Delphi ES20096 Oxygen Sensor - Front or Rear

Delphi ES20096 Heated Oxygen Sensor Overview

The Delphi ES20096 is a heated oxygen sensor designed for precise emission control in select GM vehicles. Engineered with a 4-wire configuration and a square connector, 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 GM models
• Overall length of 310.0 mm for correct installation depth
• Includes oxygen sensor and instruction sheet for installation guidance

Technical Details and Compatibility

The Delphi ES20096 oxygen sensor features a heated sensor type that allows for faster warm-up times and improved sensor responsiveness. Its 4-wire design supports both the sensor signal and heater circuit, ensuring consistent performance under various operating conditions. The square connector shape provides a secure electrical connection, reducing the risk of disconnection or signal loss. With a thread size of 18 x 1.5 mm and an overall length of 310.0 mm, this sensor is engineered to fit front or rear positions depending on the vehicle's specific requirements.

This oxygen sensor is compatible with a range of Buick, Chevrolet, GMC, Oldsmobile, Pontiac, and Saturn models, including but not limited to the Alero, Astro, Aura, Bonneville, Captiva Sport, Cavalier, Classic, Cobalt, Equinox, G6, Grand Am, Grand Prix, HHR, Impala, Ion, L100, L200, L300, LaCrosse, LeSabre, Lucerne, LW200, Malibu, Monte Carlo, Park Avenue, Regal, Safari, Sky, Solstice, Sunfire, Terrain, and Vue. For exact position fitment, refer to the vehicle’s service manual or Delphi’s fitment guide.

Common Applications and Problem Resolution

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces harmful emissions by providing accurate oxygen level data
• Prevents engine performance issues such as rough idling or hesitation
• Addresses check engine light triggers related to oxygen sensor faults
• Supports fuel economy by optimizing engine control unit adjustments

Installation Notes and Tips

When installing the Delphi ES20096 oxygen sensor, ensure the engine is cool to avoid burns. Use the correct socket size for the 18 x 1.5 mm thread to prevent damage to the sensor or exhaust manifold. Verify the sensor’s position (front or rear) according to your vehicle’s specifications. Connect the square connector securely to avoid electrical issues. It is recommended to apply anti-seize compound on the threads if not pre-applied, but avoid contaminating the sensor tip.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM standards for durability and performance. The ES20096 part number undergoes rigorous testing to ensure reliable operation in emission control systems. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship. Consult the product documentation or Delphi’s official resources for warranty terms applicable to this oxygen sensor.