Delphi ES20043 Oxygen Sensor - Front, Front Left or Front Right

Delphi ES20043 Heated Oxygen Sensor Overview

The Delphi ES20043 is a heated oxygen sensor designed for precise emission control in select Chrysler, Dodge, Jeep, and Mitsubishi vehicles. Engineered with a 4-wire configuration and a round connector, this sensor ensures accurate air-fuel mixture readings for optimal engine performance.

• Heated oxygen sensor with 4 wires for reliable operation
• Round connector shape for secure and easy installation
• Thread size of 18 x 1.5 mm compatible with specified vehicle models
• Overall length of 600 mm to fit front, front left, or front right positions
• Includes oxygen sensor and instruction sheet for installation guidance

Technical Details and Compatibility

The Delphi ES20043 oxygen sensor features a heated element that allows it to reach operating temperature quickly, improving sensor response time and reducing emissions during cold starts. The 4-wire design supports both the sensor signal and heater circuit, ensuring consistent performance. Its round connector and 18 x 1.5 mm thread size are tailored for direct replacement in vehicles such as the Chrysler Sebring, Dodge Avenger, Jeep Grand Cherokee, and Mitsubishi Eclipse. The 600 mm overall length accommodates front position installations, including front left and front right locations, depending on your vehicle's specific requirements.

Applications and Problem Resolution

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces engine misfires and rough idling caused by faulty oxygen sensors
• Supports emission system compliance by accurately monitoring exhaust gases
• Prevents check engine light triggers related to oxygen sensor faults
• Improves fuel economy by providing precise feedback to the engine control unit

Installation Notes and Tips

When installing the Delphi ES20043 oxygen sensor, ensure the engine is cool to avoid burns. Use the included instruction sheet for guidance on connector alignment and torque specifications. Verify the sensor position matches your vehicle’s front, front left, or front right location to ensure proper fitment. It is recommended to inspect the wiring harness and connector for damage before installation to prevent electrical issues.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM standards for durability and performance. The ES20043 part number undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects to provide confidence in product quality.