Delphi ES20215 Oxygen Sensor - Front or Rear

Delphi ES20215 Heated Oxygen Sensor Overview

The Delphi ES20215 is a heated oxygen sensor designed for precise emission control in select Acura and Honda vehicles. Engineered to meet OEM specifications, this sensor supports optimal engine performance and reduced emissions for models like the Accord, Civic, and RSX.

• Heated sensor type for faster warm-up and accurate readings
• 4-wire design ensuring reliable signal transmission
• Square connector shape for secure and proper fitment
• Thread size of 18 x 1.5 mm compatible with specified vehicles
• Overall length of 540.0 mm for correct installation depth
• Includes oxygen sensor and instruction sheet for installation guidance
• Position-specific fitment for front or rear locations depending on vehicle

Technical Details and Compatibility

The Delphi ES20215 oxygen sensor features a heated element that allows it to reach operating temperature quickly, improving fuel efficiency and emissions control. Its 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance. The square connector shape and 18 x 1.5 mm thread size are designed to match factory specifications for Acura and Honda models, including the Accord, Civic, and RSX. The sensor’s overall length of 540 mm facilitates proper installation depth, critical for accurate exhaust gas measurement. This part number ES20215 is engineered to replace original equipment sensors in emission control systems, maintaining compliance with environmental standards.

Applications and Problem Resolution

• Helps resolve rough idling and engine hesitation caused by faulty oxygen sensors
• Reduces increased fuel consumption due to inaccurate air-fuel mixture readings
• Addresses check engine light triggers related to oxygen sensor faults
• Improves catalytic converter efficiency by providing accurate exhaust data
• Supports emission system compliance for Acura Accord, Honda Civic, and RSX models

Installation Notes and Tips

When installing the Delphi ES20215 oxygen sensor, ensure the vehicle is cooled down to avoid burns. Use the included instruction sheet for guidance on sensor positioning, as the sensor is position-specific (front or rear) depending on the vehicle model. Apply anti-seize compound to the threads if recommended by the vehicle manufacturer to prevent seizing. Verify the square connector is fully seated to avoid signal interruptions. Torque the sensor to the manufacturer’s specifications to ensure proper sealing and function.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The ES20215 part number undergoes rigorous testing for accuracy and longevity. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship. Refer to the product documentation or vehicle service provider for warranty terms applicable to this oxygen sensor.