HomeEmission Control > SensorsDelphi ES20032 Oxygen Sensor - Front, Left or Rear
Part #: ES20032

Delphi ES20032 Oxygen Sensor - Front, Left or Rear

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26 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Toyota and Lexus, Land Cruiser, ES250, Camry, Pickup, Celica, and MR2
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Delphi ES20032 Heated Oxygen Sensor Overview

The Delphi ES20032 is a heated oxygen sensor designed for precise emission control in select Lexus and Toyota vehicles. Engineered with a 4-wire configuration and a square connector, this sensor ensures accurate air-fuel mixture readings for optimal engine performance.

  • Heated oxygen sensor with 4 wires for reliable operation
  • Square connector shape for secure and proper fitment
  • Thread size of 18 x 1.5 mm compatible with specified vehicles
  • Overall length of 375.0 mm for correct installation depth
  • Includes oxygen sensor and instruction sheet for installation guidance

Technical Details and Compatibility

The Delphi ES20032 oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving sensor response time and reducing emissions during cold starts. The 4-wire setup supports both the sensor element and the heating circuit, ensuring consistent performance. Its square connector shape and 18 x 1.5 mm thread size are tailored for direct replacement in front, left, or rear positions depending on the vehicle's specific requirements. This sensor is compatible with various Lexus and Toyota models, including the Camry, Celica, ES250, Land Cruiser, MR2, and Pickup.

Applications and Problem Resolution

  • Helps maintain proper air-fuel ratio for efficient combustion
  • Reduces engine misfires caused by faulty oxygen sensor readings
  • Improves fuel economy by providing accurate feedback to the engine control unit
  • Assists in lowering harmful emissions to meet regulatory standards
  • Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Delphi ES20032 oxygen sensor, ensure the engine is cool to avoid burns. Use the included instruction sheet for guidance on sensor positioning and connector attachment. Verify the thread size matches the vehicle’s exhaust port to prevent cross-threading. It is recommended to apply anti-seize compound on the threads before installation to facilitate future removal. Confirm the sensor’s position (front, left, or rear) according to your vehicle’s specifications for optimal performance.

Quality Assurance and Warranty

Delphi manufactures the ES20032 oxygen sensor to meet OEM standards for durability and accuracy. Each sensor undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects to provide confidence in product quality.

BrandDelphi
Part NumberES20032
Connector ShapeSquare
Overall Length375.0
Package ContentsOxygen Sensor, Instruction Sheet
Position(s)Front, Left, Rear. For the position specific to your vehicle, refer to the Application tab.
Sensor TypeHeated
Thread Size18 x 1.5 mm
Wire Quantity4

This part fits 26 vehicles. Search below:

YearMakeModelSubmodelDrive TypeWheel BasePositionNotes
1992ToyotaLand CruiserLeftwith 375mm Overall Length
1991LexusES250N/Awith 375mm Overall Length; with Flange
1991ToyotaCamryN/Awith 375mm Overall Length; with Flange
1991ToyotaLand CruiserLeftwith 375mm Overall Length
1991ToyotaPickupRWDN/Awith 375mm Overall Length; without California Emission System
1991ToyotaPickupRWDFrontwith 375mm Overall Length; with California Emission System
1991ToyotaPickup4WD121.5"Rearwith 375mm Overall Length; with California Emission System
1991ToyotaPickup4WD112.2"Rearwith 375mm Overall Length; with California Emission System
1990LexusES250N/Awith 375mm Overall Length; with Flange
1990ToyotaCamryN/Awith 375mm Overall Length; with Flange
1990ToyotaLand CruiserLeftwith 375mm Overall Length
1990ToyotaPickupRWDN/Awith 375mm Overall Length; without California Emission System
1990ToyotaPickupRWDFrontwith 375mm Overall Length; with California Emission System
1990ToyotaPickupN/Awith 375mm Overall Length; Standard
1990ToyotaPickup4WD121.5"Rearwith 375mm Overall Length; with California Emission System
1990ToyotaPickup4WD112.2"Rearwith 375mm Overall Length; with California Emission System
1989ToyotaCamryN/Awith 375mm Overall Length; with Flange
1989ToyotaCelicaN/Awith 375mm Overall Length
1989ToyotaPickupRWDN/Awith 375mm Overall Length; without California Emission System
1989ToyotaPickupRWDFrontwith 375mm Overall Length; with California Emission System
1989ToyotaPickupN/Awith 375mm Overall Length; Standard
1989ToyotaPickup4WD121.5"Rearwith 375mm Overall Length; with California Emission System
1989ToyotaPickup4WD112.2"Rearwith 375mm Overall Length; with California Emission System
1988ToyotaCamryFrontwith 375mm Overall Length
1988ToyotaCelicaN/Awith 375mm Overall Length
1988ToyotaMR2Super ChargedN/Awith 375mm Overall Length

* 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:

13405138-399138-401157112131217213122521313562131359213136021314312131466234-4051245362502405189465-1924589465-1942589465-2010089465-2011089465-2920589465-2921589465-2927589465-2928589465-3204089465-3503089465-3922589465-3922689465-3928589465-3928689465-69025OS594OS598OS600REA1061SG18SG261SG263SU4817SU4848SU4849SU4953

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