Fitment

FCA diesel vehicles with SCR AdBlue Euro 5 Euro 6 emission system including

• Fiat Tipo 1.3 / 1.6 Multijet diesel
• Fiat 500L 1.3 / 1.6 Multijet diesel
• Fiat Doblo 1.3 / 1.6 Multijet diesel
• Fiat Fiorino 1.3 Multijet diesel
• Fiat Ducato 2.3 Multijet diesel (selected SCR versions)
• Jeep Renegade 1.6 Multijet diesel
• Jeep Compass 1.6 Multijet diesel
• Alfa Romeo Giulietta diesel (selected SCR applications)
• Opel / Vauxhall FCA platform diesel SCR vehicles (selected configurations)

OE reference
55283366
SNS0793A
A3C00685200-01
00552833660

FAQ

What is this NOx sensor used for

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

Is this inlet or outlet sensor

It is used in SCR system and can function as inlet or outlet depending on vehicle exhaust layout

Are all 55283366 sensors interchangeable

No FCA 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 5 and Euro 6 diesel emission compliance

What are common failure symptoms

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