HomeEmission Control > SensorsDelphi ES20084 Oxygen Sensor - Front Left, Rear Left or Rear Right
Part #: ES20084

Delphi ES20084 Oxygen Sensor - Front Left, Rear Left or Rear Right

Rear Right
22 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mitsubishi and Dodge, Endeavor, 3000GT, Montero Sport, Montero, Stealth, and Diamante
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Delphi ES20084 Heated Oxygen Sensor Overview

The Delphi ES20084 is a heated oxygen sensor designed for precise emission control in select Dodge and Mitsubishi vehicles. Engineered to provide accurate air-fuel mixture readings, this sensor supports optimal engine performance and reduced emissions.

  • Heated sensor type for faster warm-up and accurate readings
  • 4-wire configuration ensuring reliable electrical connections
  • Square connector shape for secure fitment
  • Thread size of 18 x 1.5 mm compatible with specified models
  • Overall length of 885.0 mm for proper installation
  • Includes oxygen sensor and instruction sheet for installation guidance
  • Position-specific fitment: front left, rear left, and rear right

Technical Details and Compatibility

The Delphi ES20084 oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving sensor response time and fuel management accuracy. Its 4-wire setup supports both the sensor signal and heater circuit, essential for maintaining consistent sensor performance under various driving conditions. The square connector shape and 18 x 1.5 mm thread size ensure compatibility with the exhaust systems of Dodge and Mitsubishi vehicles, including the Dodge 3000GT and Mitsubishi Diamante, Endeavor, Montero, Montero Sport, and Stealth models. The sensor’s overall length of 885 mm facilitates proper placement in front left, rear left, or rear right positions, depending on vehicle specifications.

Applications and Problem Resolution

  • Helps maintain optimal air-fuel ratio for efficient combustion
  • Reduces emissions by providing accurate oxygen level data to the engine control unit
  • Addresses issues such as rough idling and poor fuel economy caused by faulty sensors
  • Prevents check engine light triggers related to oxygen sensor faults
  • Supports smooth engine performance and reduced exhaust pollutants

Installation Notes and Tips

When installing the Delphi ES20084 oxygen sensor, ensure the vehicle is cooled down to avoid burns. Use the included instruction sheet for proper wiring and positioning guidance. Verify the sensor’s thread size matches the exhaust port to prevent leaks. It is recommended to apply anti-seize compound on the threads before installation to facilitate future removal. Confirm the sensor is installed in the correct position (front left, rear left, or rear right) as specified for your Dodge or Mitsubishi model.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM standards for durability and performance. The ES20084 part number undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects to provide confidence in product quality.

BrandDelphi
Part NumberES20084
Connector ShapeSquare
Overall Length885.0
Package ContentsOxygen Sensor, Instruction Sheet
Position(s)Front Left, Rear Left, Rear Right. For the position specific to your vehicle, refer to the Application tab.
Sensor TypeHeated
Thread Size18 x 1.5 mm
Wire Quantity4

This part fits 22 vehicles. Search below:

YearMakeModelPositionNotes
2011MitsubishiEndeavorRear Right
2010MitsubishiEndeavorRear Right
2008MitsubishiEndeavorRear Right
2007MitsubishiEndeavorRear Right
2006MitsubishiEndeavorRear Right
2005MitsubishiEndeavorRear Right
2004MitsubishiEndeavorRear Right
1999Mitsubishi3000GTRear Left
1998Mitsubishi3000GTRear Left
1998MitsubishiMontero SportFront Leftwith California Emission System
1997Mitsubishi3000GTRear Right
1997MitsubishiMonteroFront Leftwith California Emission System
1997MitsubishiMontero SportFront Leftwith California Emission System
1996DodgeStealthRear Right
1996Mitsubishi3000GTRear Right
1996MitsubishiDiamanteRear Right
1995DodgeStealthRear Rightwith California Emission System
1995Mitsubishi3000GTRear Rightwith California Emission System
1995MitsubishiDiamanteRear Right
1994DodgeStealthRear Rightwith California Emission System
1994Mitsubishi3000GTRear Rightwith California Emission System
1994MitsubishiDiamanteRear Rightwith 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:

13412138-635138-73413815153521535415451155762131536234-4655234-46562352223523250-24241MD305148MD305149MD312084MD331887MD343987MD343989MR985165OS1884OS1888OS1890OS915OS919REA1123REA1403REA1404REA1669REA1670SG1130SG1134SG1136SG1436SG401SG402SU5940SU5955SU5993SU5994SU5995SU6979

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