Delphi ES20046 Oxygen Sensor - Front or Rear
OE Quality 60-Day Returns
Delphi

Delphi ES20046 Oxygen Sensor - Front or Rear

Brand Delphi ES20046
Position Rear
Connector Shape Round
Overall Length 465.0
Package Contents Oxygen Sensor, Instruction Sheet
Position(s) Front, Rear. For the position specific to your vehicle, refer to the Application tab.
Sensor Type Heated
Thread Size 18 x 1.5 mm
Wire Quantity 4
Fits Dodge, Chrysler, Jeep, and Plymouth · 73 vehicles

Heated sensor. Delivers faster operation for more responsive emissions monitoring.

Round connector. Simplifies a secure electrical connection during installation.

OE heritage. Built with decades of original-equipment experience.

Cross-references BBB Industries 13280, BBB Industries 13413 and DENSO Auto Parts 234-4078 for the same application. See all 41.

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Delphi ES20046 Oxygen Sensor Overview

The Delphi ES20046 is a heated oxygen sensor built for precise exhaust monitoring in select Chrysler, Dodge, and Jeep applications. With OE-based engineering and a 4-wire design, it supports accurate air-fuel feedback for front and rear sensor locations where specified.

  • Heated oxygen sensor for faster operating temperature
  • 4-wire configuration with round connector shape
  • 18 x 1.5 mm thread size
  • Overall length: 465.0
  • Package includes oxygen sensor and instruction sheet
  • Position-specific use for front or rear applications, depending on vehicle

OE-Style Fitment and Construction

Delphi builds the ES20046 using more than a century of OE experience and supplier knowledge from top automakers. That background is reflected in the sensor’s fitment-focused design, including the heated element, round connector, and application-specific length for vehicles such as the Dodge Ram 1500, Dodge Viper, and Jeep Wrangler. This part cross-references Bosch 13413 for the same application.

Vehicle Fitment

  • Fits 2000-2002 Dodge Viper, rear.
  • Fits 2001 Dodge Ram 1500, rear.
  • Fits 2001 Dodge Ram 2500, rear.
  • Fits 2001 Dodge Ram 3500, rear.
  • Fits 1998-2000 Chrysler Cirrus, rear.
  • Fits 1998-2000 Chrysler Cirrus, front.
  • Fits 1998-2000 Chrysler Sebring, front.
  • Fits 2000 Dodge Ram 1500, rear.
  • Fits 1996 Dodge Ram 1500, rear.
  • Fits 2000 Dodge Ram 1500 Van, rear.
  • Fits 2000 Dodge Ram 2500, rear.
  • Fits 1996 Dodge Ram 2500, rear.
  • Fits 2000 Dodge Ram 2500 Van, rear.
  • Fits 2000 Dodge Ram 3500, rear.
  • Fits 1996 Dodge Ram 3500, rear.
  • Fits 2000 Dodge Ram 3500 Van, rear.
  • Fits 1998-2000 Dodge Stratus, rear.
  • Fits 1998-2000 Dodge Stratus, front.
  • Fits 2000 Jeep Grand Cherokee, rear.
  • Fits 2000 Jeep Wrangler, front.
  • Fits 1997-2000 Plymouth Breeze, rear.
  • Fits 1997-1999 Dodge Dakota, rear.
  • Fits 1999 Dodge Ram 1500, front.
  • Fits 1997-1999 Dodge Ram 1500, rear.
  • Fits 1999 Dodge Ram 1500 Van, rear.
  • Fits 1999 Dodge Ram 2500 Van, rear.
  • Fits 1999 Dodge Ram 3500 Van, rear.
  • Fits 1996-1999 Dodge Viper, rear.
  • Fits 1998 Dodge B1500, rear.
  • Fits 1998 Dodge B2500, rear.
  • Fits 1998 Dodge B3500, rear.
  • Fits 1997-1998 Dodge Ram 2500, rear.
  • Fits 1997-1998 Dodge Ram 3500, rear.
  • Fits 1996 Dodge Dakota, rear.

Common Problems This Sensor Can Address

  • Fault codes related to oxygen sensor performance
  • Rough idle caused by inaccurate exhaust feedback
  • Reduced fuel economy from incorrect air-fuel readings
  • Emissions test failures tied to a worn sensor
  • Delayed sensor response during cold starts

Installation Notes

Confirm the exact front or rear position for your vehicle before ordering, since this part is application-specific. Verify the thread size, connector shape, and overall length against the original sensor, and follow the included instruction sheet during installation. For 2000 Jeep Wrangler and Dodge Ram applications, review the notes carefully, including California emissions and pigtail-length requirements where listed.

Quality Assurance

Delphi’s OE heritage and supplier experience are built into this aftermarket oxygen sensor, with engineering informed by original-equipment development practices. The ES20046 is intended for direct-fit replacement in listed applications and is backed by Delphi’s manufacturing standards.

Related reading

This part fits 73 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypePositionNotes
2002DodgeViper——Rearwith 18in Pigtail
2001DodgeRam 1500——RearTo 02/21/2000
2001DodgeRam 1500——Rearwith 18in Pigtail; To 02/21/2000
2001DodgeRam 2500——Rearwith 18in Pigtail; To 02/21/2000
2001DodgeRam 2500——RearTo 02/21/2000
2001DodgeRam 3500——Rearwith 18in Pigtail; To 02/21/2000
2001DodgeRam 3500——RearTo 02/21/2000
2001DodgeViper——Rearwith 18in Pigtail
2000ChryslerCirrus——Rear—
2000ChryslerCirrus——Front—
2000ChryslerSebring——Front—
2000DodgeRam 1500——Rearwith 18in Pigtail
2000DodgeRam 1500 Van——Rearwith 18in Pigtail
2000DodgeRam 2500——Rearwith 18in Pigtail
2000DodgeRam 2500 Van——Rearwith 18in Pigtail
2000DodgeRam 3500——Rearwith 18in Pigtail
2000DodgeRam 3500 Van——Rearwith 18in Pigtail
2000DodgeStratus——Rear—
2000DodgeStratus——Front—
2000DodgeViper——Rearwith 18in Pigtail
2000JeepGrand Cherokee——Rearwith 18in Pigtail
2000JeepWrangler——FrontCylinders 1 through 3; with California Emission System
2000JeepWrangler——Front—
2000PlymouthBreeze——Rear—
1999ChryslerCirrus——Rear—
1999ChryslerCirrus——Front—
1999ChryslerSebring——Front—
1999DodgeDakota——Rearwith 18in Pigtail
1999DodgeRam 1500—Standard Cab PickupFrontwith 18in Pigtail
1999DodgeRam 1500——Rear—
1999DodgeRam 1500—Standard Cab PickupFront—
1999DodgeRam 1500—Extended Cab PickupRear—
1999DodgeRam 1500—Crew Cab PickupRear—
1999DodgeRam 1500——Front—
1999DodgeRam 1500 Van——Rear—
1999DodgeRam 2500 Van——Rear—
1999DodgeRam 3500 Van——Rear—
1999DodgeStratus——Rear—
1999DodgeStratus——Front—
1999DodgeViper——Rear—
1999PlymouthBreeze——Rear—
1998ChryslerCirrus——Rear—
1998ChryslerCirrus——Front—
1998ChryslerSebring——Front—
1998DodgeB1500——Rear—
1998DodgeB2500——Rear—
1998DodgeB3500——Rear—
1998DodgeDakota——Rearwith 18in Pigtail
1998DodgeRam 1500Sport—Rear—
1998DodgeRam 1500ST—Rear—
1998DodgeRam 1500Laramie—Rear—
1998DodgeRam 1500——Rear—
1998DodgeRam 2500——Rear—
1998DodgeRam 3500——Rear—
1998DodgeStratus——Rear—
1998DodgeStratus——Front—
1998DodgeViper——Rear—
1998PlymouthBreeze——Rear—
1997DodgeDakota——Rearwith 18in Pigtail
1997DodgeRam 1500Sport—Rear—
1997DodgeRam 1500ST—Rear—
1997DodgeRam 1500Laramie—Rear—
1997DodgeRam 1500——Rear—
1997DodgeRam 2500——Rear—
1997DodgeRam 3500——Rear—
1997DodgeViper——Rear—
1997PlymouthBreeze——Rear—
1996DodgeDakota——Rear—
1996DodgeRam 1500Base—Rearwith 18in Pigtail
1996DodgeRam 1500——Rearwith 18in Pigtail
1996DodgeRam 2500——Rearwith 18in Pigtail
1996DodgeRam 3500——Rearwith 18in Pigtail
1996DodgeViper——Rear—
Directly replaces or cross-references 41 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BBB Industries — 13280BBB Industries — 13413DENSO Auto Parts — 234-4078DENSO Auto Parts — 234-4079Febi-Bilstein — 23014Gates — 23048Gates — 23099Gates — 23106138-254250-240794606 135AB4606 950AB5604 10045604 11075604 1212AB5604 1212AF21313192131320213136921313702131372213137321313742131375213138846061354606135AC4606950OS192OS841OS842OS1030OS1140REA1003SG258SG458SG645SG1816SU3063SU3102SU3103