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Delphi ES20128 Oxygen Sensor - Center, Front or Rear
Reliable Oxygen Sensor for Honda Civic, CR-V, Element, and Insight
The Delphi ES20128 oxygen sensor is designed to provide accurate emissions monitoring for select Honda models. This heated oxygen sensor ensures optimal engine performance and emissions control by delivering precise air-fuel mixture data to the vehicle’s engine control unit.
Key Features of Delphi ES20128 Oxygen Sensor
- Heated sensor type for faster response times and improved efficiency
- 4-wire design for reliable electrical connections and accurate readings
- Square connector shape for secure and proper fitment
- Thread size of 18 x 1.5 mm compatible with specified Honda models
- Overall length of 320.0 mm to match OEM specifications
- Includes oxygen sensor and instruction sheet for installation guidance
- Compatible with front and rear positions depending on vehicle requirements
Detailed Description of the Delphi ES20128 Oxygen Sensor
The Delphi ES20128 oxygen sensor is engineered to meet the exacting standards of Honda vehicles such as the Civic, CR-V, Element, and Insight. Featuring a heated sensor element, it quickly reaches operating temperature to provide accurate oxygen level readings. The 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance under various driving conditions. The square connector shape and 18 x 1.5 mm thread size allow for straightforward installation and secure connection. With an overall length of 320.0 mm, this sensor fits precisely in the designated front or rear positions as specified by your vehicle’s requirements.
Common Issues Addressed by the Delphi ES20128 Oxygen Sensor
- Engine performance problems caused by incorrect air-fuel mixture readings
- Increased emissions due to faulty or slow oxygen sensor response
- Check engine light triggered by oxygen sensor faults
- Poor fuel economy resulting from inefficient combustion
- Failed emissions tests related to sensor malfunction
Installation Notes and Tips
- Verify sensor position (front or rear) according to your Honda model’s specifications
- Use proper tools to avoid damaging the 18 x 1.5 mm threaded sensor
- Ensure the square connector is fully seated and locked to prevent electrical issues
- Follow the included instruction sheet for torque specifications and installation procedures
- Allow the engine to cool before sensor replacement to avoid burns or damage
Quality Assurance and Warranty Information
Delphi manufactures the ES20128 oxygen sensor to meet OEM quality standards, ensuring reliable performance and durability. This sensor undergoes rigorous testing to comply with emissions regulations and vehicle specifications. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship. Refer to the product documentation or your supplier for exact warranty terms.
| Brand | Delphi |
|---|---|
| Part Number | ES20128 |
| Connector Shape | Square |
| Overall Length | 320.0 |
| Package Contents | Oxygen Sensor, Instruction Sheet |
| Position(s) | Front, Rear. For the position specific to your vehicle, refer to the Application tab. |
| Sensor Type | Heated |
| Thread Size | 18 x 1.5 mm |
| Wire Quantity | 4 |
This part fits 25 vehicles. Search below:
| Year | Make | Model | Submodel | Transmission | Position | Notes |
|---|---|---|---|---|---|---|
| 2011 | Honda | Element | Rear | |||
| 2010 | Honda | Element | Rear | |||
| 2009 | Honda | Element | Rear | |||
| 2008 | Honda | Element | Rear | |||
| 2007 | Honda | Element | Rear | |||
| 2006 | Honda | CR-V | Rear | |||
| 2006 | Honda | Element | Rear | |||
| 2006 | Honda | Insight | Manual | N/A | Kit Contains Center & Rear Sensors | |
| 2005 | Honda | Civic | Rear | with California Emission System | ||
| 2005 | Honda | Civic | Center | Kit Contains Center & Rear Sensors | ||
| 2005 | Honda | CR-V | Rear | |||
| 2005 | Honda | Element | Rear | |||
| 2005 | Honda | Insight | Manual | N/A | Kit Contains Center & Rear Sensors | |
| 2004 | Honda | Civic | Rear | with California Emission System | ||
| 2004 | Honda | Civic | Center | Kit Contains Center & Rear Sensors | ||
| 2004 | Honda | Element | Rear | |||
| 2004 | Honda | Insight | Manual | N/A | Kit Contains Center & Rear Sensors | |
| 2003 | Honda | Civic | Manual | Rear | with California Emission System; From Chassis # 3S020169 | |
| 2003 | Honda | Civic | Center | without California Emission System; Kit Contains Center & Rear Sensors | ||
| 2003 | Honda | Civic | Automatic CVT | Rear | with California Emission System; From Chassis # 3S020136 | |
| 2003 | Honda | Element | Rear | |||
| 2003 | Honda | Insight | Manual | N/A | Kit Contains Center & Rear Sensors | |
| 2002 | Honda | Insight | Manual | N/A | Kit Contains Center & Rear Sensors | |
| 2000 | Honda | Civic | EX | Front | ||
| 1999 | Honda | Civic | EX | Front |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.