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Delphi ES11084 Oxygen Sensor - Front Left
Overview of Delphi ES11084 Oxygen Sensor for Infiniti and Nissan
The Delphi ES11084 is a heated oxygen sensor designed specifically for front left position applications on Infiniti Pathfinder and Nissan QX4 models. This sensor helps maintain optimal engine performance and emissions control by accurately monitoring oxygen levels in the exhaust system.
- Heated oxygen sensor for faster response times
- 3-wire design with a flat connector shape for secure fitment
- Thread size of 18 x 1.5 mm for precise installation
- Includes oxygen sensor and instruction sheet for proper setup
- Compatible with front left position on Infiniti Pathfinder and Nissan QX4
Detailed Product Description
The Delphi ES11084 oxygen sensor features a heated element that allows the sensor to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its 3-wire configuration ensures reliable electrical connections, while the flat connector shape simplifies installation and prevents misalignment. The 18 x 1.5 mm thread size matches factory specifications for a secure and leak-free fit in the front left exhaust port. This sensor is engineered to meet the emission control requirements of Infiniti Pathfinder and Nissan QX4 vehicles, providing accurate oxygen level readings to the engine control unit (ECU).
Common Applications and Issues Addressed
- Helps correct air-fuel mixture for improved engine performance
- Reduces harmful emissions by ensuring proper catalytic converter function
- Prevents engine misfires caused by faulty oxygen sensor readings
- Resolves check engine light triggers related to oxygen sensor faults
- Improves fuel economy by maintaining optimal combustion
Installation Notes and Tips
- Ensure the vehicle is cool before removing the old sensor to avoid burns
- Use the included instruction sheet for proper torque specifications and wiring connections
- Apply anti-seize compound on the threads if recommended to ease future removal
- Verify the sensor is installed in the front left position as specified for correct operation
Quality Assurance and Warranty
Delphi oxygen sensors are manufactured to meet OEM standards for durability and performance. The ES11084 part number undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship to provide confidence in product quality.
| Brand | Delphi |
|---|---|
| Part Number | ES11084 |
| Connector Shape | Flat |
| Package Contents | Oxygen Sensor, Instruction Sheet |
| Position(s) | Front Left |
| Sensor Type | Heated |
| Thread Size | 18 x 1.5 mm |
| Wire Quantity | 3 |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2001 | INFINITI | QX4 | Front Left | Except Mid Year Emissions |
| 2001 | Nissan | Pathfinder | Front Left | To 08/2000 |
* 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.