Delphi ES10383 Oxygen Sensor

Delphi ES10383 Heated Oxygen Sensor Overview

The Delphi ES10383 is a heated oxygen sensor designed for precise emission control in select Nissan vehicles. Engineered to meet OEM specifications, this upstream sensor helps maintain optimal air-fuel mixture for efficient engine performance and reduced emissions.

• Heated sensor type for faster warm-up and accurate readings
• Three-wire design with a flat connector shape for secure fitment
• Thread size of 18 x 1.5 mm compatible with Nissan D21, Pathfinder, and Pickup models
• Overall length of 1850 mm for proper installation depth
• Includes oxygen sensor and instruction sheet for installation guidance
• Positioned upstream to monitor exhaust gases before catalytic converter

Technical Details and Compatibility

The Delphi ES10383 oxygen sensor features a heated element that allows the sensor to reach operating temperature quickly, improving fuel efficiency and emissions control. Its three-wire configuration supports both sensor signal and heater circuit, ensuring reliable performance. The flat connector shape simplifies connection to the vehicle’s wiring harness, reducing installation errors. With a thread size of 18 x 1.5 mm and an overall length of 1850 mm, this sensor is designed specifically for upstream installation on Nissan D21, Pathfinder, and Pickup models, ensuring proper fit and function.

Applications and Problem Resolution

• Helps correct engine misfires caused by inaccurate oxygen readings
• Reduces rough idling and poor fuel economy linked to faulty sensors
• Prevents increased emissions by maintaining proper air-fuel ratio
• Addresses check engine light triggers related to oxygen sensor faults
• Supports catalytic converter efficiency by providing accurate exhaust data

Installation Notes and Tips

Before installation, ensure the engine is cool to avoid burns. Use anti-seize compound on the sensor threads if not pre-applied to prevent seizing. Tighten the sensor to the manufacturer’s torque specifications to avoid damage. Verify the flat connector securely mates with the vehicle harness to prevent electrical issues. This sensor is intended for upstream placement, typically located before the catalytic converter on Nissan D21, Pathfinder, and Pickup models.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet strict quality standards and OEM specifications. The ES10383 part number undergoes rigorous testing to ensure durability and accurate sensor response. While specific warranty details may vary, Delphi products generally include coverage against defects in materials and workmanship, providing confidence in long-term performance.