Mopar 56041212AE Oxygen Sensor

Mopar Oxygen Sensor 56041212AE

Mopar 56041212AE is an oxygen sensor for before-catalyst applications on select Dodge and Jeep vehicles. It is used to monitor exhaust oxygen content so the engine control system can adjust fuel delivery and emissions performance.

Key Features

• Genuine Mopar oxygen sensor for emission control service
• Before-catalyst location for upstream exhaust monitoring
• Direct fit for select Dodge Viper, Ram 1500, Ram 2500, and Ram 3500 applications
• Also fits select Jeep Cherokee and Jeep Wrangler applications
• Part number 56041212AE for accurate ordering and service matching

Fitment Details

• Fits 1999-2002 Dodge Viper, Before Catalyst
• Fits 1999-2001 Dodge Ram 1500, Before Catalyst
• Fits 1999-2001 Dodge Ram 2500, Before Catalyst
• Fits 1999-2001 Dodge Ram 3500, Before Catalyst
• Fits 1999 Jeep Cherokee, Before Catalyst
• Fits 2000 Jeep Cherokee, VH1021
• Fits 2001 Jeep Cherokee, VH1027
• Fits 2000 Jeep Wrangler, VH1112

What It Helps Address

• Fault codes related to oxygen sensor performance
• Rough idle caused by incorrect air-fuel feedback
• Reduced fuel economy from inaccurate exhaust readings
• Emissions test failures tied to upstream sensor issues
• Check engine light concerns on Dodge and Jeep vehicles

Installation Notes

Install this sensor in the before-catalyst position specified by the vehicle application. Verify connector style, routing, and exhaust thread condition before installation. For best results, confirm the vehicle year, model, and engine configuration against the listed fitment for Mopar 56041212AE.

Quality Assurance

Mopar OE parts are built to match factory service requirements for Chrysler, Dodge, Jeep, and Ram applications. This part number, 56041212AE, is listed for direct fitment on the vehicles shown above.