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Delphi ES20089 Oxygen Sensor - Rear, Rear Left or Rear Right
| Brand | Delphi ES20089 |
|---|---|
| Position | Rear |
| Connector Shape | Square |
| Overall Length | 450.0 |
| Package Contents | Oxygen Sensor, Instruction Sheet |
| Position(s) | Rear, 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 | Dodge and Jeep · 39 vehicles |
Heated sensor. Delivers faster operation for more responsive emissions monitoring.
Square connector. Simplifies installation with a straightforward electrical connection.
OE heritage. Built with 100 years of original-equipment experience.
Cross-references Bosch 13672, Bosch 13687 and Bosch 13718 for the same application. See all 34.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Delphi ES20089 Rear Oxygen Sensor
The Delphi ES20089 is a heated oxygen sensor built for rear exhaust monitoring on select Dodge and Jeep applications. It combines OE-based engineering with the correct connector, thread size, and wire configuration for direct replacement service.
- Heated oxygen sensor for rear exhaust positions
- 4-wire design with square connector shape
- 18 x 1.5 mm thread size
- Overall length: 450.0
- Package contents: oxygen sensor and instruction sheet
- Delphi OE heritage informed by 100 years of supplier experience
Vehicle Fitment and Application
Compatible with rear oxygen sensor applications on 2001-2003 Dodge Ram 1500, 2001-2003 Dodge Ram 1500 Van, 2001-2003 Dodge Ram 2500 Van, 2001-2003 Dodge Ram 3500 Van, 2001-2003 Jeep Grand Cherokee, 2002-2003 Jeep Liberty, and 2001-2003 Jeep Wrangler. This part also fits 2001-2002 Dodge Ram 2500, 2001-2002 Dodge Ram 3500, 2002-2003 Dodge Ram 2500, 2002-2003 Dodge Ram 3500, and 2002 Dodge Ram 1500 rear left or rear right applications, depending on vehicle configuration. Delphi ES20089 is a direct-fit option for rear oxygen sensor replacement on Dodge Ram and Jeep models listed in the fitment data.
This part cross-references Bosch 13672 and DENSO Auto Parts 234-4029 for the same application.
What This Sensor Helps Address
- Check engine light related to rear oxygen sensor performance
- Incorrect exhaust feedback from a worn or slow-responding sensor
- Fuel trim issues caused by inaccurate downstream sensor readings
- Emissions test failures tied to oxygen sensor faults
- Driveability concerns linked to degraded exhaust monitoring
Installation Notes and Tips
Verify the exact rear position for your vehicle before ordering, since listed applications include rear, rear left, and rear right locations. Match the 4-wire square connector and 18 x 1.5 mm thread size to the original sensor, and confirm the vehicle’s emission configuration where noted in the fitment data. Follow the included instruction sheet and inspect the harness routing before installation.
Quality Assurance
Delphi builds this oxygen sensor using OE heritage and supplier knowledge developed over a century of original-equipment experience. That background is reflected in the sensor’s fit, connector style, and application-specific design for the listed Dodge and Jeep vehicles.
| Year | Make | Model | Submodel | Transmission | Position | Notes |
|---|---|---|---|---|---|---|
| 2003 | Dodge | Ram 1500 | — | — | Rear | — |
| 2003 | Dodge | Ram 1500 | — | Manual | Rear | — |
| 2003 | Dodge | Ram 1500 Van | — | — | Rear | — |
| 2003 | Dodge | Ram 2500 Van | — | — | Rear | — |
| 2003 | Dodge | Ram 3500 Van | — | — | Rear | — |
| 2003 | Jeep | Grand Cherokee | — | — | Rear | Cylinders 1 through 3 |
| 2003 | Jeep | Liberty | — | — | Rear Right | — |
| 2003 | Jeep | Wrangler | — | — | Rear | Cylinders 1 through 3 |
| 2002 | Dodge | Ram 1500 | — | — | Rear Right | without California Emission System |
| 2002 | Dodge | Ram 1500 | — | — | Rear Left | without California Emission System |
| 2002 | Dodge | Ram 1500 | — | — | Rear Right | — |
| 2002 | Dodge | Ram 1500 | — | — | Rear Left | — |
| 2002 | Dodge | Ram 1500 Van | — | — | Rear | without California Emission System |
| 2002 | Dodge | Ram 1500 Van | — | — | Rear | — |
| 2002 | Dodge | Ram 2500 | — | — | Rear | — |
| 2002 | Dodge | Ram 2500 | — | Manual | Rear | — |
| 2002 | Dodge | Ram 2500 | — | Automatic | Rear | without California Emission System |
| 2002 | Dodge | Ram 2500 Van | — | — | Rear | without California Emission System |
| 2002 | Dodge | Ram 2500 Van | — | — | Rear | — |
| 2002 | Dodge | Ram 3500 | — | — | Rear | — |
| 2002 | Dodge | Ram 3500 | — | Manual | Rear | — |
| 2002 | Dodge | Ram 3500 | — | Automatic | Rear | without California Emission System |
| 2002 | Dodge | Ram 3500 Van | — | — | Rear | without California Emission System |
| 2002 | Dodge | Ram 3500 Van | — | — | Rear | — |
| 2002 | Jeep | Grand Cherokee | — | — | Rear | Cylinders 1 through 3 |
| 2002 | Jeep | Liberty | Sport | — | Rear Right | — |
| 2002 | Jeep | Liberty | Limited | — | Rear Right | — |
| 2002 | Jeep | Wrangler | — | — | Rear | Cylinders 1 through 3 |
| 2001 | Dodge | Ram 1500 | — | — | Rear | From 02/21/2000 |
| 2001 | Dodge | Ram 1500 Van | — | — | Rear | without California Emission System |
| 2001 | Dodge | Ram 1500 Van | — | — | Rear | — |
| 2001 | Dodge | Ram 2500 | — | — | Rear | From 02/21/2000 |
| 2001 | Dodge | Ram 2500 Van | — | — | Rear | without California Emission System |
| 2001 | Dodge | Ram 2500 Van | — | — | Rear | — |
| 2001 | Dodge | Ram 3500 | — | — | Rear | From 02/21/2000 |
| 2001 | Dodge | Ram 3500 Van | — | — | Rear | without California Emission System |
| 2001 | Dodge | Ram 3500 Van | — | — | Rear | — |
| 2001 | Jeep | Grand Cherokee | — | — | Rear | Cylinders 1 through 3 |
| 2001 | Jeep | Wrangler | — | — | Rear | Cylinders 1 through 3 |
| No rows match your filter. | ||||||