Fitment

FCA diesel vehicles with SCR AdBlue Euro 6 emission system including

• Fiat Ducato 2.3 Multijet diesel Euro 6 SCR
• Fiat Ducato Van / Bus / Chassis Cab Euro 6
• Fiat Talento 1.6 / 2.0 Multijet diesel (selected SCR versions)
• Alfa Romeo Giulia 2.2 JTDm diesel (selected SCR applications)
• Alfa Romeo Stelvio 2.2 JTDm diesel (selected SCR applications)
• Jeep Renegade 1.6 Multijet diesel (selected SCR versions)
• Jeep Compass 1.6 Multijet diesel (selected SCR versions)
• Opel Vauxhall FCA platform diesel SCR vehicles (selected configurations)

OE reference
46335939
SNS0948A
A3C00688200
A2C18718300-04

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 commonly used as SCR downstream NOx sensor depending on exhaust system configuration

Are all 46335939 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 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