Delphi ES20354 Oxygen Sensor

Delphi ES20354 Heated Oxygen Sensor Overview

The Delphi ES20354 is a heated oxygen sensor designed for precise emission control in various Chrysler, Dodge, Jeep, and Mercedes-Benz models. This sensor features a 4-wire configuration and a square connector shape, ensuring reliable performance and compatibility with multiple vehicle positions.

• Heated oxygen sensor for accurate exhaust gas monitoring
• 4-wire design for efficient sensor heating and signal transmission
• Square connector shape for secure and proper fitment
• Thread size of 18 x 1.5 mm for direct replacement
• Overall length of 500.0 mm to accommodate various installation points
• Includes oxygen sensor and instruction sheet for installation guidance
• Compatible with front and rear positions including front right, rear left, and rear right

Technical Details and Compatibility

The Delphi ES20354 oxygen sensor is engineered to meet OEM specifications for emission control systems. Its heated sensor type allows for faster activation and improved fuel efficiency by providing accurate oxygen level readings to the engine control unit. The 4-wire configuration supports both the sensor signal and the heating element, which helps maintain optimal sensor temperature under various operating conditions. The square connector shape ensures a secure electrical connection, reducing the risk of sensor failure due to loose contacts. With a thread size of 18 x 1.5 mm and an overall length of 500 mm, this sensor fits precisely in designated exhaust ports.

This oxygen sensor is compatible with a range of vehicles including Chrysler Avenger, Dodge Caliber, Jeep Wrangler, and several Mercedes-Benz models such as the C300, E350, GL450, and AMG variants like the CL63 AMG and ML63 AMG. It supports installation in multiple positions including front, front right, rear, rear left, and rear right, making it a versatile replacement part for emission control systems.

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 data
• Reduces harmful emissions by ensuring proper catalytic converter function
• Prevents rough idling and engine hesitation linked to sensor failure

Installation Notes and Tips

• Ensure the engine is cool before removing the old oxygen sensor to avoid burns
• Use the correct 18 x 1.5 mm thread size socket for sensor removal and installation
• Verify the sensor position (front or rear) matches the original sensor location
• Check the square connector for secure attachment to the vehicle wiring harness
• Follow the included instruction sheet for proper torque specifications and installation procedures

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet strict quality standards and OEM specifications. The ES20354 part number undergoes rigorous testing to ensure durability and reliable performance in emission control systems. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects to provide confidence in product longevity and function.