Delphi ES20192 Oxygen Sensor - Rear

Brand Delphi ES20192
Position Rear
Sensor Type Heated
Wire Quantity 4
Connector Shape Square
Thread Size 18 x 1.5 mm
Overall Length 655.0
Package Contents Oxygen sensor, instruction sheet
Fits Lexus and Toyota · 21 vehicles

Heated sensor. Delivers faster operation for responsive emissions monitoring.

Square connector. Simplifies installation with a straightforward plug-in fit.

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

Cross-references BBB Industries 13916, Bosch 13142 and Bosch 13520 for the same application. See all 56.

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Rear Heated Oxygen Sensor for Toyota and Lexus

Delphi ES20192 is a rear heated oxygen sensor built for specific Toyota and Lexus applications. It uses a 4-wire design with a square connector and 18 x 1.5 mm thread size, making it a direct-fit replacement for the listed rear sensor positions.

Key Features

  • Heated oxygen sensor for rear placement
  • 4-wire configuration with square connector shape
  • 18 x 1.5 mm thread size
  • Overall length: 655.0
  • Includes oxygen sensor and instruction sheet
  • Delphi ES20192 part number for OE-style replacement selection

Detailed Product Overview

Delphi brings more than a century of OE experience to this oxygen sensor, with supplier knowledge drawn from work with major automakers. The ES20192 is engineered for rear sensor locations on select Toyota 4Runner, RAV4, Tacoma, T100, and Lexus SC300 applications. It is a practical choice when replacing a rear oxygen sensor on a 1992-2000 Lexus SC300 or on Toyota models such as the 1998-2000 RAV4 and 1998-2000 Tacoma.

This part cross-references Bosch 13142 and DENSO Auto Parts 234-4155 for the same application.

What It Helps Address

  • Check engine light related to rear oxygen sensor performance
  • Incorrect exhaust oxygen readings from a worn sensor
  • Fuel control issues caused by slow sensor response
  • Emission test failures tied to rear sensor faults
  • Replacement needs after sensor aging or contamination

Installation Notes and Fitment

  • Fits 1999-2000 Toyota 4Runner, Rear, with California Emission System
  • Fits 1998-2000 Toyota RAV4, Rear
  • Fits 2000 Toyota Tacoma, Rear, with California Emission System
  • Fits 2000 Toyota Tacoma, Rear, without California Emission System
  • Fits 1998-1999 Toyota Tacoma, Rear
  • Fits 1992-1997 Lexus SC300, Rear
  • Fits 1994 Toyota T100, Rear, with California Emission System

Verify connector shape, thread size, and rear sensor location before installation. The 655.0 overall length should be matched to the original routing and mounting path on the vehicle. Follow the included instruction sheet and confirm the exhaust system is cool before service.

Quality Assurance

Delphi builds aftermarket parts using OE heritage and engineering knowledge developed through long-term supplier experience with leading automakers. That background supports consistent fitment and sensor performance for the listed Toyota and Lexus rear oxygen sensor applications.

This part fits 21 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypeDrive TypePositionNotes
2000Toyota4RunnerRWDRearwith California Emission System
2000ToyotaRAV4Rear
2000ToyotaTacomaRWDRearwith California Emission System
2000ToyotaTacoma4WDRearwith California Emission System
2000ToyotaTacomaRWDRearwithout California Emission System
2000ToyotaTacomaExtended Cab Pickup4WDRearwith California Emission System
2000ToyotaTacomaExtended Cab PickupRearwith California Emission System
1999Toyota4RunnerRWDRearwith California Emission System
1999ToyotaRAV4Rear
1999ToyotaTacomaRWDRear
1998ToyotaRAV4Rear
1998ToyotaTacomaSR5RWDRear
1998ToyotaTacomaPre RunnerRWDRear
1998ToyotaTacomaBaseRWDRear
1997LexusSC300Rear
1996LexusSC300Rear
1995LexusSC300Rear
1994LexusSC300Rear
1994ToyotaT1004WDRearwith California Emission System
1993LexusSC300Rear
1992LexusSC300Rear
Directly replaces or cross-references 56 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BBB Industries — 13916Bosch — 13142Bosch — 13520Bosch — 15211Carlson — 13164DENSO Auto Parts — 234-4155DENSO Auto Parts — 234-4159DENSO Auto Parts — 234-4189DENSO Auto Parts — 234-4214Dorman - HELP — 13920Four Seasons — 24140Gates — 24555138-625138-720234-42042456889465-0401089465-0909089465-0926089465-2952589465-2989589465-3970589465-4906589465-8001989465-8002921311992131200213139421314322131434213143521314362131440213148325024155OS1418OS1446OS1554OS1575REA1139REA1534REA1542SG665SG693SG788SG800SG821SG1842SG1843SU4794SU4859SU4869SU4926SU4942SU4962SU4964