Delphi ES20050 Oxygen Sensor - Rear

Delphi ES20050 Heated Oxygen Sensor Overview

The Delphi ES20050 is a heated oxygen sensor designed for precise emission control in select Chrysler, Dodge, and Mitsubishi vehicles. Engineered with a 4-wire configuration and a flat connector shape, this sensor ensures accurate air-fuel mixture readings for optimal engine performance.

• Heated oxygen sensor with 4 wires for fast response
• Flat connector shape for secure and reliable connection
• Thread size of 18 x 1.5 mm for proper fitment
• Overall length of 630.0 mm to match rear sensor position
• Includes oxygen sensor and instruction sheet for installation guidance

Technical Details and Compatibility

The Delphi ES20050 oxygen sensor is specifically designed for rear position installation, making it compatible with Chrysler Avenger, Dodge Avenger, Mitsubishi Eclipse, and Chrysler Sebring models. The heated sensor type allows quicker warm-up times, improving emission control efficiency shortly after engine start. Its 4-wire design supports both sensor signal and heater circuit, ensuring consistent operation under various driving conditions. The flat connector shape simplifies installation and reduces the risk of connection issues, while the 18 x 1.5 mm thread size guarantees a secure fit in the exhaust system.

Common Applications and Problem Resolution

• Helps maintain proper air-fuel ratio for reduced emissions
• Addresses engine performance issues related to faulty oxygen sensors
• Prevents check engine light triggers caused by sensor failure
• Improves fuel efficiency by providing accurate exhaust gas data
• Supports compliance with emission regulations for compatible vehicles

Installation Notes and Tips

When installing the Delphi ES20050 oxygen sensor, ensure the vehicle is cooled down to avoid burns. Use the included instruction sheet for proper wiring and torque specifications. Verify the sensor is installed in the rear position as specified for Chrysler Avenger, Dodge Avenger, Mitsubishi Eclipse, or Chrysler Sebring models. Avoid over-tightening the 18 x 1.5 mm threaded sensor to prevent damage. Confirm the flat connector is securely attached to prevent electrical issues.

Quality Assurance and Warranty

Delphi oxygen sensors undergo rigorous testing to meet OEM standards for durability and performance. The ES20050 part number is backed by Delphi's quality assurance processes, ensuring reliable operation in emission control systems. Warranty coverage details should be confirmed at the point of purchase, as they may vary by distributor.