Fitment

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

• Volkswagen Golf 7 2.0 TDI
• Volkswagen Golf 7.5 2.0 TDI
• Volkswagen Passat B8 2.0 TDI
• Volkswagen Tiguan 2.0 TDI
• Volkswagen T Roc 2.0 TDI
• Audi A3 8V 2.0 TDI
• Audi Q2 2.0 TDI
• Skoda Octavia 3 2.0 TDI
• Skoda Octavia 4 2.0 TDI
• Skoda Superb 3 2.0 TDI
• Seat Leon 2.0 TDI
• Seat Ateca 2.0 TDI

Confirmed OE match
04L907805DG 0281007335 0281007336

FAQ

What is this NOx sensor used for

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

Is this sensor inlet or outlet type

It can be used as inlet or outlet depending on vehicle exhaust layout and ECU configuration

Are all 04L907805DG sensors interchangeable

No different suffix versions are ECU coded and not always interchangeable

What system does it work with

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

What are common failure symptoms

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