Delphi ES20113 Oxygen Sensor

Delphi ES20113 Heated Oxygen Sensor Overview

The Delphi ES20113 is a heated oxygen sensor designed for precise emission control in a variety of General Motors and other vehicle models. Engineered with a 4-wire configuration and a square connector shape, this sensor ensures reliable performance and accurate air-fuel mixture readings.

• Heated oxygen sensor with 4 wires for fast response
• Square connector shape for secure and proper fitment
• Thread size of 18 x 1.5 mm compatible with multiple GM vehicles
• Overall length of 310.0 mm for correct installation depth
• Includes oxygen sensor and instruction sheet for installation guidance
• Compatible with front and rear positions on select models

Technical Details and Compatibility

The Delphi ES20113 oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire setup includes two wires for the heater circuit and two for the sensor signal, ensuring accurate oxygen level detection. Its square connector shape and 18 x 1.5 mm thread size provide a secure fit in the exhaust system. With an overall length of 310 mm, this sensor fits properly in the exhaust manifold or pipe, depending on the vehicle's configuration.

This sensor is compatible with a wide range of vehicles including Buick, Cadillac, Chevrolet, GMC, Isuzu, Oldsmobile, Pontiac, Saab, Saturn, and Suzuki models. Specific fitment includes popular vehicles such as the Chevrolet Camaro, Equinox, Colorado, and Traverse; GMC Canyon and Envoy; Cadillac CTS and SRX; Buick Enclave and Rainier; as well as Isuzu Ascender and Suzuki XL-7.

Common Applications and Problem Resolution

• Replaces faulty or failing oxygen sensors causing poor fuel economy
• Resolves check engine light issues related to oxygen sensor faults
• Improves engine performance by providing accurate air-fuel ratio data
• Helps reduce harmful emissions for compliance with environmental standards
• Prevents rough idling and engine hesitation caused by sensor malfunction

Installation Notes and Tips

When installing the Delphi ES20113 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’s position matches the original location—front, front left, front right, rear, rear left, or rear right—to maintain accurate readings. It is recommended to use anti-seize compound on the threads to facilitate future removal but avoid contaminating the sensor tip.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet or exceed OEM specifications, ensuring durability and reliable operation. The ES20113 part number undergoes rigorous testing for performance and longevity. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship, providing confidence in the sensor’s quality and function.