Delphi ES20362 Oxygen Sensor - Center or Rear

Delphi Heated Oxygen Sensor for Mazda 2, 3, and 6

The Delphi ES20362 oxygen sensor is designed to provide accurate emissions control for select Mazda models. This heated oxygen sensor helps maintain optimal engine performance and fuel efficiency by monitoring exhaust gases precisely.

• Heated sensor type for faster warm-up and accurate readings
• 4-wire design ensuring reliable electrical connections
• Square connector shape for secure fitment
• Thread size of 18 x 1.5 mm compatible with specified Mazda models
• Overall length of 850 mm for proper installation
• Includes oxygen sensor and instruction sheet for installation guidance
• Positioned for center and rear locations depending on vehicle configuration

Product Details and Specifications

The Delphi ES20362 oxygen sensor features a heated element that allows the sensor to reach operating temperature quickly, improving emission control accuracy shortly after engine start. Its 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance. The square connector shape is designed to match factory wiring harnesses on Mazda 2, Mazda 3, and Mazda 6 models, simplifying installation. With a thread size of 18 x 1.5 mm and an overall length of 850 mm, this sensor fits precisely in the designated exhaust system locations, typically center or rear positions depending on the vehicle's exhaust layout. The package includes the oxygen sensor and an instruction sheet to assist with proper installation.

Compatible Vehicles and Applications

This oxygen sensor is compatible with the following Mazda models:

• Mazda 2
• Mazda 3
• Mazda 6

For exact sensor positioning and fitment, refer to your vehicle’s service manual or consult a professional technician.

Common Issues Addressed by the Delphi ES20362 Oxygen Sensor

• Incorrect air-fuel mixture readings causing poor fuel economy
• Check engine light triggered by faulty oxygen sensor signals
• Increased emissions due to sensor degradation
• Engine performance issues such as rough idling or hesitation
• Failed emissions tests related to sensor malfunction

Installation Notes and Tips

• Ensure the engine and exhaust system are cool before installation
• Use anti-seize compound on the sensor threads if recommended by the manufacturer
• Verify the connector shape matches the vehicle harness before installation
• Follow torque specifications to avoid damage to the sensor or exhaust manifold
• Consult the included instruction sheet for detailed installation steps

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM standards for durability and performance. The ES20362 part number undergoes rigorous testing to ensure reliable operation under various driving conditions. Warranty coverage details should be confirmed with the point of purchase or Delphi directly, as terms may vary.