Delphi ES20369 Oxygen Sensor - Rear, Rear Left or Rear Right

Delphi ES20369 Heated Oxygen Sensor Overview

The Delphi ES20369 is a heated oxygen sensor designed for precise emission control in select Acura and Honda vehicles. Engineered with a 4-wire configuration and a square connector, 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 550.0 mm for correct installation depth
• Includes oxygen sensor and instruction sheet for installation guidance
• Position-specific fitment: rear, rear left, and rear right

Technical Details and Compatibility

The Delphi ES20369 oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving sensor response time and reducing emissions during cold starts. The 4-wire setup supports both the sensor signal and heater circuit, ensuring consistent performance. Its square connector shape and 18 x 1.5 mm thread size are engineered to match the rear oxygen sensor ports on compatible Acura and Honda models. With an overall length of 550.0 mm, this sensor fits precisely in the rear left or rear right positions, depending on the vehicle's configuration.

Compatible Acura and Honda Models

This oxygen sensor is compatible with a range of Acura and Honda vehicles, including the Acura MDX, RDX, RL, TL, ZDX, and the Honda Accord, Accord Crosstour, Crosstour, Odyssey, Pilot, Ridgeline, and TSX. The Delphi ES20369 is designed to meet the specific emission control requirements of these models, ensuring proper engine management and compliance with emission standards.

Common Applications and Issues Addressed

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

Installation Notes and Tips

When installing the Delphi ES20369 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the included instruction sheet for guidance on proper torque specifications and connector engagement. Verify the sensor position matches the rear, rear left, or rear right location as required by your specific Acura or Honda model. 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 standards for durability and performance. The ES20369 part number 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 to support long-term reliability in emission control applications.