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Delphi ES20137 Oxygen Sensor - Rear
| Brand | Delphi ES20137 |
|---|---|
| Position | Rear |
| Sensor Type | Heated |
| Wire Quantity | 4 |
| Connector Shape | Round |
| Thread Size | 18 x 1.5 mm |
| Overall Length | 890.0 |
| Package Contents | Oxygen sensor, instruction sheet |
| Fits | Dodge and Plymouth · 6 vehicles |
OE heritage. Built with a century of original-equipment experience.
Heated sensor. Helps the sensor reach operating temperature quickly.
Round connector. Simplifies a clean, secure electrical connection.
Cross-references Bosch 13315, DENSO Auto Parts 234-4614 and Gates 23019 for the same application. See all 24.
Delphi ES20137 Rear Oxygen Sensor
Delphi ES20137 is a heated rear oxygen sensor built for precise exhaust monitoring on select Dodge Neon and Plymouth Neon applications. It uses OE-based engineering from a supplier with long-standing original equipment experience, helping support accurate air-fuel feedback and emissions system performance.
Key Features
- Heated oxygen sensor for faster operating temperature
- Rear sensor position for downstream exhaust monitoring
- 4-wire design with round connector shape
- 18 x 1.5 mm thread size for direct-fit installation
- Overall length: 890.0
- Includes oxygen sensor and instruction sheet
- Fits 1997-1999 Dodge Neon, rear
- Fits 1997-1999 Plymouth Neon, rear
Detailed Description
This Delphi ES20137 oxygen sensor is engineered for rear-position exhaust monitoring on 1997-1999 Dodge Neon and 1997-1999 Plymouth Neon models. The heated sensor design helps the unit reach operating temperature quickly, while the 4-wire configuration and round connector support OE-style replacement fitment. Delphi’s OE heritage is built into the part design, reflecting the company’s experience supplying original equipment to major automakers. This part cross-references Bosch 13315 and DENSO Auto Parts 234-4614 for the same application.
What It Helps Address
- Check engine light related to rear oxygen sensor performance
- Incorrect exhaust oxygen readings from a worn downstream sensor
- Emissions test failures tied to sensor response issues
- Rough fuel control caused by inaccurate exhaust feedback
- Replacement needs on aging Dodge Neon and Plymouth Neon exhaust systems
Installation Notes and Tips
Verify rear sensor placement before installation and confirm the 18 x 1.5 mm thread size matches the exhaust bung. Inspect the connector shape and wire routing against the original sensor to ensure proper fit on 1997-1999 Dodge Neon and Plymouth Neon vehicles. Follow the included instruction sheet and clear any stored diagnostic trouble codes after installation.
Quality Assurance
Delphi builds this oxygen sensor using OE-based experience and original equipment knowledge developed over decades of supplying automakers. That background supports consistent fitment and dependable sensor construction for rear oxygen sensor replacement.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1999 | Dodge | Neon | Rear | — |
| 1999 | Plymouth | Neon | Rear | — |
| 1998 | Dodge | Neon | Rear | — |
| 1998 | Plymouth | Neon | Rear | — |
| 1997 | Dodge | Neon | Rear | — |
| 1997 | Plymouth | Neon | Rear | — |
| No rows match your filter. | ||||