Delphi ES20081 Oxygen Sensor

Delphi ES20081 Heated Oxygen Sensor Overview

The Delphi ES20081 is a heated oxygen sensor designed for precise emission control in select Dodge and Mitsubishi vehicles. Engineered with a 4-wire configuration and a square connector shape, this sensor ensures accurate air-fuel mixture readings for optimal engine performance.

• Heated oxygen sensor with 4 wires for reliable operation
• Square connector shape for secure and proper fitment
• Thread size of 18 x 1.5 mm compatible with specified vehicles
• Overall length of 675.0 mm for correct installation depth
• Includes oxygen sensor and instruction sheet for installation guidance
• Compatible with multiple positions: center, front, front left/right, rear, rear left/right

Technical Details and Compatibility

The Delphi ES20081 oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving sensor response time and reducing emissions during cold starts. Its 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance. The square connector shape and 18 x 1.5 mm thread size provide a secure fit in the exhaust system of compatible vehicles. With an overall length of 675.0 mm, this sensor fits precisely in the designated mounting locations.

This oxygen sensor is compatible with various Dodge and Mitsubishi models, including the Dodge 3000GT and Mitsubishi Diamante, Expo, Expo LRV, Mirage, Montero, Montero Sport, and Stealth. The ES20081 part number ensures you receive the correct sensor for these specific applications.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces engine misfires caused by faulty oxygen sensor readings
• Improves fuel economy by providing accurate feedback to the engine control unit
• Assists in lowering harmful emissions to meet environmental standards
• Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Delphi ES20081 oxygen sensor, ensure the engine and exhaust system are cool to avoid burns. Use the included instruction sheet for proper wiring and torque specifications. Verify the sensor’s position matches the original location—center, front, front left/right, or rear left/right—to maintain accurate sensor readings. It is recommended to use anti-seize compound on the threads to facilitate future removal.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM standards for durability and performance. The ES20081 undergoes rigorous testing to ensure reliable operation under various driving conditions. 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.