Delphi ES20412 Oxygen Sensor - Front

Delphi ES20412 Heated Oxygen Sensor Overview

The Delphi ES20412 is a heated oxygen sensor designed for precise emission control in Mitsubishi vehicles. Specifically engineered for front position installation, this sensor supports models like the Mitsubishi Eclipse and Galant, ensuring accurate air-fuel mixture readings for optimal engine performance.

• Heated sensor type for faster warm-up and improved efficiency
• Four-wire design for reliable signal transmission
• Square connector shape for secure and proper fitment
• Thread size of 18 x 1.5 mm compatible with specified Mitsubishi models
• Overall length of 490.0 mm for correct positioning
• Includes oxygen sensor and instruction sheet

Technical Details and Compatibility

The Delphi ES20412 oxygen sensor features a heated element that allows the sensor to reach operating temperature quickly, reducing emissions during cold starts. Its four-wire configuration supports both the sensor signal and heater circuit, enhancing durability and responsiveness. The square connector shape ensures a secure electrical connection, minimizing the risk of disconnection or signal loss. With a thread size of 18 x 1.5 mm, this sensor fits the front position on Mitsubishi Eclipse and Galant models, providing accurate oxygen level readings to the engine control unit (ECU).

Applications and Problem Solving

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces engine misfires and rough idling caused by faulty oxygen sensors
• Improves fuel economy by providing accurate feedback to the ECU
• Assists in lowering harmful emissions to meet regulatory standards
• Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Delphi ES20412 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct thread size (18 x 1.5 mm) to avoid cross-threading. Verify the square connector matches the vehicle’s wiring harness for proper connection. Follow the included instruction sheet for torque specifications and wiring details. Proper installation in the front position is critical for accurate sensor readings and optimal engine performance.

Quality Assurance and Warranty

Delphi manufactures the ES20412 oxygen sensor to meet OEM standards for fit, form, and function. While specific warranty details are not provided here, Delphi products typically undergo rigorous testing to ensure reliability and durability in emission control applications. For warranty information, refer to the product packaging or contact the manufacturer directly.