Delphi ES10931 Oxygen Sensor - Front Left or Front Right

Delphi Oxygen Sensor ES10931 Overview

The Delphi ES10931 oxygen sensor is designed for precise emission control in select Lexus and Toyota vehicles. Engineered with a 4-wire configuration and a square connector, this sensor ensures accurate air-fuel mixture readings for optimal engine performance.

• 4-wire oxygen sensor for reliable signal transmission
• Square connector shape for secure and proper fitment
• Thread size of 18 x 1.5 mm compatible with specified vehicles
• Overall length of 350.0 mm for correct installation depth
• Includes oxygen sensor and instruction sheet for installation guidance
• Position-specific fitment for front left and front right locations

Technical Details and Compatibility

The Delphi ES10931 oxygen sensor is specifically designed to fit front left and front right positions on various Lexus and Toyota models, including the Avalon, Camry, ES300, RAV4, Sienna, and Solara. Its 4-wire design supports heated sensor operation, improving response time and durability. The square connector shape ensures a secure electrical connection, reducing the risk of signal loss or corrosion. With a thread size of 18 x 1.5 mm and an overall length of 350.0 mm, this sensor matches OEM specifications for proper installation and function.

Common Applications and Problem Resolution

• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Addresses check engine light triggers caused by faulty oxygen sensors
• Improves fuel efficiency by providing accurate exhaust gas readings
• Reduces harmful emissions by enabling precise engine control
• Prevents rough idling and engine hesitation linked to sensor failure

Installation Notes and Tips

When installing the Delphi ES10931 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the included instruction sheet for guidance on sensor orientation and torque specifications. Verify the sensor position matches the front left or front right location as required by your Lexus or Toyota model. Properly connect the square connector to avoid electrical issues. It is recommended to inspect the wiring harness and clean the mounting threads before installation.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet strict OEM standards for durability and performance. The ES10931 part number undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects to provide confidence in product quality.