Delphi ES20114 Oxygen Sensor - Front, Rear or Rear Left

Delphi ES20114 Heated Oxygen Sensor Overview

The Delphi ES20114 is a heated oxygen sensor designed for precise emission control in select Acura, Honda, and Saturn vehicles. This sensor helps maintain optimal engine performance and reduces harmful emissions by accurately monitoring oxygen levels in the exhaust system.

• Heated sensor type for faster warm-up and improved accuracy
• Four-wire design ensuring reliable electrical connections
• Square connector shape for secure fitment
• Thread size of 18 x 1.5 mm compatible with specified vehicle models
• Overall length of 530.0 mm for proper installation
• Includes oxygen sensor and instruction sheet for installation guidance
• Position-specific fitment: front, rear, or rear left depending on vehicle requirements

Detailed Product Description

The Delphi ES20114 oxygen sensor features a heated element that allows the sensor to reach operating temperature quickly, improving fuel efficiency and emission control. Its four-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance. The square connector shape and 18 x 1.5 mm thread size are engineered to match the OEM specifications for Acura, Honda, and Saturn models such as the Accord, Civic, CL, MDX, Odyssey, Pilot, Ridgeline, RL, TL, and Vue. With an overall length of 530 mm, this sensor fits precisely in the designated exhaust locations, whether front, rear, or rear left, depending on the vehicle's design.

Common Applications and Issues Addressed

• Helps resolve rough idling caused by incorrect air-fuel mixture readings
• Reduces engine hesitation and poor acceleration linked to faulty oxygen sensors
• Prevents increased emissions and failed emissions tests
• Addresses check engine light triggers related to oxygen sensor faults
• Improves fuel economy by providing accurate exhaust gas data to the engine control unit

Installation Notes and Tips

• Ensure the sensor position matches the vehicle’s specified location (front, rear, or rear left)
• Use proper tools to avoid damaging the 18 x 1.5 mm threaded fitting
• Disconnect the battery before installation to prevent electrical shorts
• Follow the included instruction sheet carefully for wiring and connector alignment
• Verify sensor connector securely clicks into place to avoid signal interruptions

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet or exceed OEM standards for durability and performance. The ES20114 part number 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 to support long-term use in Acura, Honda, and Saturn vehicles.