Delphi ES20075 Oxygen Sensor - Rear Left

Delphi ES20075 Heated Oxygen Sensor Overview

The Delphi ES20075 is a heated oxygen sensor designed for precise emission control in select Chevrolet and GMC trucks and SUVs. Engineered to meet OEM specifications, this sensor ensures accurate air-fuel mixture readings for optimal engine performance and reduced emissions.

• Heated sensor type for faster response times
• 4-wire design with square connector shape
• Thread size: 18 x 1.5 mm for secure fitment
• Overall length of 550.0 mm for proper installation
• Positioned for rear left installation
• Includes oxygen sensor and instruction sheet

Technical Details and Compatibility

The Delphi ES20075 oxygen sensor features a heated element that allows it to reach operating temperature quickly, improving sensor response and fuel management accuracy. Its 4-wire configuration supports both the sensor signal and heater circuit, ensuring reliable operation. 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 550 mm, this sensor is designed for rear left placement on compatible vehicles.

This oxygen sensor is compatible with a range of Chevrolet and GMC models, including Chevrolet Silverado 1500 HD, 2500, 2500 HD, 3500, Suburban 2500, and GMC Sierra 1500 HD, 2500, 2500 HD, 3500, Yukon, Yukon XL 1500, and Yukon XL 2500. The part number ES20075 ensures you receive the correct sensor for these specific applications.

Common Applications and Problem Resolution

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces emissions by providing accurate oxygen level data
• Prevents engine performance issues related to faulty sensors
• Addresses check engine light triggers related to oxygen sensor faults
• Improves fuel economy by enabling precise engine control

Installation Notes and Tips

When installing the Delphi ES20075 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the included instruction sheet for guidance on proper torque specifications and connector engagement. Verify the sensor is installed in the rear left position as specified. It is recommended to inspect the wiring harness and connector for damage before installation to ensure reliable sensor operation.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet strict quality standards and OEM requirements. The ES20075 part number undergoes rigorous testing to ensure durability and accurate 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 product reliability.