Delphi ES20042 Oxygen Sensor - Rear Left or Rear Right

Delphi ES20042 Heated Oxygen Sensor Overview

The Delphi ES20042 is a heated oxygen sensor designed for precise emission control in Chrysler and Dodge vehicles. Specifically compatible with the Avenger and Sebring models, this sensor helps maintain optimal engine performance and emissions compliance.

• Heated sensor type for faster response times
• 4-wire configuration ensuring accurate signal transmission
• Round connector shape for secure and reliable connection
• Thread size of 18 x 1.5 mm for proper fitment
• Overall length of 1320 mm to accommodate vehicle-specific installation
• Includes oxygen sensor and instruction sheet for installation guidance
• Position-specific fitment for rear left and rear right locations

Technical Details and Compatibility

The Delphi ES20042 oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its 4-wire setup supports both the sensor signal and heater circuit, ensuring consistent performance. The round connector shape and 18 x 1.5 mm thread size are engineered to match the original equipment specifications for Chrysler Avenger and Dodge Sebring models. With an overall length of 1320 mm, this sensor fits the rear left or rear right positions, depending on your vehicle's requirements.

Common Applications and Problem Resolution

• Helps correct inaccurate air-fuel mixture readings
• Reduces engine misfires related to faulty oxygen sensors
• Improves catalytic converter efficiency by providing accurate data
• Addresses check engine light triggers related to emission control
• Supports compliance with emission regulations for Chrysler Avenger and Dodge Sebring

Installation Notes and Tips

Before installation, verify the sensor position (rear left or rear right) specific to your vehicle. Use the included instruction sheet for guidance. Ensure the thread size matches the mounting port to avoid cross-threading. It is recommended to disconnect the battery before sensor replacement to prevent electrical issues. Proper torque specifications should be followed to secure the sensor without damage.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM standards for durability and performance. The ES20042 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.