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Delphi ES20045 Oxygen Sensor - Rear
| Brand | Delphi ES20045 |
|---|---|
| Position | Rear |
| Connector Shape | Round |
| Overall Length | 400.0 |
| Package Contents | Oxygen Sensor, Instruction Sheet |
| Sensor Type | Heated |
| Thread Size | 18 x 1.5 mm |
| Wire Quantity | 4 |
| Fits | Chrysler, Dodge, Plymouth, and Jeep · 18 vehicles |
OE heritage. Built with a century of original-equipment experience.
Heated sensor. Helps the oxygen sensor reach operating temperature quickly.
Round connector. Simplifies a clean, secure electrical connection.
Cross-references BBB Industries 11144, BBB Industries 13280 and Bosch 13138 for the same application. See all 50.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Delphi ES20045 Rear Oxygen Sensor
The Delphi ES20045 is a heated rear oxygen sensor built for direct-fit emission control service on select Chrysler, Dodge, Jeep, and Plymouth vehicles. It uses OE-based engineering from Delphi’s long history supplying original equipment to major automakers, helping restore accurate exhaust feedback for the rear sensor position.
Key Features
- Heated oxygen sensor for rear exhaust monitoring
- 4-wire design with round connector shape
- 18 x 1.5 mm thread size for specified applications
- 400.0 overall length
- Includes oxygen sensor and instruction sheet
- Direct replacement for rear sensor service on select vehicles
Detailed Description
Delphi ES20045 is an emission control oxygen sensor engineered for rear-position applications where precise exhaust gas feedback is required. It is listed for 2001-2004 Chrysler Sebring, 2001-2004 Dodge Stratus, 2001-2002 Chrysler PT Cruiser, 2001-2002 Dodge Neon, 2001 Plymouth Neon, and 1999-2000 Jeep Grand Cherokee, with a note for the 2004 Sebring and 2004 Stratus applications except Next Generation Engine Control Module. This part number, ES20045, is also cross-referenced to OE-style replacements used in the same applications.
Built with Delphi’s OE heritage and supplier experience, this rear oxygen sensor supports accurate exhaust monitoring after the catalytic converter. It is a practical choice for drivers searching for a rear oxygen sensor for 2001-2003 Chrysler Sebring, a rear O2 sensor for 2001-2003 Dodge Stratus, or a replacement oxygen sensor for 1999-2000 Jeep Grand Cherokee with 14in pigtail.
What It Helps Address
- Check engine light related to rear oxygen sensor performance
- Faulty exhaust feedback readings from the rear sensor location
- Rough emissions test results tied to sensor degradation
- Incorrect air-fuel monitoring signals after the catalytic converter
- Replacement needs for worn or aging heated O2 sensors
Installation Notes and Tips
- Verify connector shape, wire count, thread size, and overall length before installation.
- Confirm rear-position fitment and review application notes for 2004 Chrysler Sebring and 2004 Dodge Stratus.
- Inspect the harness routing and connector condition before connecting the new sensor.
- Use the included instruction sheet during installation.
- For fitment searches, this Delphi ES20045 rear oxygen sensor is listed for Chrysler Sebring, Dodge Stratus, PT Cruiser, Neon, and Jeep Grand Cherokee applications shown above.
Quality Assurance
Delphi builds aftermarket parts using knowledge developed through OE supply experience with leading automakers. That background is reflected in the ES20045 oxygen sensor’s application-specific design and emission control focus.
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2004 | Chrysler | Sebring | LX | Rear | Except Next Generation Engine Control Module |
| 2004 | Chrysler | Sebring | Base | Rear | Except Next Generation Engine Control Module |
| 2004 | Dodge | Stratus | — | Rear | Except Next Generation Engine Control Module |
| 2003 | Chrysler | Sebring | — | Rear | — |
| 2003 | Dodge | Stratus | — | Rear | — |
| 2002 | Chrysler | PT Cruiser | Base | Rear | — |
| 2002 | Chrysler | Sebring | — | Rear | — |
| 2002 | Dodge | Neon | — | Rear | — |
| 2002 | Dodge | Stratus | — | Rear | — |
| 2001 | Chrysler | PT Cruiser | Base | Rear | — |
| 2001 | Chrysler | Sebring | — | Rear | — |
| 2001 | Dodge | Neon | R/T | Rear | — |
| 2001 | Dodge | Neon | Base | Rear | — |
| 2001 | Dodge | Neon | ACR | Rear | — |
| 2001 | Dodge | Stratus | — | Rear | — |
| 2001 | Plymouth | Neon | LX | Rear | — |
| 2000 | Jeep | Grand Cherokee | — | Rear | with 14in Pigtail |
| 1999 | Jeep | Grand Cherokee | — | Rear | with 14in Pigtail |
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