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Delphi ES20079 Oxygen Sensor - Front or Rear
Delphi ES20079 Heated Oxygen Sensor Overview
The Delphi ES20079 is a heated oxygen sensor designed for precise emission control in select Dodge and Mitsubishi vehicles. Engineered with a flat connector and four wires, this sensor ensures accurate air-fuel mixture readings for optimal engine performance.
- Heated sensor type for faster response times
- Four-wire design for reliable signal transmission
- Flat connector shape for secure and easy installation
- Thread size of 18 x 1.5 mm compatible with specific vehicle ports
- Overall length of 610 mm to fit designated sensor locations
- Includes oxygen sensor and instruction sheet for guidance
Technical Details and Compatibility
The Delphi ES20079 oxygen sensor features a heated element that accelerates sensor activation, reducing warm-up time and improving emission control efficiency. Its four-wire configuration supports both the sensor signal and heater circuit, ensuring consistent operation under various driving conditions. The flat connector shape is designed to match factory wiring harnesses on compatible vehicles, minimizing installation complexity. With a thread size of 18 x 1.5 mm and an overall length of 610 mm, this sensor fits front and rear positions depending on the vehicle's specific requirements. This part is compatible with Dodge Colt and Mitsubishi Colt, Eclipse, Mirage, and Outlander models, providing a direct replacement for original equipment sensors.
Applications and Problem Solving
- Helps maintain proper air-fuel ratio for efficient combustion
- Reduces harmful emissions by providing accurate oxygen level data
- Addresses engine performance issues related to faulty oxygen sensors
- Prevents check engine light triggers caused by sensor malfunctions
- Supports smooth engine idling and improved fuel economy
Installation Notes and Tips
Before installation, verify the sensor position (front or rear) specific to your vehicle model. Use the included instruction sheet for detailed guidance. Ensure the engine is cool to avoid burns and use appropriate tools to avoid damaging the sensor threads. Properly connect the flat connector to the vehicle harness to maintain signal integrity. It is recommended to inspect the wiring harness for damage before installation.
Quality Assurance and Warranty
Delphi oxygen sensors are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The ES20079 part number undergoes rigorous quality control to provide consistent emission control results. Warranty details should be confirmed with the point of purchase or Delphi directly, as coverage may vary.
| Brand | Delphi |
| Part Number | ES20079 |
| Sensor Type | Heated |
| Wire Quantity | 4 |
| Connector Shape | Flat |
| Thread Size | 18 x 1.5 mm |
| Overall Length | 610.0 |
| Package Contents | Oxygen sensor, instruction sheet |
| Position(s) | Front, rear. for the position specific to your vehicle, refer to |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2003 | Mitsubishi | Outlander | FWD | Rear | |
| 2000 | Mitsubishi | Eclipse | Rear | without California Emission System | |
| 2000 | Mitsubishi | Mirage | Rear | without California Emission System | |
| 1999 | Mitsubishi | Mirage | Rear | without California Emission System | |
| 1998 | Mitsubishi | Mirage | Rear | without California Emission System | |
| 1997 | Mitsubishi | Mirage | Rear | without California Emission System | |
| 1996 | Mitsubishi | Mirage | Rear | without California Emission System | |
| 1995 | Mitsubishi | Mirage | Rear | without California Emission System | |
| 1994 | Dodge | Colt | Front | with California Emission System | |
| 1994 | Mitsubishi | Mirage | Rear | ||
| 1993 | Dodge | Colt | Front | 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.