Delphi ES10456 Oxygen Sensor

Delphi ES10456 Heated Oxygen Sensor Overview

The Delphi ES10456 is a heated oxygen sensor designed for precise emission control in select Infiniti, Mercury, and Nissan vehicles. This sensor helps maintain optimal engine performance and fuel efficiency by accurately monitoring exhaust oxygen levels.

• Heated sensor type for faster response times
• Three-wire design with a flat connector shape
• Thread size of 18 x 1.5 mm for secure fitment
• Overall length of 450 mm for proper installation
• Includes oxygen sensor and instruction sheet
• Compatible with front and upstream positions

Technical Details and Compatibility

The Delphi ES10456 oxygen sensor features a heated element that allows it to reach operating temperature quickly, improving sensor accuracy and reducing emissions during cold starts. Its three-wire configuration supports both signal and heater circuits, ensuring reliable data transmission to the engine control unit. The flat connector shape simplifies installation and connection, while the 18 x 1.5 mm thread size matches OEM specifications for a secure fit. With an overall length of 450 mm, this sensor fits properly in the exhaust system without strain.

This oxygen sensor is compatible with a range of Infiniti, Mercury, and Nissan models, including the Infiniti I30, Q45, and QX4; Mercury Villager; and Nissan 200SX, 300ZX, Frontier, G20, Maxima, NX, Pathfinder, Quest, Sentra, and Xterra. It is designed for front, front left, front right, left, rear, right, and upstream positions, making it a versatile replacement part for emission control systems.

Common Applications and Issues Addressed

• Helps correct inaccurate air-fuel mixture readings
• Reduces engine misfires caused by faulty oxygen sensors
• Improves fuel economy by optimizing combustion
• Prevents increased emissions and failed emissions tests
• Resolves check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Delphi ES10456 oxygen sensor, ensure the engine and exhaust system are cool to avoid burns. Use the included instruction sheet for guidance on proper torque specifications and connector alignment. Verify the sensor’s position matches the original location (front or upstream) to maintain accurate readings. It is recommended to inspect wiring and connectors for damage before installation to ensure reliable operation.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet or exceed OEM standards for durability and performance. The ES10456 part number undergoes rigorous testing to ensure consistent sensor output and heater function. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship, providing confidence in the sensor’s reliability for emission control applications.