Fitment

FCA Jeep Ram Fiat diesel vehicles with SCR AdBlue Euro 6 emission system including

• Jeep Cherokee 2.0 / 2.2 diesel SCR (2019–2021)
• Jeep Grand Cherokee diesel SCR applications (selected Euro 6 versions)
• Ram 1500 diesel SCR (selected EcoDiesel configurations)
• Ram ProMaster diesel SCR system
• Fiat Ducato 2.3 Multijet diesel Euro 6 SCR
• Selected FCA light commercial and passenger diesel SCR vehicles

OE reference
68328581AA
SNS0785A
A2C1497490003
55283762 (related system variant reference)

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 aftertreatment system and may function as inlet or outlet depending on vehicle configuration

Are all 68328581AA 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