HomeEmission Control > SensorsDelphi ES20205 Oxygen Sensor - Front
Part #: ES20205

Delphi ES20205 Oxygen Sensor - Front

Front
4 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Honda, Accord and Odyssey
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Delphi ES20205 Heated Oxygen Sensor Overview

The Delphi ES20205 is a heated oxygen sensor designed for precise emission control in select Honda vehicles. Engineered to meet OEM specifications, this sensor helps maintain optimal air-fuel mixture for efficient engine performance and reduced emissions.

  • Heated sensor type for faster warm-up and accurate readings
  • 4-wire design ensuring reliable electrical connections
  • Square connector shape for secure fitment
  • Thread size of 18 x 1.5 mm compatible with specified Honda models
  • Overall length of 375.0 mm for proper installation
  • Includes oxygen sensor and instruction sheet for installation guidance
  • Positioned for front placement in the exhaust system

Detailed Product Description

The Delphi ES20205 oxygen sensor is a heated sensor featuring a 4-wire configuration that supports both the sensor element and the heating circuit. This design allows the sensor to reach operating temperature quickly, improving emission control efficiency shortly after engine start. The square connector shape ensures a secure and stable electrical connection, reducing the risk of signal loss or sensor malfunction. With a thread size of 18 x 1.5 mm and an overall length of 375.0 mm, this sensor is engineered to fit the front position in the exhaust system of Honda Accord and Odyssey models. The package includes the oxygen sensor itself along with an instruction sheet to assist with proper installation.

Compatible Vehicles and Applications

This oxygen sensor is compatible with the following Honda vehicles:

  • Honda Accord (front oxygen sensor replacement)
  • Honda Odyssey (front oxygen sensor replacement)

It is designed to monitor oxygen levels in the exhaust gases, providing critical feedback to the engine control unit (ECU) for optimal fuel mixture adjustments.

Common Issues Addressed by the Delphi ES20205 Oxygen Sensor

  • Check engine light triggered by faulty oxygen sensor readings
  • Poor fuel economy due to incorrect air-fuel mixture
  • Increased emissions failing regulatory standards
  • Engine performance issues such as rough idling or hesitation
  • Failed emissions tests related to sensor malfunction

Installation Notes and Tips

When installing the Delphi ES20205 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the included instruction sheet for guidance on connector alignment and torque specifications. It is recommended to apply anti-seize compound on the sensor threads to facilitate future removal. Verify the sensor is installed in the front position of the exhaust system as specified for Honda Accord and Odyssey models.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The ES20205 part number is backed by Delphi's quality control processes. Please refer to Delphi's official warranty policy for specific coverage details.

BrandDelphi
Part NumberES20205
Connector ShapeSquare
Overall Length375.0
Package ContentsOxygen Sensor, Instruction Sheet
Position(s)Front
Sensor TypeHeated
Thread Size18 x 1.5 mm
Wire Quantity4

This part fits 4 vehicles. Search below:

YearMakeModelPositionNotes
2002HondaAccordFront
2001HondaAccordFront
2001HondaOdysseyFront
2000HondaAccordFront

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1325613377138-664234-472724582250-2430836531-P8C-A1136531-P8C-A21OS2057REA1160SG1847SG613SU5594

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.