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Delphi ES20127 Oxygen Sensor
| Brand | Delphi ES20127 |
|---|---|
| Position | Rear Right |
| Connector Shape | Square |
| Overall Length | 650.0 |
| Package Contents | Oxygen Sensor, Instruction Sheet |
| Position(s) | Front, Front Left, Front Right, Rear Left, Rear Right. 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 |
| Fits | Honda, Acura, and Saturn · 73 vehicles |
Heated sensor. Delivers faster operation for more responsive emissions monitoring.
Square connector. Provides a straightforward electrical connection for installation.
OE heritage. Built with decades of original-equipment experience behind it.
Cross-references BBB Industries 13959, Bosch 15912 and Carlson 13096 for the same application. See all 89.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Heated Oxygen Sensor for OE-Style Emissions Control
The Delphi ES20127 is a heated oxygen sensor built for precise exhaust monitoring and stable signal response. It is used in front and rear positions on select Acura, Honda, and Saturn applications, including Honda Accord, Honda Odyssey, Acura TL, and Honda Pilot fitments.
With OE heritage built from decades of supplier experience, this Delphi oxygen sensor is made to match the electrical and mechanical requirements of the original application. The ES20127 uses a 4-wire heated design, a square connector, and an 18 x 1.5 mm thread size for direct replacement service on supported vehicles.
Key Features
- Heated oxygen sensor for faster operating temperature and signal stability
- 4-wire configuration for supported OE-style circuits
- Square connector shape for application-specific harness connection
- 18 x 1.5 mm thread size
- Overall length: 650.0
- Package contents: oxygen sensor and instruction sheet
- Fits front, front left, front right, rear left, and rear right positions depending on vehicle application
Detailed Description
Delphi ES20127 is an emission control oxygen sensor engineered for vehicles that rely on accurate exhaust feedback to manage fuel delivery and emissions performance. It is a direct-fit style replacement for a wide range of applications, including 2003-2007 Honda Accord rear left and rear right, 2005-2010 Honda Odyssey rear right, 2005-2008 Honda Pilot rear right, 2004-2006 Acura TL front left and rear left, and 2000-2005 Acura NSX front left and front right. It also fits 1998-2000 Honda Civic front and 2004-2005 Honda S2000 front air-fuel ratio sensor applications.
This part cross-references Bosch 15912 and DENSO Auto Parts 234-4074 for the same application. Delphiโs OE background and application knowledge are reflected in the sensor design, helping maintain the correct fit, connector style, and thread specification for supported vehicles.
What It Helps Address
- Check engine light related to oxygen sensor performance
- Incorrect air-fuel feedback from a worn upstream or downstream sensor
- Emissions test failures tied to sensor response issues
- Rough idle or drivability concerns caused by inaccurate exhaust readings
- Fuel trim problems from degraded sensor output
Installation Notes and Tips
- Confirm the exact position before ordering; this part is used in front, rear left, rear right, front left, and front right locations depending on the vehicle.
- Verify connector shape, wire count, and thread size against the original sensor before installation.
- Inspect the harness routing and exhaust mounting point for heat damage or corrosion before connecting the new sensor.
- Use the vehicle application details to match the correct Honda Accord, Honda Odyssey, Acura TL, or other listed fitment.
Quality Assurance
Delphi draws on more than 100 years of OE experience and supplier knowledge from top automakers, with that heritage reflected in aftermarket replacement parts like the ES20127. The result is a sensor built around original-equipment fit and function expectations for supported Acura, Honda, and Saturn applications.
| Year | Make | Model | Submodel | # Doors | Transmission | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2010 | Honda | Odyssey | — | — | — | Rear Right | — |
| 2009 | Honda | Odyssey | — | — | — | Rear Right | — |
| 2008 | Acura | RL | — | — | — | Rear Right | — |
| 2008 | Honda | Odyssey | — | — | — | Rear Right | — |
| 2008 | Honda | Pilot | — | — | — | Rear Right | — |
| 2008 | Honda | Ridgeline | — | — | — | Rear Right | — |
| 2007 | Acura | RL | — | — | — | Rear Right | — |
| 2007 | Honda | Accord | — | — | — | Rear Right | — |
| 2007 | Honda | Accord | — | — | Manual | Rear Left | — |
| 2007 | Honda | Odyssey | Touring | — | — | Rear Right | — |
| 2007 | Honda | Odyssey | LX | — | — | Rear Right | — |
| 2007 | Honda | Odyssey | EX | — | — | Rear Right | — |
| 2007 | Honda | Pilot | — | — | — | Rear Right | — |
| 2007 | Honda | Ridgeline | — | — | — | Rear Right | — |
| 2007 | Saturn | Vue | — | — | — | Rear Right | — |
| 2006 | Acura | MDX | — | — | — | Rear Right | — |
| 2006 | Acura | RL | — | — | — | Rear Right | — |
| 2006 | Acura | TL | — | — | — | Rear Right | — |
| 2006 | Acura | TL | — | — | Manual | Rear Left | — |
| 2006 | Honda | Accord | — | — | — | Rear Right | — |
| 2006 | Honda | Accord | — | — | Manual | Rear Left | — |
| 2006 | Honda | Odyssey | Touring | — | — | Rear Right | — |
| 2006 | Honda | Odyssey | LX | — | — | Rear Right | — |
| 2006 | Honda | Odyssey | EX | — | — | Rear Right | — |
| 2006 | Honda | Pilot | — | — | — | Rear Right | — |
| 2006 | Honda | Ridgeline | — | — | — | Rear Right | — |
| 2006 | Saturn | Vue | — | — | — | Rear Right | — |
| 2005 | Acura | MDX | — | — | — | Rear Right | — |
| 2005 | Acura | NSX | — | — | — | Front Right | — |
| 2005 | Acura | NSX | — | — | — | Front Left | — |
| 2005 | Acura | RL | — | — | — | Rear Right | — |
| 2005 | Acura | TL | — | — | — | Rear Right | — |
| 2005 | Acura | TL | — | — | Manual | Rear Left | — |
| 2005 | Honda | Accord | LX | — | — | Rear Right | — |
| 2005 | Honda | Accord | Hybrid | — | — | Rear Right | — |
| 2005 | Honda | Accord | EX | — | — | Rear Right | — |
| 2005 | Honda | Accord | LX | 2 Door | Manual | Rear Left | — |
| 2005 | Honda | Accord | EX | 2 Door | Manual | Rear Left | — |
| 2005 | Honda | Odyssey | — | — | — | Rear Right | — |
| 2005 | Honda | Pilot | — | — | — | Rear Right | — |
| 2005 | Honda | S2000 | — | — | — | Front | Air-Fuel Ratio Sensor |
| 2005 | Saturn | Vue | — | — | — | Rear Right | — |
| 2004 | Acura | MDX | — | — | — | Rear Right | — |
| 2004 | Acura | NSX | — | — | — | Front Right | — |
| 2004 | Acura | NSX | — | — | — | Front Left | — |
| 2004 | Acura | TL | — | — | — | Rear Right | — |
| 2004 | Acura | TL | — | — | Manual | Rear Left | — |
| 2004 | Honda | Accord | — | — | — | Rear Right | — |
| 2004 | Honda | Accord | — | 2 Door | Manual | Rear Left | — |
| 2004 | Honda | S2000 | — | — | — | Front | Air-Fuel Ratio Sensor |
| 2004 | Saturn | Vue | — | — | — | Rear Right | — |
| 2003 | Acura | MDX | — | — | — | Rear Right | — |
| 2003 | Acura | NSX | — | — | — | Front Right | — |
| 2003 | Acura | NSX | — | — | — | Front Left | — |
| 2003 | Honda | Accord | — | — | — | Rear Right | — |
| 2003 | Honda | Accord | — | 2 Door | Manual | Rear Left | — |
| 2003 | Honda | S2000 | — | — | — | Front | From Engine # 1046886; To Engine # 1046885 |
| 2002 | Acura | NSX | — | — | — | Front Right | — |
| 2002 | Acura | NSX | — | — | — | Front Left | — |
| 2002 | Honda | S2000 | — | — | — | Front | — |
| 2001 | Acura | NSX | — | — | — | Front Right | — |
| 2001 | Acura | NSX | — | — | — | Front Left | — |
| 2001 | Honda | S2000 | — | — | — | Front | — |
| 2000 | Acura | NSX | — | — | — | Front Right | — |
| 2000 | Acura | NSX | — | — | — | Front Left | — |
| 2000 | Honda | Civic | GX | — | — | Front | — |
| 2000 | Honda | S2000 | — | — | — | Front | — |
| 1999 | Honda | Civic | GX | — | — | Front | — |
| 1998 | Acura | TL | — | — | — | Front | — |
| 1998 | Honda | Civic | GX | — | — | Front | — |
| 1997 | Acura | TL | — | — | — | Front | — |
| 1996 | Acura | TL | — | — | — | Front | — |
| 1995 | Acura | TL | — | — | — | Front | — |
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