Fitment

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

• Alfa Romeo Giulia 2.2 JTDm diesel
• Alfa Romeo Stelvio 2.2 JTDm diesel
• Jeep Cherokee 2.2 diesel (selected SCR versions)
• Jeep Grand Cherokee diesel (selected Euro 6 variants)
• Fiat Ducato 2.3 / 2.2 Multijet SCR diesel
• Selected FCA 2.0 / 2.2 diesel SCR applications

OE reference
55283225
SNS0906A
A2C15988000
A3C00685900-01

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 commonly used as SCR system NOx sensor and may function as inlet or outlet depending on exhaust configuration

Are all 55283225 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 and emission efficiency faults