Delphi ES20205 Oxygen Sensor - Front

Brand Delphi ES20205
Position Front
Connector Shape Square
Overall Length 375.0
Package Contents Oxygen Sensor, Instruction Sheet
Sensor Type Heated
Thread Size 18 x 1.5 mm
Wire Quantity 4
Fits Honda · 4 vehicles

Heated sensor. Helps the oxygen sensor reach operating temperature quickly.

Square connector. Designed for a secure electrical connection.

OE heritage. Built with 100 years of OE experience.

Cross-references Bosch 13256, Bosch 13377 and DENSO Auto Parts 234-4727 for the same application. See all 13.

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Delphi ES20205 Oxygen Sensor for Honda

Delphi ES20205 is a heated front oxygen sensor built for precise exhaust feedback on select Honda applications. It fits 2000-2002 Honda Accord, front and 2001 Honda Odyssey, front, making it a direct replacement for common drivability and emissions service needs.

Key Features

  • Heated oxygen sensor for faster operating temperature and stable signal output
  • 4-wire design with square connector shape
  • 18 x 1.5 mm thread size for the specified application
  • Overall length: 375.0
  • Includes oxygen sensor and instruction sheet
  • Front position fitment for select Honda Accord and Honda Odyssey models

Detailed Description

Delphi ES20205 is an OE-style oxygen sensor backed by Delphi’s century of original-equipment experience and supplier knowledge. Built for the front exhaust position, this heated sensor helps the engine control system monitor exhaust oxygen content so the vehicle can maintain proper air-fuel control and emissions performance. It is a direct fit for 2000-2002 Honda Accord, front and 2001 Honda Odyssey, front applications. This part cross-references Bosch (e.g., 13256, 13377) for the same application.

What It Helps Address

  • Check engine light related to oxygen sensor performance
  • Rough idle or inconsistent fuel mixture control
  • Failed emissions inspection tied to front sensor output
  • Reduced fuel economy caused by inaccurate exhaust feedback
  • Slow sensor response during warm-up

Installation Notes and Tips

Verify the connector shape, wire count, thread size, and front position before installation. Compare the original sensor length and connector style to confirm proper routing and fitment on the Honda Accord or Honda Odyssey application. Use care when removing the old sensor from the exhaust to avoid thread damage, and follow the included instruction sheet during installation.

Quality Assurance

Delphi builds aftermarket parts using OE heritage and engineering knowledge developed through long-term supplier relationships with major automakers. ES20205 is produced to support the fit, function, and service expectations of the listed Honda applications.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2002HondaAccordFront—
2001HondaAccordFront—
2001HondaOdysseyFront—
2000HondaAccordFront—
Directly replaces or cross-references 13 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Bosch — 13256Bosch — 13377DENSO Auto Parts — 234-4727NTK — 24582Walker Products — 250-24308138-66436531-P8C-A1136531-P8C-A21OS2057REA1160SG613SG1847SU5594