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Delphi ES20131 Oxygen Sensor - Rear
Delphi Heated Oxygen Sensor for Nissan Frontier and Xterra
The Delphi ES20131 oxygen sensor is designed to provide accurate emissions control for Nissan Frontier and Xterra vehicles. This heated oxygen sensor helps maintain optimal engine performance and fuel efficiency by monitoring exhaust gases precisely.
- Heated sensor type for faster response times
- 4-wire design ensuring reliable electrical connections
- Square connector shape for secure fitment
- Thread size of 18 x 1.5 mm compatible with rear exhaust ports
- Overall length of 1265.0 mm for proper installation
- Includes oxygen sensor and instruction sheet
- Positioned for rear exhaust placement
Product Details and Specifications
The Delphi ES20131 oxygen sensor features a heated element that allows the sensor to reach operating temperature quickly, improving emissions feedback accuracy. Its 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance. The square connector shape is designed to match factory wiring harnesses on Nissan Frontier and Xterra models, simplifying installation. With a thread size of 18 x 1.5 mm, this sensor fits securely into the rear exhaust port. The overall length of 1265.0 mm provides adequate reach for proper placement without strain on wiring.
Compatible Nissan Models and Applications
This oxygen sensor is compatible with Nissan Frontier and Nissan Xterra vehicles requiring a rear heated oxygen sensor. The part number ES20131 is specific to these models and ensures proper fitment and function in emission control systems.
- Helps regulate air-fuel mixture for efficient combustion
- Reduces harmful emissions by providing accurate exhaust data
- Prevents engine performance issues related to faulty sensors
- Supports proper operation of catalytic converters
- Addresses check engine light triggers related to oxygen sensor faults
Installation Notes and Tips
When installing the Delphi ES20131 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct 18 x 1.5 mm thread size to avoid cross-threading. Verify the square connector aligns properly with the vehicle’s wiring harness. Follow the included instruction sheet for torque specifications and wiring connections. Proper installation is critical for sensor accuracy and longevity.
Quality Assurance and Warranty
Delphi oxygen sensors are manufactured to meet OEM standards for durability and performance. The ES20131 part number undergoes rigorous testing to ensure reliable operation in Nissan Frontier and Xterra vehicles. While specific warranty details are not provided here, Delphi products typically come with manufacturer-backed warranties covering defects in materials and workmanship.
| Brand | Delphi |
| Part Number | ES20131 |
| Sensor Type | Heated |
| Wire Quantity | 4 |
| Connector Shape | Square |
| Thread Size | 18 x 1.5 mm |
| Overall Length | 1265.0 |
| Package Contents | Oxygen sensor, instruction sheet |
| Position(s) | Rear |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2000 | Nissan | Frontier | Rear | without California Emission System |
| 2000 | Nissan | Xterra | Rear | without California Emission System |
| 1999 | Nissan | Frontier | Rear | without California Emission System |
| 1998 | Nissan | Frontier | Rear | without 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.