HomeEmission Control > SensorsDelphi ES20199 Oxygen Sensor - Rear Right
Part #: ES20199

Delphi ES20199 Oxygen Sensor - Rear Right

Rear Right
4 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Jeep, Grand Cherokee
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Delphi ES20199 Heated Oxygen Sensor Overview

The Delphi ES20199 is a heated oxygen sensor designed specifically for the rear right position on Jeep Grand Cherokee models. This sensor plays a critical role in monitoring exhaust gases to optimize engine performance and emissions control.

  • Heated sensor type for faster response times
  • 4-wire configuration ensuring accurate signal transmission
  • Square connector shape for secure and reliable connection
  • Thread size of 18 x 1.5 mm for precise fitment
  • Overall length of 300.0 mm for proper installation depth
  • Includes oxygen sensor and instruction sheet

Detailed Product Description

The Delphi ES20199 oxygen sensor is engineered to meet the specific requirements of Jeep Grand Cherokee vehicles, focusing on the rear right exhaust position. Its heated design allows the sensor to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire setup supports both the sensor signal and the heating element, ensuring consistent and reliable data output. The square connector shape provides a secure electrical connection, minimizing the risk of disconnection or signal loss. With a thread size of 18 x 1.5 mm and an overall length of 300.0 mm, this sensor fits precisely in the designated mounting location, facilitating straightforward installation.

Common Applications and Issues Addressed

  • Helps maintain optimal air-fuel mixture for efficient combustion
  • Reduces engine misfires caused by faulty oxygen sensor readings
  • Prevents increased emissions and failed emissions tests
  • Improves fuel economy by providing accurate exhaust data
  • Resolves check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Delphi ES20199 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct tools to avoid damaging the sensor threads. Verify the square connector is fully seated to prevent electrical issues. Follow the included instruction sheet for torque specifications and wiring guidance. It is recommended to inspect the wiring harness for damage before installation.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM standards, ensuring reliable performance and durability. The ES20199 part number undergoes rigorous testing to comply with emission control requirements. 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 NumberES20199
Connector ShapeSquare
Overall Length300.0
Package ContentsOxygen Sensor, Instruction Sheet
Position(s)Rear Right
Sensor TypeHeated
Thread Size18 x 1.5 mm
Wire Quantity4

This part fits 4 vehicles. Search below:

YearMakeModelPositionNotes
2004JeepGrand CherokeeRear Right
2003JeepGrand CherokeeRear Right
2002JeepGrand CherokeeRear Right
2001JeepGrand CherokeeRear Right

* 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:

13776138-73713937154402131536234-474623529250-242545604 1731AA5604 4583AAOS1490OS2424REA1502REA1891SG1591SG1854SG737SU3275

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