Fitment

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

Vehicle applications include:
Volkswagen Touareg (2010–2018)
Porsche Cayenne (2010–2015)
Volkswagen Passat (2014–2024)
Volkswagen Arteon (2017–2020)
Other VW Group diesel platforms using OEM 04L907805G / 5WK97311

FAQ

Q1: What is this NOx sensor used for?

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

Q2: Are 04L907805G and 5WK97311 the same part?

A2: Yes.

• 04L907805G = OEM VW/Porsche part number
• 5WK97311 = Continental reference number
  They are the same sensor used in VW Group V6 diesel SCR systems.

Q3: Where is this sensor installed?

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

Q4: Which engines use this sensor?

A4: Mainly VW Group 3.0 TDI V6 diesel engines used in Touareg, Cayenne, Passat, and Arteon platforms.

Q5: What are common failure symptoms?

A5:

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