HomeEmission Control > SensorsDelphi ES20228 Oxygen Sensor - Rear
Part #: ES20228

Delphi ES20228 Oxygen Sensor - Rear

Rear
9 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Dodge and Chrysler, Neon and PT Cruiser
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Delphi Heated Oxygen Sensor for Chrysler and Dodge Vehicles

The Delphi ES20228 oxygen sensor is designed to provide accurate emissions monitoring for select Chrysler and Dodge models. This heated oxygen sensor ensures optimal engine performance and emissions control by delivering precise air-fuel mixture data to the vehicle's engine control unit.

  • Heated sensor type for faster warm-up and improved accuracy
  • 4-wire design for reliable electrical connections
  • Square connector shape for secure fitment
  • Thread size of 18 x 1.5 mm compatible with specified vehicles
  • Overall length of 300.0 mm for proper installation
  • Positioned for rear placement in the exhaust system
  • Includes oxygen sensor and instruction sheet

Technical Details and Compatibility

The Delphi ES20228 oxygen sensor features a heated element that allows the sensor to reach operating temperature quickly, reducing emissions during cold starts. Its 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance. The square connector shape and 18 x 1.5 mm thread size are engineered to match the rear oxygen sensor port on Chrysler Neon and Dodge PT Cruiser models. With an overall length of 300 mm, this sensor fits precisely in the exhaust system without modification.

Applications and Problem Resolution

This oxygen sensor is compatible with the rear exhaust position on Chrysler Neon and Dodge PT Cruiser vehicles. It is designed to address common issues such as:

  • Check engine light triggered by faulty oxygen sensor readings
  • Poor fuel economy due to incorrect air-fuel mixture data
  • Increased emissions from delayed sensor warm-up
  • Engine performance problems related to exhaust gas monitoring
  • Failed emissions tests caused by sensor malfunction

Installation Notes and Tips

When installing the Delphi ES20228 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 18 x 1.5 mm threaded sensor to prevent damage. Verify the square connector aligns properly with the vehicle harness to ensure a secure electrical connection. Follow the included instruction sheet for torque specifications and wiring guidance. It is recommended to inspect the exhaust system for leaks before installation to maintain sensor accuracy.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM standards for durability and performance. The ES20228 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. Refer to the product documentation for exact warranty terms.

BrandDelphi
Part NumberES20228
Connector ShapeSquare
Overall Length300.0
Package ContentsOxygen Sensor, Instruction Sheet
Position(s)Rear
Sensor TypeHeated
Thread Size18 x 1.5 mm
Wire Quantity4

This part fits 9 vehicles. Search below:

YearMakeModelSubmodelFuel TypePositionNotes
2005DodgeNeonRear
2005DodgeNeonSXTGASRear
2005DodgeNeonSEGASRear
2004DodgeNeonRear
2004DodgeNeonSEGASRear
2004DodgeNeonR/TGASRear
2003ChryslerPT CruiserGTRear
2003ChryslerPT CruiserBaseRear
2003DodgeNeonRear

* 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:

137181530123125234-4232250-24460250-246675033 200AAOS1621REA1550SG1853SG867SU3337

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