Delphi ES20200 Oxygen Sensor - Front or Front Right

Delphi ES20200 Heated Oxygen Sensor Overview

The Delphi ES20200 is a heated oxygen sensor designed for precise emission control in Dodge and Jeep vehicles. Engineered to meet OEM specifications, this sensor ensures accurate air-fuel mixture readings for optimal engine performance.

• Heated sensor type for faster warm-up and improved efficiency
• 4-wire configuration for reliable signal transmission
• Square 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
• Positioned for front or front right placement depending on vehicle requirements

Technical Details and Compatibility

The Delphi ES20200 oxygen sensor features a heated element that allows it to reach operating temperature quickly, reducing emissions during cold starts. Its 4-wire design supports both the sensor signal and heater circuit, ensuring consistent performance. The square connector shape matches factory wiring harnesses on compatible vehicles, preventing connection issues. With a thread size of 18 x 1.5 mm and an overall length of 465.0 mm, this sensor fits precisely in the designated front or front right position on Dodge Ram 1500 and Jeep Grand Cherokee models. The included instruction sheet provides detailed installation steps to assist technicians and DIY installers.

Common Applications and Problem Resolution

• Helps correct inaccurate oxygen readings that cause poor fuel economy
• Addresses rough idling and engine hesitation related to faulty sensors
• Reduces increased emissions by maintaining proper air-fuel ratios
• Prevents check engine light triggers related to oxygen sensor faults
• Supports smooth engine performance and compliance with emission standards

Installation Notes and Tips

• Verify sensor position (front or front right) specific to your Dodge Ram 1500 or Jeep Grand Cherokee before installation
• Use proper tools to avoid damaging the 18 x 1.5 mm threaded fitting
• Ensure the square connector is fully seated to maintain electrical integrity
• Follow the included instruction sheet carefully for torque specifications and wiring connections
• Allow the engine to cool before sensor removal to prevent injury or damage

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet strict quality standards and OEM specifications. The ES20200 part number undergoes rigorous testing to ensure durability and accurate sensor response. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship to provide confidence in product reliability.