Fitment

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

• Volkswagen Transporter T6 2.0 TDI
• Volkswagen Transporter T6.1 2.0 TDI (selected SCR versions)
• Volkswagen Multivan T6 2.0 TDI
• Volkswagen Caravelle T6 2.0 TDI
• Volkswagen California T6 2.0 TDI
• Volkswagen Passat B8 2.0 TDI (selected SCR versions)
• Audi A4 B9 2.0 TDI (selected SCR versions)
• Audi A5 2.0 TDI (selected SCR versions)
• Skoda Superb 3 2.0 TDI (selected SCR versions)
• Skoda Octavia 3 2.0 TDI (selected SCR versions)
• Seat Alhambra 2.0 TDI (selected SCR versions)

OE reference
04L907805BT
0281007117
0281007118

FAQ

What is this NOx sensor used for

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

Is this inlet or outlet sensor

It can be used as inlet or outlet depending on exhaust system layout and SCR configuration

Are all 04L907805BT sensors interchangeable

No VW Group 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