/live/media/DE/DE_ES20036_Ang.jpg)
Delphi ES20036 Oxygen Sensor - Front or Rear
| Brand | Delphi ES20036 |
|---|---|
| Position | Front and Rear |
| Sensor Type | Heated |
| Wire Quantity | 4 |
| Connector Shape | Square |
| Thread Size | 18 x 1.5 mm |
| Overall Length | 505.0 |
| Package Contents | Oxygen sensor, instruction sheet |
| Position(s) | Front, rear. for the position specific to your vehicle, refer to |
| Fits | Toyota · 14 vehicles |
Heated sensor. Delivers faster operation for dependable emissions monitoring.
Square connector. Simplifies installation with a straightforward electrical connection.
OE heritage. Built from 100 years of OE experience and supplier knowledge.
Cross-references BBB Industries 13293, Bosch 15711 and DENSO Auto Parts 234-4055 for the same application. See all 48.
Delphi ES20036 Oxygen Sensor Overview
The Delphi ES20036 is a heated oxygen sensor built for precise exhaust monitoring and OE-style fitment. With Delphi’s OE heritage and supplier experience behind it, this sensor is engineered for dependable signal response in select Toyota applications, including 1988-1991 Toyota MR2 and 1989-1991 Toyota Pickup and 4Runner coverage.
Key Features
- Heated oxygen sensor for faster operating temperature and stable feedback
- 4-wire design with square connector shape
- 18 x 1.5 mm thread size for the listed applications
- 505.0 overall length for fitment-specific routing
- Includes oxygen sensor and instruction sheet
- Fits front and rear positions depending on vehicle application
Detailed Description
Delphi ES20036 is an emission control oxygen sensor made for vehicles that require accurate exhaust oxygen measurement to support engine management. This part number is listed for 1988-1989 Toyota MR2, 1989-1991 Toyota Pickup, 1990-1991 Toyota 4Runner, and select 1989 Toyota Pickup front or rear applications with California emission system coverage. The heated design helps the sensor reach operating temperature quickly, which is important for consistent feedback during cold starts and normal driving. Delphi’s OE background is reflected in the sensor’s construction and application-specific fitment.
This part cross-references Bosch 15711 for the same application.
What It Helps Address
- Check engine light related to oxygen sensor performance
- Incorrect air-fuel ratio feedback from a worn sensor
- Slow sensor response during warm-up
- Emissions test failures tied to exhaust monitoring faults
- Rough idle or drivability issues caused by inaccurate exhaust readings
Installation Notes and Tips
- Verify the sensor position before ordering; this part is listed for front and rear locations depending on the vehicle.
- Confirm the 505.0 overall length and 18 x 1.5 mm thread size against the original sensor.
- Inspect the connector shape and wire routing before installation.
- Use the application details for your exact Toyota MR2, Pickup, or 4Runner configuration, including California emission system notes where listed.
- Follow the included instruction sheet and clear any stored fault codes after installation.
Quality Assurance
Delphi builds aftermarket parts using OE experience and knowledge developed through long-term supplier relationships with major automakers. The ES20036 reflects that OE-focused approach for emission control service on select Toyota vehicles.
| Year | Make | Model | Submodel | Drive Type | Wheel Base | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1991 | Toyota | 4Runner | — | — | — | N/A | with 505mm Overall Length |
| 1991 | Toyota | Pickup | — | — | — | N/A | with 505mm Overall Length |
| 1991 | Toyota | Pickup | — | 4WD | — | N/A | without California Emission System; with 505mm Overall Length |
| 1991 | Toyota | Pickup | — | 4WD | — | Front | with California Emission System; with 505mm Overall Length |
| 1990 | Toyota | 4Runner | — | — | — | N/A | with 505mm Overall Length |
| 1990 | Toyota | Pickup | — | — | — | N/A | with 505mm Overall Length |
| 1990 | Toyota | Pickup | — | 4WD | — | N/A | without California Emission System; with 505mm Overall Length |
| 1990 | Toyota | Pickup | — | 4WD | — | Front | with California Emission System; with 505mm Overall Length |
| 1989 | Toyota | MR2 | GT | — | — | N/A | with 505mm Overall Length |
| 1989 | Toyota | Pickup | — | — | — | N/A | with 505mm Overall Length |
| 1989 | Toyota | Pickup | — | 4WD | — | N/A | without California Emission System; with 505mm Overall Length |
| 1989 | Toyota | Pickup | — | 4WD | — | Front | with California Emission System; with 505mm Overall Length |
| 1989 | Toyota | Pickup | — | 4WD | 102.9" | Rear | with California Emission System; with 505mm Overall Length |
| 1988 | Toyota | MR2 | GT | — | — | N/A | with 505mm Overall Length |
| No rows match your filter. | |||||||