Delphi ES20380 Oxygen Sensor - Rear

Delphi ES20380 Heated Oxygen Sensor Overview

The Delphi ES20380 is a heated oxygen sensor designed specifically for the rear position on Honda CR-V models. This sensor helps maintain optimal engine performance and emissions control by accurately monitoring oxygen levels in the exhaust system.

• Heated sensor type for faster response times
• 4-wire configuration ensuring reliable signal transmission
• Square connector shape for secure and precise fitment
• Thread size of 18 x 1.5 mm compatible with Honda CR-V exhaust ports
• Overall length of 555.0 mm for proper installation depth
• Includes oxygen sensor and instruction sheet for installation guidance

Detailed Product Description

The Delphi ES20380 oxygen sensor is engineered to meet the specific requirements of the Honda CR-V's emission control system. Featuring a heated sensor element, it reaches operating temperature quickly, providing accurate oxygen level readings to the engine control unit (ECU). The 4-wire design supports both the sensor signal and heater circuit, improving sensor durability and performance. Its square connector shape ensures a secure electrical connection, reducing the risk of signal loss or corrosion. The 18 x 1.5 mm thread size matches OEM specifications, allowing for straightforward replacement without modification. With an overall length of 555.0 mm, this sensor fits precisely in the rear exhaust position, maintaining proper sensor placement for accurate emissions monitoring.

Common Applications and Issues Addressed

• Replacement for faulty or failing rear oxygen sensors on Honda CR-V models
• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Reduces emissions by providing accurate feedback to the ECU
• Prevents check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by ensuring proper combustion control

Installation Notes and Tips

• Ensure the vehicle is cooled down before sensor removal to avoid burns
• Use appropriate tools to avoid damaging the 18 x 1.5 mm thread
• Verify the square connector aligns correctly with the vehicle harness
• Follow the included instruction sheet for torque specifications and wiring checks
• Clear any diagnostic trouble codes after installation to reset the ECU

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet strict quality standards for durability and performance. The ES20380 part number undergoes rigorous testing to ensure compatibility with Honda CR-V emission systems. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects to provide confidence in product reliability.