Delphi ES20328 Oxygen Sensor - Front, Front Left, Front Right or Rear

Delphi ES20328 Heated Oxygen Sensor Overview

The Delphi ES20328 is a heated oxygen sensor designed for precise emission control in select Ford, Lincoln, Mazda, and Mercury vehicles. Engineered with a 4-wire configuration and a round connector shape, this sensor ensures accurate air-fuel mixture readings for optimal engine performance.

• Heated oxygen sensor with 4 wires for fast response
• Round connector shape for secure and reliable connection
• Thread size of 18 x 1.5 mm for direct fitment
• Overall length of 280.0 mm to match OEM specifications
• Includes oxygen sensor and instruction sheet for installation guidance
• Compatible with front and rear positions, including front left and right

Technical Details and Compatibility

The Delphi ES20328 oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving emission control efficiency. Its 4-wire setup supports both sensor heating and signal transmission, enhancing durability and accuracy. The round connector shape and 18 x 1.5 mm thread size ensure a precise fit in the exhaust system. With an overall length of 280 mm, this sensor fits correctly in the designated mounting locations.

This oxygen sensor is compatible with a range of Ford, Lincoln, Mazda, and Mercury models, including the Ford F-150, Explorer, Ranger, Expedition, and E-350 Super Duty, as well as the Lincoln Navigator and Mark LT, Mazda B2300, B3000, B4000, and Mercury Mountaineer, Freestar, and Windstar. The ES20328 part number is designed to meet the specific emission control requirements of these vehicles.

Common Applications and Problem Resolution

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces harmful emissions by providing accurate oxygen level data
• Prevents engine performance issues related to faulty sensors
• Addresses check engine light triggers caused by oxygen sensor faults
• Improves fuel economy by ensuring optimal sensor operation

Installation Notes and Tips

When installing the Delphi ES20328 oxygen sensor, ensure the vehicle is cooled down to avoid burns. Use the included instruction sheet for guidance on sensor placement and wiring connections. Verify the thread size matches the exhaust port to prevent leaks. It is recommended to use anti-seize compound on the threads to facilitate future removal. Confirm the sensor position (front or rear) matches the vehicle’s requirements for proper function.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM standards for durability and performance. The ES20328 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, providing confidence in the sensor’s long-term functionality.