Delphi ES10718 Oxygen Sensor - Rear

Delphi Heated Oxygen Sensor for Mazda Millenia ES10718

The Delphi ES10718 oxygen sensor is designed specifically for the rear position on Mazda Millenia models. This heated oxygen sensor features a 4-wire design and a square connector shape, ensuring precise fitment and reliable performance in emission control systems.

• Heated oxygen sensor type for faster response times
• 4-wire configuration for accurate signal transmission
• Square connector shape for secure electrical connection
• Thread size of 18 x 1.5 mm for proper installation
• Overall length of 1015.0 mm to reach rear exhaust location
• Includes oxygen sensor and instruction sheet for installation guidance

Product Details and Specifications

The Delphi ES10718 oxygen sensor is engineered to meet the emission control requirements of Mazda Millenia vehicles. Its heated sensor type allows the unit to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire design supports both the sensor signal and heater circuit, enhancing sensor durability and accuracy. The square connector shape ensures a secure and corrosion-resistant connection, while the 18 x 1.5 mm thread size matches factory specifications for straightforward installation. With an overall length of 1015.0 mm, this sensor is designed to fit the rear exhaust position precisely, maintaining optimal sensor placement for accurate exhaust gas readings.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for efficient engine performance
• Reduces emissions by providing accurate oxygen level data to the ECU
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel economy by enabling precise fuel injection adjustments
• Prevents rough idling and engine hesitation caused by faulty sensors

Installation Notes and Tips

When installing the Delphi ES10718 oxygen sensor on a Mazda Millenia, ensure the vehicle is cool to avoid burns. Use the correct 18 x 1.5 mm thread size socket to avoid damaging the sensor or exhaust manifold. Verify the square connector is fully seated and locked to prevent electrical issues. Follow the included instruction sheet for torque specifications and wiring connections. It is recommended to inspect the wiring harness and connector for damage before installation.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM standards for durability and performance. The ES10718 part number undergoes rigorous testing to ensure reliable operation in emission control systems. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship. Refer to the product documentation for exact warranty terms.