Delphi ES20078 Oxygen Sensor - Left, Rear or Right

Delphi ES20078 Heated Oxygen Sensor Overview

The Delphi ES20078 is a heated oxygen sensor designed for precise emission control in select Dodge and Mitsubishi vehicles. Engineered to meet OEM specifications, this sensor supports optimal engine performance and reduced emissions for models like the Dodge 3000GT and Mitsubishi Eclipse.

• 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 vehicles
• Overall length of 385.0 mm for proper installation
• Includes oxygen sensor and instruction sheet for installation guidance
• Position-specific fitment: front left, rear right, and other designated locations

Technical Details and Compatibility

The Delphi ES20078 oxygen sensor features a heated element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. 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 are designed to match factory specifications for a secure and leak-free installation. With an overall length of 385.0 mm, this sensor fits precisely in the designated positions on compatible vehicles.

This oxygen sensor is compatible with various Dodge and Mitsubishi models, including the Dodge 3000GT and Mitsubishi Eclipse, Stealth, and Diamante. The part number ES20078 ensures you receive the correct sensor for these specific applications.

Common Applications and Problem Resolution

• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Addresses check engine light triggers caused by faulty oxygen sensors
• Improves fuel economy by providing accurate exhaust gas readings
• Reduces harmful emissions by enabling proper catalytic converter function
• Prevents rough idling and hesitation during acceleration

Installation Notes and Tips

When installing the Delphi ES20078 oxygen sensor, ensure the engine is cool to avoid burns. Use the included instruction sheet for guidance on sensor placement and torque specifications. Verify the sensor’s position matches the vehicle’s designated location (front left, rear right, etc.) to maintain proper emission control. It is recommended to inspect wiring and connectors for damage before installation to ensure optimal sensor performance.

Quality Assurance and Warranty

Delphi manufactures the ES20078 oxygen sensor to meet strict quality standards, ensuring durability and reliable operation. This sensor undergoes rigorous testing to comply with OEM requirements. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects to provide confidence in product longevity and performance.