Mopar 56028994AA Oxygen Sensor

Mopar Oxygen Sensor 56028994AA

Mopar 56028994AA is an oxygen sensor for emission control applications that monitor exhaust oxygen content before the converter. It is a direct-fit style replacement for select Dodge and Jeep vehicles, including Dodge Ram 1500, Dodge Dakota, Dodge Ram 2500, Dodge Ram 3500, and Jeep Liberty applications listed below.

Key Features

• Oxygen sensor for before-converter placement
• OE Mopar part number 56028994AA
• Fits 2004-2005 Dodge Ram 1500, N/A
• Fits 2004 Dodge Dakota, N/A
• Fits 2004 Dodge Ram 2500, N/A
• Fits 2004 Dodge Ram 3500, N/A
• Fits 2004 Jeep Liberty, N/A

Detailed Description

This Mopar oxygen sensor, part number 56028994AA, is used in the exhaust stream before the catalytic converter to provide feedback for engine management and emissions control. It is listed for 2004-2005 Dodge Ram 1500, 2004 Dodge Dakota, 2004 Dodge Ram 2500, 2004 Dodge Ram 3500, and 2004 Jeep Liberty applications, making it a focused OE replacement for common Chrysler, Dodge, and Jeep fitments. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Check engine light related to oxygen sensor performance
• Incorrect air-fuel mixture readings
• Reduced fuel control accuracy
• Emissions test failures tied to sensor faults
• Slow or inconsistent upstream sensor response

Installation Notes and Tips

Install in the before-converter location specified for the vehicle application. Verify connector style, harness routing, and sensor placement against the original part before installation. For best results, inspect nearby exhaust components for leaks or damage that could affect sensor readings.

Quality Assurance

As a Mopar part, 56028994AA is built to OE specifications for the listed applications and is intended to match factory fitment requirements for the covered Dodge and Jeep models.