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Delphi ES20176 Oxygen Sensor - Rear
| Brand | Delphi ES20176 |
|---|---|
| Position | Rear |
| Connector Shape | Square |
| Overall Length | 1070.0 |
| Package Contents | Oxygen Sensor, Instruction Sheet |
| Sensor Type | Heated |
| Thread Size | 18 x 1.5 mm |
| Wire Quantity | 4 |
| Fits | Acura and Honda · 12 vehicles |
OE heritage. Built with 100 years of original-equipment experience.
Heated sensor. Helps the sensor reach operating temperature quickly.
Square connector. Simplifies a clean, secure electrical connection.
Cross-references Bosch 13704, Bosch 15409 and Bosch 15410 for the same application. See all 33.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Delphi ES20176 Rear Oxygen Sensor
The Delphi ES20176 is a heated rear oxygen sensor built for precise exhaust monitoring on select Acura and Honda applications. It uses a 4-wire design, square connector, and 18 x 1.5 mm thread size to match the original-style fit and electrical connection.
With OE heritage built from more than a century of supplier experience, Delphi applies original-equipment knowledge to this aftermarket oxygen sensor for dependable emissions system service.
Key Features
- Heated oxygen sensor for rear exhaust placement
- 4-wire configuration for signal and heater circuit operation
- Square connector shape for OE-style connection
- 18 x 1.5 mm thread size
- Overall length: 1070.0
- Includes oxygen sensor and instruction sheet
- Delphi part number ES20176
Detailed Description
The Delphi ES20176 oxygen sensor is a rear-position emission control sensor for 2004-2008 Acura TSX and 2003-2007 Honda Accord applications. It is engineered as a heated sensor to help maintain exhaust feedback performance after the engine reaches operating temperature. For buyers searching for a rear oxygen sensor for Acura TSX or Honda Accord, ES20176 provides the correct connector style, thread specification, and wire count for the listed vehicles.
This part cross-references Bosch 13704 and DENSO Auto Parts 234-4797 for the same application. The Delphi ES20176 is also referenced by part number ES20176 in catalog listings for rear oxygen sensor replacement on these vehicles.
What It Helps Address
- Check engine light related to rear oxygen sensor faults
- Incorrect exhaust oxygen signal readings
- Heater circuit trouble codes
- Emissions test failures tied to sensor performance
- Rough fuel control caused by a worn rear sensor
Installation Notes and Tips
Verify the rear sensor location, connector shape, thread size, and wire count before installation. Confirm the vehicle application against the listed fitment for 2004-2008 Acura TSX, rear, and 2003-2007 Honda Accord, rear. Use proper exhaust sensor removal practices to avoid damaging the threads or wiring harness, and route the lead away from hot exhaust components after installation.
Quality Assurance
Delphi draws on OE supplier experience and original-equipment engineering knowledge in the design of this aftermarket oxygen sensor. The ES20176 is built to support direct-fit replacement needs for rear sensor service on Acura TSX and Honda Accord applications.
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2008 | Acura | TSX | — | Rear | — |
| 2007 | Acura | TSX | — | Rear | — |
| 2007 | Honda | Accord | — | Rear | — |
| 2006 | Acura | TSX | — | Rear | — |
| 2006 | Honda | Accord | — | Rear | — |
| 2005 | Acura | TSX | — | Rear | — |
| 2005 | Honda | Accord | LX | Rear | — |
| 2005 | Honda | Accord | EX | Rear | — |
| 2005 | Honda | Accord | DX | Rear | — |
| 2004 | Acura | TSX | — | Rear | — |
| 2004 | Honda | Accord | — | Rear | — |
| 2003 | Honda | Accord | — | Rear | — |
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