Delphi ES20214 Oxygen Sensor - Front, Front Left, Front Right or Rear Right

Delphi ES20214 Heated Oxygen Sensor Overview

The Delphi ES20214 is a heated oxygen sensor designed for precise emission control in select Hyundai and Kia vehicles. Engineered with a 4-wire configuration and a square connector shape, this sensor ensures accurate air-fuel mixture readings for optimal engine performance.

• Heated oxygen sensor with 4 wires for reliable operation
• Square connector shape for secure and proper fitment
• Thread size of 18 x 1.5 mm compatible with specified vehicles
• Overall length of 450.0 mm for correct installation depth
• Includes oxygen sensor and instruction sheet for installation guidance
• Compatible with front and rear positions: front left, front right, rear right

Technical Details and Compatibility

The Delphi ES20214 oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving sensor response time and reducing emissions during cold starts. Its 4-wire configuration supports both sensor heating and signal transmission, ensuring accurate oxygen level detection. The square connector shape and 18 x 1.5 mm thread size provide a secure and precise fit in the exhaust system. With an overall length of 450.0 mm, this sensor is designed to fit the exhaust ports of Hyundai Amanti, Optima, Santa Fe, Sonata, and Kia XG300 and XG350 models. The sensor is suitable for installation in front and rear right positions, depending on the vehicle's exhaust layout.

Applications and Problem Resolution

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces engine misfires caused by faulty oxygen sensor readings
• Prevents increased emissions and failed emissions tests
• Improves fuel economy by providing accurate feedback to the engine control unit
• Addresses check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Delphi ES20214 oxygen sensor, ensure the engine and exhaust system are cool to avoid burns. Use the included instruction sheet for proper wiring and torque specifications. Verify the sensor position matches the vehicle’s requirements—front left, front right, or rear right. Avoid damaging the sensor tip or wiring during installation. It is recommended to use anti-seize compound on the threads to facilitate future removal.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM specifications for durability and performance. The ES20214 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.