Delphi ES20408 Oxygen Sensor - Rear

Delphi ES20408 Oxygen Sensor Overview

The Delphi ES20408 is a heated oxygen sensor designed specifically for the rear position on Honda CR-V models. This sensor plays a critical role in monitoring exhaust gases to optimize engine performance and emissions control.

• Heated sensor type for faster response times
• 4-wire configuration ensuring accurate signal transmission
• Square connector shape for secure and proper fitment
• Thread size of 18 x 1.5 mm compatible with Honda CR-V exhaust systems
• Overall length of 335.0 mm for precise installation
• Includes oxygen sensor and instruction sheet for installation guidance

Detailed Product Description

The Delphi ES20408 oxygen sensor is engineered to meet the specific requirements of the Honda CR-V rear exhaust system. Featuring a heated sensor element, it quickly reaches optimal operating temperature, providing reliable and accurate oxygen level readings. The 4-wire design supports both the sensor signal and heater circuit, improving sensor durability and performance. Its square connector shape and 18 x 1.5 mm thread size ensure a proper and secure fit, minimizing installation issues. With an overall length of 335.0 mm, this sensor fits precisely in the designated rear position, maintaining OEM standards.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces harmful emissions by providing accurate feedback to the engine control unit
• Prevents check engine light triggers related to oxygen sensor faults
• Improves fuel economy by optimizing engine performance
• Addresses rough idling or poor acceleration caused by faulty sensors

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate tools to avoid damaging the sensor or threads
• Apply anti-seize compound on threads if recommended by manufacturer
• Verify connector shape matches the vehicle harness before installation
• Follow the included instruction sheet for proper torque specifications

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet strict quality standards and OEM specifications. The ES20408 part number undergoes rigorous testing to ensure durability and accurate performance in emission control systems. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship to provide confidence in product reliability.