Delphi ES20207 Oxygen Sensor - Rear

Delphi ES20207 Heated Oxygen Sensor Overview

The Delphi ES20207 is a heated oxygen sensor designed for rear position installation on select Chrysler and Dodge vehicles. Engineered to provide accurate air-fuel mixture readings, this sensor supports efficient emission control and optimal engine performance.

• Heated sensor type for faster warm-up and improved accuracy
• Four-wire design ensuring reliable electrical connections
• Round connector shape for secure fitment
• Thread size of 18 x 1.5 mm compatible with specified vehicle models
• Overall length of 520.0 mm for proper installation depth
• Includes oxygen sensor and instruction sheet for installation guidance

Technical Details and Compatibility

The Delphi ES20207 oxygen sensor features a heated element that allows the sensor to reach operating temperature quickly, reducing emissions during cold starts. Its four-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance. The round connector shape and 18 x 1.5 mm thread size are designed to match the rear oxygen sensor port on compatible vehicles. With an overall length of 520 mm, this sensor fits securely without modification.

This oxygen sensor is compatible with Chrysler and Dodge models including the Caravan, Grand Caravan, Town & Country, and Voyager. Using the correct sensor like the ES20207 helps maintain factory emission standards and engine efficiency.

Common Applications and Problem Resolution

• Replaces faulty or worn rear oxygen sensors in Chrysler Caravan and Dodge Grand Caravan
• Addresses engine performance issues related to incorrect air-fuel mixture readings
• Helps resolve check engine light codes related to oxygen sensor malfunction
• Improves fuel economy by providing accurate exhaust gas data
• Supports emission control compliance for Town & Country and Voyager models

Installation Notes and Tips

Before installation, ensure the vehicle is cooled down to avoid burns. Use the included instruction sheet for proper sensor orientation and torque specifications. The 18 x 1.5 mm thread size requires a compatible oxygen sensor socket for removal and installation. Verify connector compatibility with the vehicle’s wiring harness to ensure a secure electrical connection. It is recommended to inspect the wiring and harness for damage before installing the new sensor.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM specifications for durability and performance. The ES20207 part number undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship. Refer to the product documentation for exact warranty terms.