor installed?

A3: It is installed in the exhaust aftertreatment system, usually as an SCR inlet or outlet NOx sensor depending on engine layout.

Q4: What engines use this sensor?

A4: It is mainly used on VW Group 3.0 TDI diesel engines in the MLB EVO platform, including Audi Q7, Q8 and VW Touareg.

Q5: What are common failure symptoms?

A5:

• Check engine light
• AdBlue/SCR system warning
• NOx signal error
• Limp mode (reduced power)