Delphi ES10688 Oxygen Sensor - Front Left

Delphi Heated Oxygen Sensor for Infiniti and Nissan Vehicles

The Delphi ES10688 oxygen sensor is designed to provide accurate emissions monitoring for select Infiniti and Nissan models. This heated oxygen sensor ensures optimal engine performance and emissions control by delivering precise air-fuel mixture data to the vehicle’s engine control unit.

• Heated sensor type for faster response times
• 3-wire configuration with a flat connector shape
• Thread size of 18 x 1.5 mm for secure installation
• Overall length of 915.0 mm for proper fitment
• Positioned for front left installation
• Includes oxygen sensor and instruction sheet

Technical Details and Compatibility

The Delphi ES10688 oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving sensor accuracy and reducing emissions during cold starts. Its 3-wire setup supports both signal and heater circuits, while the flat connector shape ensures a reliable electrical connection. The sensor’s thread size of 18 x 1.5 mm matches factory specifications for a secure fit in the exhaust manifold or pipe. With an overall length of 915.0 mm, this sensor is engineered to fit the front left position on compatible vehicles.

This oxygen sensor is compatible with Infiniti Pathfinder and Nissan QX4 models, providing a direct replacement for the original equipment part. Using the correct sensor helps maintain proper engine management and emissions compliance.

Common Applications and Issues Addressed

• Helps resolve rough idling caused by incorrect air-fuel mixture readings
• Reduces engine hesitation and poor acceleration linked to faulty oxygen sensors
• Prevents increased emissions and failed emissions tests
• Addresses check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by providing accurate feedback to the engine control unit

Installation Notes and Tips

When installing the Delphi ES10688 oxygen sensor, ensure the vehicle is cool to avoid burns. Use an oxygen sensor socket or appropriate wrench to remove the old sensor carefully. Verify the thread size and connector shape match the original sensor to ensure proper fitment. Apply anti-seize compound to the threads if recommended by the vehicle manufacturer, but avoid contaminating the sensor tip. Connect the wiring harness securely to the flat connector and confirm the sensor is positioned in the front left location as specified.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet or exceed OEM standards for durability and performance. The ES10688 part number undergoes rigorous testing to ensure reliable operation under various driving conditions. This sensor typically comes with a limited warranty covering defects in materials and workmanship, providing confidence in its long-term functionality.