Delphi ES20045 Oxygen Sensor - Rear

Reliable Heated Oxygen Sensor for Chrysler, Dodge, Jeep, and Plymouth

The Delphi ES20045 oxygen sensor is designed to provide accurate emissions monitoring for select Chrysler, Dodge, Jeep, and Plymouth vehicles. This heated oxygen sensor ensures optimal engine performance and emissions control by delivering precise air-fuel mixture data to the engine control unit.

• Heated sensor type for faster response times
• 4-wire design for reliable electrical connections
• Round connector shape for secure fitment
• Thread size of 18 x 1.5 mm for proper installation
• Overall length of 400.0 mm to match factory specifications
• Includes oxygen sensor and instruction sheet
• Positioned for rear installation

Technical Details and Compatibility

The Delphi ES20045 oxygen sensor features a heated element that allows it to reach operating temperature quickly, improving sensor response and reducing emissions during cold starts. Its 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance. The round connector shape and 18 x 1.5 mm thread size are engineered to fit securely in the rear position of compatible vehicles. With an overall length of 400.0 mm, this sensor matches the OEM specifications for proper fitment and function.

This oxygen sensor is compatible with various models including the Chrysler Sebring and Stratus, Dodge Neon and PT Cruiser, as well as the Jeep Grand Cherokee and Plymouth vehicles. Using the Delphi ES20045 ensures your vehicle’s emission control system operates within manufacturer standards.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces engine misfires caused by faulty oxygen sensors
• Prevents increased emissions and failed emissions tests
• Improves fuel economy by providing accurate sensor data
• Resolves check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Delphi ES20045 oxygen sensor, ensure the engine is cool to avoid burns. Use an oxygen sensor socket or appropriate wrench to remove the old sensor carefully. Verify the thread size (18 x 1.5 mm) matches the mounting port. Connect the 4-wire harness securely to the round connector to prevent electrical issues. Follow the included instruction sheet for detailed installation guidance. After installation, clear any diagnostic trouble codes and verify sensor operation with a scan tool.

Quality Assurance and Warranty

Delphi manufactures the ES20045 oxygen sensor to meet or exceed OEM standards for durability and performance. Each sensor 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. Refer to the product documentation or contact the supplier for exact warranty terms.