Mopar 68070689AA Oxygen Sensor

Mopar Oxygen Sensor for Fiat 500 and Dodge Dart

The Mopar 68070689AA oxygen sensor is a direct-fit emission control sensor for specific Fiat and Dodge applications. It is used before the catalyst to monitor exhaust oxygen content and support accurate fuel control in the engine management system.

Key Features

• Genuine Mopar oxygen sensor for emission control service
• Before-catalyst sensor location
• Fits 2012-2014 Fiat 500, before catalyst
• Fits 2013 Dodge Dart, before catalyst
• Supersedes part number 68119561AA
• Part number 68070689AA for OE-style replacement matching

Detailed Description

Use Mopar part number 68070689AA when replacing a before-catalyst oxygen sensor on a 2012-2014 Fiat 500 or a 2013 Dodge Dart. This sensor helps the engine control system read exhaust oxygen levels ahead of the catalytic converter, which is critical for maintaining proper air-fuel ratio and emissions performance. If you are searching for a Mopar oxygen sensor for Fiat 500 or a Dodge Dart before catalyst replacement, 68070689AA is the listed application.

What It Helps Address

• Check engine light related to oxygen sensor performance
• Incorrect air-fuel mixture readings
• Emissions test failures tied to sensor faults
• Rough idle or drivability issues caused by inaccurate exhaust feedback
• Diagnostic trouble codes associated with the upstream oxygen sensor

Installation Notes and Tips

Install in the before-catalyst position only for the listed vehicles. Verify connector style, sensor routing, and diagnostic codes against the vehicle service information before replacement. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

Mopar OE parts are built for factory-fit replacement on supported Chrysler, Dodge, Fiat, Jeep, and Ram applications. Part number 68070689AA supersedes 68119561AA for the listed fitments.