OE Quality
60-Day Returns

Delphi ES20133 Oxygen Sensor - Rear
Overview of Delphi ES20133 Heated Oxygen Sensor
The Delphi ES20133 is a heated oxygen sensor designed for precise emission control in select Dodge and Mitsubishi vehicles. Engineered to meet OEM specifications, this sensor ensures accurate air-fuel mixture readings for optimal engine performance and reduced emissions.
- Heated sensor type for faster warm-up and improved accuracy
- 4-wire configuration for reliable signal transmission
- Flat connector shape for secure and proper fitment
- Thread size of 18 x 1.5 mm compatible with specified vehicle models
- Overall length of 620 mm for correct installation depth
- Positioned for rear installation in the exhaust system
- Includes oxygen sensor and instruction sheet for installation guidance
Detailed Product Description
The Delphi ES20133 oxygen sensor is a heated sensor featuring a 4-wire design that supports both the sensor element and the heating circuit. This configuration allows the sensor to reach operating temperature quickly, providing accurate oxygen level readings even during cold starts. The flat connector shape ensures a secure electrical connection, minimizing the risk of signal loss or corrosion. With a thread size of 18 x 1.5 mm and an overall length of 620 mm, this sensor is engineered for rear exhaust system placement, specifically compatible with Dodge Colt and Mitsubishi Mirage models. The package includes the oxygen sensor and an instruction sheet to assist with proper installation.
Compatible Vehicles and Applications
- Compatible with Dodge Colt models requiring a rear heated oxygen sensor
- Compatible with Mitsubishi Mirage models for rear sensor replacement
- Designed to maintain emission control system efficiency and engine performance
Common Issues Addressed by the Delphi ES20133 Oxygen Sensor
- Incorrect air-fuel mixture readings causing poor fuel economy
- Check engine light triggered by faulty oxygen sensor signals
- Increased emissions due to sensor malfunction
- Engine performance issues such as rough idling or hesitation
- Failed emissions tests related to sensor degradation
Installation Notes and Tips
- Ensure the vehicle is cooled down before sensor replacement to avoid burns
- Use the included instruction sheet for proper wiring and torque specifications
- Verify the sensor’s rear position location on the exhaust system before installation
- Apply anti-seize compound on the threads if recommended by the vehicle manufacturer
- Check connector compatibility with the vehicle’s wiring harness for a secure fit
Quality Assurance and Warranty
Delphi oxygen sensors are manufactured to meet strict quality standards and OEM specifications. The ES20133 part number undergoes rigorous testing to ensure durability and reliable performance under various operating conditions. Warranty coverage details should be confirmed with the parts provider or vehicle manufacturer, as they may vary by region and application.
| Brand | Delphi |
|---|---|
| Part Number | ES20133 |
| Connector Shape | Flat |
| Overall Length | 620.0 |
| Package Contents | Oxygen Sensor, Instruction Sheet |
| Position(s) | Rear |
| Sensor Type | Heated |
| Thread Size | 18 x 1.5 mm |
| Wire Quantity | 4 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1996 | Mitsubishi | Mirage | Rear | without California Emission System |
| 1995 | Mitsubishi | Mirage | Rear | without California Emission System |
| 1994 | Dodge | Colt | Rear | with California Emission System |
| 1994 | Mitsubishi | Mirage | Rear | |
| 1993 | Dodge | Colt | Rear | with California Emission System |
| 1993 | Mitsubishi | Mirage | Rear | with California Emission System |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.