Delphi ES20199 Oxygen Sensor - Rear Right
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Delphi

Delphi ES20199 Oxygen Sensor - Rear Right

Brand Delphi ES20199
Position Rear Right
Connector Shape Square
Overall Length 300.0
Package Contents Oxygen Sensor, Instruction Sheet
Sensor Type Heated
Thread Size 18 x 1.5 mm
Wire Quantity 4
Fits Jeep · 4 vehicles

Heated sensor. Helps the oxygen sensor reach operating temperature quickly.

Square connector. Provides a straightforward electrical connection.

OE heritage. Built with 100 years of OE experience and supplier knowledge.

Cross-references BBB Industries 13937, Continental 15440 and DENSO Auto Parts 234-4746 for the same application. See all 18.

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Delphi ES20199 Oxygen Sensor for Jeep Grand Cherokee

Delphi ES20199 is a heated oxygen sensor built for rear right placement on select 2001-2004 Jeep Grand Cherokee models. It combines OE-based engineering with the fit and electrical characteristics needed for accurate exhaust feedback in the emission control system.

Key Features

  • Heated oxygen sensor for faster operating temperature
  • 4-wire design with square connector shape
  • 18 x 1.5 mm thread size
  • 300.0 overall length
  • Includes oxygen sensor and instruction sheet
  • Rear right position

Detailed Description

Delphi ES20199 is an emission control sensor for the rear right location on 2001-2004 Jeep Grand Cherokee applications. Delphi draws on more than a century of OE experience and supplier knowledge used by major automakers, bringing OE heritage into this aftermarket oxygen sensor. This part cross-references DENSO Auto Parts 234-4746 and Dorman - HELP 13776 for the same application. If you are replacing a rear oxygen sensor on a Jeep Grand Cherokee, Delphi ES20199 provides the correct heated, 4-wire configuration and threaded fitment for the specified application.

Common Issues This Part Can Address

  • Check engine light related to oxygen sensor performance
  • Incorrect exhaust oxygen readings at the rear right sensor location
  • Emission control faults tied to aging sensor response
  • Rough or inconsistent fuel control caused by a failing sensor signal
  • Inspection or emissions test failures linked to sensor malfunction

Installation Notes and Tips

Verify rear right placement before installation and confirm the 18 x 1.5 mm thread size matches the exhaust bung. Inspect the connector shape and wire routing against the original sensor on the Jeep Grand Cherokee to ensure proper connection and clearance. Follow the included instruction sheet and use the vehicle’s service information for torque and connector handling procedures.

Quality Assurance

Delphi builds this oxygen sensor using OE-based engineering and supplier experience developed through work with leading automakers. That background supports consistent fitment and sensor construction for 2001-2004 Jeep Grand Cherokee rear right applications.

Related reading

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2004JeepGrand CherokeeRear Right—
2003JeepGrand CherokeeRear Right—
2002JeepGrand CherokeeRear Right—
2001JeepGrand CherokeeRear Right—
Directly replaces or cross-references 18 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BBB Industries — 13937Continental — 15440DENSO Auto Parts — 234-4746Dorman - HELP — 13776Gates — 23529138-737250-242545604 1731AA5604 4583AA2131536OS1490OS2424REA1502REA1891SG737SG1591SG1854SU3275