Fitment

Audi Volkswagen Skoda Seat 3.0 TDI and selected Euro 6 SCR diesel vehicles including

• Audi A6 C7 3.0 TDI
• Audi A7 3.0 TDI
• Audi A4 B9 3.0 TDI (selected configurations)
• Audi Q5 FY 3.0 TDI (selected SCR versions)
• Volkswagen Touareg 3.0 TDI
• Volkswagen Passat 3.0 TDI (selected SCR versions)
• Skoda Superb 3.0 TDI (selected configurations)
• Seat models using V6 diesel SCR systems (limited applications)

OE reference
04L907807N
0281007859
0281007860

FAQ

What is this NOx sensor used for

It measures nitrogen oxide levels in diesel exhaust and sends data to ECU for SCR AdBlue emission control system

Is this inlet or outlet sensor

It is used in SCR system and position depends on vehicle exhaust layout and ECU configuration

Are all 04L907807N sensors interchangeable

No SCR NOx sensors are ECU coded and must match exact OE number and calibration version

What system does it work with

SCR Selective Catalytic Reduction system using AdBlue injection for Euro 6 diesel emission compliance

What are common failure symptoms

Engine warning light SCR AdBlue fault reduced power limp mode NOx sensor communication error and emission efficiency faults