Fitment

Volkswagen Skoda Audi Seat 2.0 TDI Euro 6 SCR diesel vehicles including

• Volkswagen Golf 7 2.0 TDI
• Volkswagen Passat B8 2.0 TDI
• Volkswagen Tiguan 2.0 TDI
• Volkswagen T Roc 2.0 TDI
• Skoda Octavia 3 2.0 TDI
• Skoda Octavia 4 2.0 TDI
• Skoda Superb 3 2.0 TDI
• Skoda Kodiaq 2.0 TDI
• Audi A3 8V 2.0 TDI
• Audi Q2 2.0 TDI
• Seat Leon 2.0 TDI
• Seat Ateca 2.0 TDI

OE reference
04L907807BM

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 sensor inlet or outlet type

It depends on vehicle exhaust layout and SCR system configuration

Is 04L907807BM interchangeable with other versions

No different suffix versions are ECU coded and must match vehicle calibration

What system does it work with

SCR Selective Catalytic Reduction system using AdBlue to reduce NOx emissions for Euro 6 compliance

What are common failure symptoms

Engine warning light SCR AdBlue fault limp mode and NOx sensor related error codes