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Delphi ES20193 Oxygen Sensor - Rear
Overview of Delphi ES20193 Oxygen Sensor for Toyota Tacoma
The Delphi ES20193 is a heated oxygen sensor designed specifically for the rear position on Toyota Tacoma models. This sensor helps maintain optimal engine performance and emissions control by accurately monitoring exhaust gases.
- Heated oxygen sensor type for faster response times
- Four-wire design ensuring reliable electrical connections
- Square connector shape for secure fitment
- Thread size of 18 x 1.5 mm compatible with Toyota Tacoma exhaust systems
- Overall length of 960 mm for proper installation
- Includes oxygen sensor and instruction sheet for installation guidance
Detailed Product Description
The Delphi ES20193 oxygen sensor is engineered to meet the specific requirements of Toyota Tacoma vehicles. Featuring a heated sensor element, it quickly reaches operating temperature to provide accurate oxygen level readings. The four-wire configuration supports both the sensor signal and heater circuit, improving sensor responsiveness and durability. Its square connector shape ensures a secure and precise connection to the vehicle’s wiring harness, while the 18 x 1.5 mm thread size matches the factory specifications for rear exhaust placement. With an overall length of 960 mm, this sensor fits seamlessly into the exhaust system without modification.
Common Applications and Issues Addressed
- Helps reduce emissions by providing accurate air-fuel mixture data
- Prevents engine performance issues related to faulty oxygen sensors
- Resolves check engine light triggers caused by rear oxygen sensor faults
- Improves fuel efficiency by enabling proper engine tuning
- Supports compliance with emissions regulations for Toyota Tacoma vehicles
Installation Notes and Tips
- Ensure the vehicle is cool before sensor removal to avoid burns
- Use the included instruction sheet for proper installation steps
- Apply anti-seize compound to the sensor threads if recommended
- Verify connector shape matches the vehicle harness before installation
- Torque sensor to manufacturer specifications to prevent leaks
Quality Assurance and Warranty
Delphi oxygen sensors are manufactured to meet OEM standards for fit, form, and function. The ES20193 part number undergoes rigorous testing to ensure durability and accurate performance in Toyota Tacoma applications. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship to provide confidence in product reliability.
| Brand | Delphi |
|---|---|
| Part Number | ES20193 |
| Connector Shape | Square |
| Overall Length | 960.0 |
| Package Contents | Oxygen Sensor, Instruction Sheet |
| Position(s) | Rear |
| Sensor Type | Heated |
| Thread Size | 18 x 1.5 mm |
| Wire Quantity | 4 |
This part fits 15 vehicles. Search below:
| Year | Make | Model | Body Type | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | Toyota | Tacoma | Rear | |||
| 2004 | Toyota | Tacoma | Standard Cab Pickup | Rear | ||
| 2004 | Toyota | Tacoma | Extended Cab Pickup | Rear | ||
| 2003 | Toyota | Tacoma | Rear | |||
| 2003 | Toyota | Tacoma | Standard Cab Pickup | Rear | ||
| 2003 | Toyota | Tacoma | Extended Cab Pickup | Rear | ||
| 2002 | Toyota | Tacoma | Rear | |||
| 2002 | Toyota | Tacoma | Standard Cab Pickup | Rear | ||
| 2002 | Toyota | Tacoma | Extended Cab Pickup | Rear | ||
| 2001 | Toyota | Tacoma | Rear | |||
| 2001 | Toyota | Tacoma | Standard Cab Pickup | Rear | ||
| 2001 | Toyota | Tacoma | Extended Cab Pickup | Rear | ||
| 2000 | Toyota | Tacoma | RWD | Rear | with California Emission System | |
| 2000 | Toyota | Tacoma | Standard Cab Pickup | 4WD | Rear | with California Emission System |
| 2000 | Toyota | Tacoma | Standard Cab Pickup | Rear | with California Emission System |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.