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Delphi ES20372 Oxygen Sensor - Rear
| Brand | Delphi ES20372 |
|---|---|
| Position | Rear |
| Connector Shape | Square |
| Overall Length | 800.0 |
| Package Contents | Oxygen Sensor, Instruction Sheet |
| Sensor Type | Heated |
| Thread Size | 18 x 1.5 mm |
| Wire Quantity | 4 |
| Fits | Toyota, Lexus, and Pontiac · 29 vehicles |
Heated sensor. Delivers faster operation for more responsive emissions monitoring.
Square connector. Provides a straightforward electrical connection for easier installation.
OE heritage. Built with 100 years of OE experience and supplier knowledge.
Cross-references Baldwin 18011, Baldwin 18013 and BBB Industries 13911 for the same application. See all 38.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Rear Oxygen Sensor for Toyota, Lexus, and Pontiac
Delphi ES20372 is a heated rear oxygen sensor built for direct replacement service on select Toyota, Lexus, and Pontiac applications. It uses a 4-wire design, square connector, and 18 x 1.5 mm thread size to match the listed OE-style fitment.
- Heated oxygen sensor for rear position applications
- 4-wire configuration with square connector shape
- 18 x 1.5 mm thread size
- Overall length: 800.0
- Package contents: oxygen sensor and instruction sheet
- Fits 2009-2013 Toyota Corolla, rear
- Fits 2009-2013 Toyota Matrix, rear
- Fits 2002-2010 Lexus SC430, rear
- Fits 2009-2010 Pontiac Vibe, rear
- Fits 2001-2006 Lexus LS430, rear
OE-Style Design and Fitment
Delphi ES20372 is engineered with Delphi’s OE heritage and decades of supplier experience behind it. The rear oxygen sensor layout, heated design, and connector style support accurate replacement on vehicles such as the Toyota Corolla, Toyota Matrix, Lexus SC430, Pontiac Vibe, and Lexus LS430. This part cross-references DENSO Auto Parts (e.g., 234-4167, 234-4305) for the same application.
Common Issues This Sensor Can Address
- Check engine light related to rear oxygen sensor performance
- Fault codes tied to slow sensor response
- Incorrect exhaust feedback readings from a worn sensor
- Emissions test failures caused by sensor degradation
- Rougher fuel control behavior when the rear sensor is no longer reading properly
Installation Notes and Tips
Verify rear position fitment before installation and confirm the connector shape, wire count, and thread size match the original sensor. Inspect the exhaust bung threads before threading in the new sensor, and route the harness away from heat sources and moving components. Use the included instruction sheet during installation.
Quality Assurance
Delphi builds this oxygen sensor using OE-focused engineering informed by its long history supplying major automakers. That background supports consistent fit, function, and replacement confidence for the listed applications.
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2013 | Toyota | Corolla | — | Rear | — |
| 2013 | Toyota | Matrix | — | Rear | — |
| 2012 | Toyota | Corolla | — | Rear | — |
| 2012 | Toyota | Matrix | — | Rear | — |
| 2011 | Toyota | Corolla | — | Rear | — |
| 2011 | Toyota | Matrix | — | Rear | — |
| 2010 | Lexus | SC430 | — | Rear | — |
| 2010 | Pontiac | Vibe | AWD | Rear | — |
| 2010 | Pontiac | Vibe | — | Rear | — |
| 2010 | Toyota | Corolla | — | Rear | — |
| 2010 | Toyota | Matrix | — | Rear | — |
| 2009 | Lexus | SC430 | — | Rear | — |
| 2009 | Pontiac | Vibe | AWD | Rear | — |
| 2009 | Pontiac | Vibe | — | Rear | — |
| 2009 | Toyota | Corolla | — | Rear | — |
| 2009 | Toyota | Matrix | — | Rear | — |
| 2008 | Lexus | SC430 | — | Rear | — |
| 2007 | Lexus | SC430 | — | Rear | — |
| 2006 | Lexus | LS430 | — | Rear | — |
| 2006 | Lexus | SC430 | — | Rear | — |
| 2005 | Lexus | LS430 | — | Rear | — |
| 2005 | Lexus | SC430 | — | Rear | — |
| 2004 | Lexus | LS430 | — | Rear | — |
| 2004 | Lexus | SC430 | — | Rear | — |
| 2003 | Lexus | LS430 | — | Rear | — |
| 2003 | Lexus | SC430 | — | Rear | — |
| 2002 | Lexus | LS430 | — | Rear | — |
| 2002 | Lexus | SC430 | — | Rear | — |
| 2001 | Lexus | LS430 | — | Rear | — |
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