Delphi ES20046 Oxygen Sensor - Front or Rear

Delphi ES20046 Heated Oxygen Sensor Overview

The Delphi ES20046 is a heated oxygen sensor designed for precise emission control in select Chrysler, Dodge, Jeep, and Plymouth vehicles. This sensor helps maintain optimal engine performance and fuel efficiency by accurately monitoring exhaust oxygen levels.

• Heated sensor type for faster warm-up and accurate readings
• Four-wire design ensures reliable signal transmission
• Round connector shape for secure and proper fitment
• Thread size of 18 x 1.5 mm compatible with specified vehicle models
• Overall length of 465.0 mm for correct installation depth
• Includes oxygen sensor and instruction sheet for installation guidance
• Compatible with front and rear positions depending on vehicle requirements

Detailed Product Description

The Delphi ES20046 oxygen sensor features a heated element that allows the sensor to reach operating temperature quickly, improving emission control system response time. Its four-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance. The round connector shape and standard 18 x 1.5 mm thread size provide a secure and precise fit for vehicles such as the Chrysler Sebring, Dodge Ram 1500, Jeep Grand Cherokee, and Plymouth Breeze. With an overall length of 465.0 mm, this sensor is designed to fit the exhaust system accurately, whether installed in the front or rear position as specified by the vehicle manufacturer.

Common Applications and Issues Addressed

• Helps reduce harmful emissions by providing accurate oxygen level data
• Improves fuel efficiency by optimizing air-fuel mixture
• Prevents engine performance issues related to faulty oxygen sensors
• Resolves check engine light triggers caused by sensor malfunctions
• Supports proper operation of catalytic converters in Chrysler, Dodge, Jeep, and Plymouth models

Installation Notes and Tips

• Verify sensor position (front or rear) according to your vehicle’s service manual
• Use appropriate tools to avoid damaging the 18 x 1.5 mm threaded sensor
• Ensure the connector is securely attached to prevent signal loss
• Follow the included instruction sheet for proper installation procedures
• Allow the engine to cool before removing the old sensor to avoid burns

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM specifications, ensuring reliable performance and durability. The ES20046 part number undergoes rigorous testing to comply with emission standards for Chrysler, Dodge, Jeep, and Plymouth vehicles. Warranty coverage details should be confirmed with the product documentation or supplier.