Mopar 56029333AA Oxygen Sensor - Left

Mopar Oxygen Sensor 56029333AA

This Mopar oxygen sensor is an OE-style emission control replacement for specific Chrysler, Dodge, and Jeep applications. It is listed for before-catalyst use and supports accurate exhaust feedback on the covered vehicles, including Jeep Grand Cherokee, Dodge Dakota, Dodge Durango, and Dodge Ram 1500.

Key Features

• Mopar part number 56029333AA
• Oxygen sensor for emission control service
• Before-catalyst placement for the listed applications
• Direct fitment for select Jeep, Dodge Dakota, Dodge Durango, and Dodge Ram 1500 models
• Replaces part number 56041942AA on select Dodge applications

Fitment Details

Fits 2003 Jeep Grand Cherokee, left, sensor; oxygen; before catalyst; engines - all 4.7L gas.

Fits 2001-2002 Dodge Dakota, before catalyst.

Fits 2001-2002 Dodge Durango, before catalyst.

Fits 2002 Dodge Ram 1500, before catalyst.

This part cross-references 56041942AA for the same application on select Dodge models.

What It Helps Address

• Faulty oxygen sensor readings
• Check engine light concerns related to exhaust feedback
• Rich or lean fuel mixture codes
• Before-catalyst sensor replacement needs
• Emission control performance issues on covered vehicles

Installation Notes and Tips

Verify the vehicle year, model, engine, and sensor position before ordering. Match the before-catalyst location and, where listed, the left-side application on the 2003 Jeep Grand Cherokee 4.7L gas. Inspect the connector and harness routing during replacement to confirm proper installation on the Jeep Grand Cherokee, Dodge Dakota, Dodge Durango, or Dodge Ram 1500.

Quality Assurance

Mopar OE replacement parts are built for factory-style fitment and application-specific service. Confirm part number 56029333AA against the vehicle’s original sensor reference before installation.