Delphi ES20149 Oxygen Sensor - Rear
OE Quality 60-Day Returns
Delphi

Delphi ES20149 Oxygen Sensor - Rear

Brand Delphi ES20149
Position Rear
Connector Shape Round
Overall Length 820.0
Package Contents Oxygen Sensor, Instruction Sheet
Sensor Type Heated
Thread Size 18 x 1.5 mm
Wire Quantity 4
Fits Dodge and Plymouth · 2 vehicles

Heated sensor. Delivers faster operation for dependable emissions monitoring.

Round connector. Simplifies installation with a straightforward electrical connection.

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

Cross-references Bosch 13315, DENSO Auto Parts 234-4614 and Gates 23123 for the same application. See all 17.

$81.46Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing β€” free returns if it doesn't
Step 2 — Quantity
Order total $81.46
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Oxygen Sensor options

Rear Oxygen Sensor for Dodge Neon and Plymouth Neon

Delphi ES20149 is a heated rear oxygen sensor built for direct replacement on select 2000 Dodge Neon and 2000 Plymouth Neon applications. It uses a 4-wire design, round connector shape, and 18 x 1.5 mm thread size for a precise OE-style fit.

  • Heated oxygen sensor for rear position applications
  • 4-wire configuration with round connector
  • 18 x 1.5 mm thread size
  • Overall length: 820.0
  • Package contents: oxygen sensor and instruction sheet
  • Delphi part number ES20149

OE-Style Emissions Control Replacement

Delphi draws on more than a century of OE experience and supplier knowledge used by major automakers, and that engineering background is reflected in this rear oxygen sensor. ES20149 is made for 2000 Dodge Neon rear sensor service and 2000 Plymouth Neon rear sensor replacement, helping restore accurate exhaust monitoring in the emissions control system. If you are searching for a rear oxygen sensor for 2000 Dodge Neon or a rear oxygen sensor for 2000 Plymouth Neon, ES20149 is the direct-fit reference to compare.

This part cross-references Bosch 13315 and DENSO Auto Parts 234-4614 for the same application.

What This Sensor Helps Address

  • Check engine light related to rear oxygen sensor performance
  • Incorrect exhaust oxygen readings reported to the engine control system
  • Emissions test failures tied to sensor response issues
  • Rough fuel control caused by aging sensor output
  • Replacement needs after sensor contamination or wear

Installation Notes and Tips

Confirm rear sensor placement before ordering, since this part is listed for the rear position only. Match the 4-wire connector, round connector shape, and 18 x 1.5 mm thread size to the original sensor, and verify the 820.0 overall length against the existing harness routing. Delphi ES20149 includes an instruction sheet for installation reference.

Quality Assurance

Delphi builds this oxygen sensor using OE heritage and application knowledge developed through long-term supplier experience with leading automakers. That background supports consistent fitment and emissions-system service for compatible 2000 Dodge Neon and Plymouth Neon rear sensor applications.

Related reading

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2000DodgeNeonRearExcept Ultra Low Emission Vehicle (ULEV)
2000PlymouthNeonRearExcept Ultra Low Emission Vehicle (ULEV)
Directly replaces or cross-references 17 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Bosch — 13315DENSO Auto Parts — 234-4614Gates — 23123OSC — 13321138-557250-246665293 037AD213137321313742131397213147625024614OS1139REA1039SG430SG1821SU3172