Delphi ES20148 Oxygen Sensor - Front, Front Left, Front Right or Rear

Delphi ES20148 Heated Oxygen Sensor Overview

The Delphi ES20148 is a heated oxygen sensor designed for precise emission control in select Chrysler, Dodge, and Mitsubishi vehicles. Engineered with a 4-wire configuration and a square connector shape, this sensor ensures accurate air-fuel mixture readings for optimal engine performance.

• Heated oxygen sensor with 4 wires for reliable operation
• Square connector shape for secure and proper fitment
• Thread size of 18 x 1.5 mm compatible with specified vehicles
• Overall length of 700 mm for versatile installation positions
• Includes oxygen sensor and instruction sheet for installation guidance
• Compatible with front, front left, front right, and rear positions

Technical Details and Compatibility

The Delphi ES20148 oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving sensor response time and reducing emissions during cold starts. Its 4-wire configuration supports both sensor signal and heater circuit, ensuring consistent performance. The square connector shape and 18 x 1.5 mm thread size provide a secure fit in the exhaust system. With an overall length of 700 mm, this sensor can be installed in multiple positions including front, front left, front right, and rear, depending on vehicle requirements.

This oxygen sensor is compatible with various Chrysler, Dodge, and Mitsubishi models such as the Chrysler Sebring and Stratus, Dodge Eclipse and Endeavor, and Mitsubishi Lancer, Galant, Mirage, Diamante, and Montero. The part number ES20148 should be referenced to confirm fitment for specific model years and engine configurations.

Common Applications and Problem Resolution

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces engine misfires caused by faulty oxygen sensor readings
• Improves fuel economy by providing accurate feedback to the engine control unit
• Prevents increased emissions and potential failed emissions tests
• Addresses check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Delphi ES20148 oxygen sensor, ensure the engine and exhaust system are cool to avoid burns. Use the included instruction sheet for guidance on proper torque specifications and connector engagement. Verify the sensor’s position matches the vehicle’s required location (front, front left, front right, or rear). It is recommended to inspect the wiring harness and connector for damage before installation to ensure reliable sensor operation.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM specifications for durability and performance. The ES20148 part undergoes rigorous testing to ensure accurate sensor output and heater function. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship. Refer to the product documentation or supplier for exact warranty terms.