HomeEmission Control > SensorsDelphi ES20217 Oxygen Sensor - Rear Left
Part #: ES20217

Delphi ES20217 Oxygen Sensor - Rear Left

Rear Left
2 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Nissan, Sentra
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Overview of Delphi ES20217 Oxygen Sensor for Nissan Sentra

The Delphi ES20217 is a heated oxygen sensor designed specifically for the rear left position on Nissan Sentra models. This sensor plays a critical role in monitoring exhaust gases to optimize engine performance and reduce emissions.

  • Heated oxygen sensor for accurate and fast response
  • 4-wire design for reliable electrical connection
  • Square connector shape for secure fitment
  • Thread size of 18 x 1.5 mm for proper installation
  • Overall length of 780 mm to reach the designated sensor port
  • Includes oxygen sensor and instruction sheet for installation guidance

Detailed Product Description

The Delphi ES20217 oxygen sensor is engineered to meet the specific requirements of Nissan Sentra vehicles, ensuring compatibility and optimal performance. Featuring a heated sensor element, it quickly reaches operating temperature to provide accurate oxygen level readings. The 4-wire configuration supports both the sensor signal and heater circuit, improving responsiveness and durability. Its square connector shape and standardized 18 x 1.5 mm thread size allow for straightforward installation in the rear left exhaust position. With an overall length of 780 mm, this sensor is designed to fit precisely without the need for modifications.

Common Applications and Issues Addressed

  • Helps maintain proper air-fuel mixture for efficient combustion
  • Reduces harmful emissions by providing accurate feedback to the engine control unit
  • Prevents engine performance issues related to faulty oxygen sensors
  • Resolves check engine light triggers caused by sensor malfunctions
  • Improves fuel economy by ensuring optimal sensor operation

Installation Notes and Tips

  • Ensure the vehicle is cool before removing the old sensor to avoid burns
  • Use the correct 18 x 1.5 mm thread size to avoid cross-threading
  • Verify the square connector matches the vehicle harness for proper connection
  • Follow the included instruction sheet for torque specifications and wiring details
  • Inspect wiring and connectors for damage before installation

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM standards for durability and performance. The ES20217 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.

BrandDelphi
Part NumberES20217
Connector ShapeSquare
Overall Length780.0
Package ContentsOxygen Sensor, Instruction Sheet
Position(s)Rear Left
Sensor TypeHeated
Thread Size18 x 1.5 mm
Wire Quantity4

This part fits 2 vehicles. Search below:

YearMakeModelPositionNotes
2001NissanSentraRear Leftwithout California Emission System; Except Mid Year Emissions
2000NissanSentraRear Leftwithout 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:

15967226A0-5M011226A0-5M012234-477624640250-24436OS1720REA1591SG966SU5760

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.