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Delphi ES20358 Oxygen Sensor - Center or Rear
| Brand | Delphi ES20358 |
|---|---|
| Position | Rear |
| Connector Shape | Square |
| Overall Length | 350.0 |
| Package Contents | Oxygen Sensor, Instruction Sheet |
| Position(s) | Center, 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 |
| Fits | Ford · 9 vehicles |
Heated sensor. Delivers faster operation for responsive emissions monitoring.
Square connector. Provides a straightforward electrical connection.
OE heritage. Built with decades of original-equipment experience.
Cross-references Bosch 15753, DENSO Auto Parts 234-4370 and Gates 22124 for the same application. See all 10.
Delphi ES20358 Oxygen Sensor for Ford Focus
Delphi ES20358 is a heated oxygen sensor built for emission control service on select Ford Focus applications. It uses a 4-wire design, square connector shape, and 18 x 1.5 mm thread size to match the specified exhaust location and vehicle fitment.
Backed by Delphi’s OE heritage and decades of supplier experience, this oxygen sensor is built with the application details needed for accurate replacement on 2003-2007 Ford Focus, center, and 2008-2011 Ford Focus, rear.
Key Features
- Heated oxygen sensor for emission control system service
- 4-wire configuration for the listed Ford Focus applications
- Square connector shape for direct-fit style connection
- 18 x 1.5 mm thread size
- Overall length: 350.0
- Includes oxygen sensor and instruction sheet
- Delphi ES20358 replacement part number for catalog and search reference
Detailed Description
Delphi ES20358 is an oxygen sensor for Ford Focus models that require a center or rear exhaust position, depending on year and engine configuration. It is a heated sensor, which helps the engine management system monitor exhaust oxygen content more effectively during normal operation. Delphi draws on OE-level engineering experience, and that background is reflected in the sensor’s application-specific design and connector details. If you are searching for a Delphi ES20358 oxygen sensor for 2003-2007 Ford Focus center position or 2008-2011 Ford Focus rear position, this part matches those listed applications.
This part cross-references Bosch 15753 for the same application.
What It Helps Address
- Check engine light related to oxygen sensor performance
- Incorrect air-fuel ratio feedback to the engine control module
- Emissions test failures caused by a worn upstream or downstream sensor
- Rough idle or drivability issues tied to faulty exhaust oxygen readings
- Slow sensor response from age, heat exposure, or contamination
Installation Notes and Tips
Verify the exact sensor position on your vehicle before ordering, since this part is listed for center and rear locations only. Confirm the connector shape, wire count, and thread size against the original sensor before installation. For best results, inspect the exhaust threads and wiring routing during replacement, and follow the included instruction sheet.
Quality Assurance
Delphi builds aftermarket parts using knowledge developed through OE supply experience with major automakers. That OE heritage is reflected in the fitment-focused design and sensor specifications of ES20358.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2011 | Ford | Focus | Rear | — |
| 2010 | Ford | Focus | Rear | — |
| 2009 | Ford | Focus | Rear | — |
| 2008 | Ford | Focus | Rear | — |
| 2007 | Ford | Focus | Center | — |
| 2006 | Ford | Focus | Center | — |
| 2005 | Ford | Focus | Center | — |
| 2004 | Ford | Focus | Center | — |
| 2003 | Ford | Focus | Center | — |
| No rows match your filter. | ||||