Delphi ES20049 Oxygen Sensor - Rear

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

The Delphi ES20049 oxygen sensor is designed to provide accurate emissions monitoring for select Chrysler, Dodge, and Plymouth models. This heated oxygen sensor ensures optimal engine performance and emissions control by delivering precise air-fuel mixture data to the vehicle's engine management system.

• Heated sensor type for faster warm-up and improved accuracy
• Four-wire design for reliable electrical connections
• Round connector shape for secure fitment
• Thread size of 18 x 1.5 mm compatible with specified vehicles
• Overall length of 910.0 mm for proper installation
• Includes oxygen sensor and instruction sheet for installation guidance
• Positioned for rear placement in the exhaust system

Technical Details and Compatibility

The Delphi ES20049 oxygen sensor features a heated element that allows the sensor to reach operating temperature quickly, improving emissions control during cold starts. Its four-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 match the rear oxygen sensor port on compatible vehicles. With an overall length of 910 mm, this sensor fits securely without strain on wiring or connectors.

This oxygen sensor is compatible with a range of Chrysler, Dodge, and Plymouth models, including the Caravan, Grand Caravan, Grand Voyager, Neon, Town & Country, and Voyager. The Delphi ES20049 part number ensures you receive the correct sensor designed specifically for these vehicles.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces emissions by providing accurate feedback to the engine control unit
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel economy by optimizing engine performance
• Prevents rough idling and engine hesitation caused by faulty sensors

Installation Notes and Tips

• Ensure the vehicle is cooled down before sensor removal to avoid burns
• Use appropriate oxygen sensor socket or wrench for installation
• Apply anti-seize compound on threads if not pre-coated to prevent seizing
• Verify connector shape matches the vehicle harness before installation
• Follow the included instruction sheet for proper wiring and positioning

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM specifications, ensuring reliable performance and durability. The ES20049 sensor undergoes rigorous testing to comply with emissions standards. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects to provide confidence in product quality.