Delphi ES20382 Oxygen Sensor - Front

Delphi ES20382 Heated Oxygen Sensor Overview

The Delphi ES20382 is a heated oxygen sensor designed for precise emission control in select Chevrolet and GMC vehicles. Engineered with a 4-wire configuration and a triangle-shaped connector, this sensor ensures accurate readings and reliable performance in demanding conditions.

• Heated oxygen sensor with 4 wires for efficient operation
• Triangle-shaped connector for secure and proper fitment
• Thread size of 18 x 1.5 mm for compatibility with specified vehicles
• Overall length of 250.0 mm to match OEM specifications
• Includes oxygen sensor and instruction sheet for installation guidance
• Positioned for front installation in exhaust system

Technical Details and Compatibility

The Delphi ES20382 oxygen sensor features a heated design that allows it to reach optimal operating temperature quickly, improving fuel efficiency and reducing emissions. Its 4-wire setup supports both sensor heating and signal transmission, enhancing responsiveness and durability. The triangle-shaped connector ensures a secure electrical connection, minimizing the risk of disconnection or signal loss. With a thread size of 18 x 1.5 mm and an overall length of 250.0 mm, this sensor is engineered to fit front exhaust positions on Chevrolet Corvette, Chevrolet HHR, GMC Express 3500, and GMC Savana 3500 models.

Applications and Problem Resolution

This oxygen sensor is used to monitor the oxygen levels in the exhaust gases, providing critical data to the engine control unit (ECU) for optimal air-fuel mixture adjustments. It helps address issues such as:

• Inaccurate air-fuel ratio readings leading to poor fuel economy
• Increased emissions due to faulty sensor signals
• Check engine light triggered by oxygen sensor faults
• Engine performance problems related to improper combustion
• Failed emissions tests caused by sensor malfunction

Installation Notes and Tips

When installing the Delphi ES20382 oxygen sensor, ensure the vehicle is cooled down to avoid burns. Use the correct tools to remove the old sensor and avoid damaging the thread during installation. Confirm the triangle-shaped connector is properly seated to maintain electrical integrity. Follow the included instruction sheet for torque specifications and wiring connections. Proper installation in the front exhaust position is critical for accurate sensor operation.

Quality Assurance and Warranty

Delphi manufactures the ES20382 oxygen sensor to meet OEM standards for fit, form, and function. Each sensor undergoes rigorous testing to ensure durability and reliable performance under various operating conditions. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship to provide confidence in the product's longevity.