HomeEmission Control > SensorsDelphi ES20063 Oxygen Sensor - Front, Rear or Rear Right
Part #: ES20063

Delphi ES20063 Oxygen Sensor - Front, Rear or Rear Right

Rear
35 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Honda, Acura, and Isuzu, Civic, S2000, Prelude, NSX, Oasis, and Odyssey
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Delphi ES20063 Heated Oxygen Sensor Overview

The Delphi ES20063 is a heated oxygen sensor designed for precise emission control in select Acura, Honda, and Isuzu vehicles. Engineered with a 4-wire configuration and a square connector shape, 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 650 mm for correct installation depth
  • Includes oxygen sensor and instruction sheet for installation guidance
  • Position-specific fitment: front, rear, and rear right locations

Technical Details and Compatibility

The Delphi ES20063 oxygen sensor features a heated element that allows it to reach operating temperature quickly, improving sensor response time and reducing emissions during cold starts. Its 4-wire design supports both the sensor signal and heater circuit, ensuring consistent performance. The square connector shape and 18 x 1.5 mm thread size provide a secure and precise fit in the exhaust system. With an overall length of 650 mm, this sensor is designed to fit the front, rear, or rear right positions depending on your vehicle's specific requirements.

This oxygen sensor is compatible with various Acura, Honda, and Isuzu models, including the Honda Civic, NSX, Odyssey, Prelude, S2000, and the Isuzu Oasis. Using the correct sensor like the Delphi ES20063 helps maintain proper engine management and emission control.

Common Applications and Issues Addressed

  • Helps regulate air-fuel mixture for efficient combustion
  • Reduces engine misfires caused by faulty oxygen sensors
  • Prevents increased emissions and failed emissions tests
  • Improves fuel economy by providing accurate sensor data
  • Resolves check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

  • Ensure the sensor is installed in the correct position (front, rear, or rear right) as specified for your vehicle model
  • Use proper tools to avoid damaging the 18 x 1.5 mm thread during installation
  • Follow the included instruction sheet carefully for wiring and connector alignment
  • Allow the engine to cool before removing the old sensor to prevent burns or damage
  • Verify connector shape matches the vehicle harness to ensure compatibility

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM specifications, ensuring reliable performance and durability. The ES20063 part number undergoes rigorous testing to comply with emission standards and vehicle requirements. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship to provide confidence in your purchase.

BrandDelphi
Part NumberES20063
Connector ShapeSquare
Overall Length650.0
Package ContentsOxygen Sensor, Instruction Sheet
Position(s)Front, Rear, Rear Right. For the position specific to your vehicle, refer to the Application tab.
Sensor TypeHeated
Thread Size18 x 1.5 mm
Wire Quantity4

This part fits 35 vehicles. Search below:

YearMakeModelSubmodelTransmissionPositionNotes
2005HondaCivicRear
2005HondaS2000Rear
2004HondaCivicRear
2004HondaS2000Rear
2003HondaCivicRear
2003HondaS2000Rear
2002HondaCivicRear
2002HondaS2000Rear
2001HondaCivicRear
2001HondaPreludeRear
2001HondaS2000Rear
2000HondaPreludeType SHRear
2000HondaPreludeBaseRear
2000HondaPreludeBaseAutomaticFront
2000HondaS2000Rear
1999AcuraNSXRear Right
1999HondaPreludeType SHRear
1999HondaPreludeBaseRear
1999HondaPreludeBaseAutomaticFront
1999IsuzuOasisRear
1998AcuraNSXRear Right
1998HondaOdysseyRear
1998HondaPreludeType SHRear
1998HondaPreludeBaseRear
1998HondaPreludeBaseAutomaticFront
1998IsuzuOasisRear
1997AcuraNSXRear Right
1997HondaOdysseyRear
1997HondaPreludeRear
1997HondaPreludeFront
1997IsuzuOasisRear
1996AcuraNSXRear Right
1996HondaOdysseyRear
1996IsuzuOasisRear
1995AcuraNSXRear Right

* 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:

13071132531325813487138-6051397615086154031540615479213138321313872131403234-4092234-4364234-4601240612424324250242822428424285242872442624628250-24099250-2412136531-P5M-00436531-P5M-01436532-P1E-A0136532-P5M-A0136532-P5M-A0236532-PCX-A0136532-PEA-A0136532-PLM-A0136532-PMM-A0136532-PMS-A0136532-PZX-A0136542-PR7-A0136542-PR7-A315-86202-814-05-86206-251-0OS1044OS1145OS1153OS1660OS2033OS2061OS2068OS2200REA1040REA1807SG1244SG1367SG1859SG526SG581SG621SG634SG906SG914SU4416SU4418SU4419SU4420SU5608SU5610SU5616SU6694SU7167

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