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Walker 250-24281 Oxygen Sensor - Downstream or Upstream
Overview of Walker 250-24281 Oxygen Sensor for Toyota Vehicles
The Walker 250-24281 oxygen sensor is designed specifically for Toyota Cressida and Supra models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a flange mount and a radiused polygon female connector for secure installation.
- Heated oxygen sensor with 4 wires for accurate readings
- Specific fit for Toyota Cressida and Supra models
- 17.24-inch wiring harness length for flexible placement
- 20-gauge wire for reliable electrical conductivity
- Flange mount with 18.0 mm thread diameter for secure attachment
- Radiused polygon female connector for proper connection
- Overall length of 20.79 inches to accommodate engine bay layout
Detailed Product Description
This Walker Products OE oxygen sensor (part number 250-24281) is engineered to meet the exact specifications required by Toyota Cressida and Supra vehicles. The heated sensor type allows for faster warm-up times, improving emission control efficiency shortly after engine start. With a 4-wire configuration and 20-gauge wiring, this sensor provides stable and accurate oxygen level readings to the engine control unit. The flange mount design with an 18.0 mm thread diameter ensures a secure and leak-free installation. The radiused polygon female connector is designed to fit precisely with the vehicle’s wiring harness, reducing the risk of connection issues. The wiring harness length of 17.24 inches and overall length of 20.79 inches provide sufficient reach and flexibility for installation in the engine compartment.
Walker Products OE Brand Line Information
The Walker Products OE line focuses on delivering emission control components that meet or exceed original equipment specifications. This oxygen sensor is part of that line, ensuring compatibility and performance consistent with factory-installed parts. Using a Walker Products OE sensor helps maintain the integrity of the vehicle’s emission system and supports compliance with environmental regulations.
Common Applications and Issues Addressed
- Replacement for faulty or failing oxygen sensors in Toyota Cressida and Supra
- Helps resolve engine performance issues related to incorrect air-fuel mixture
- Reduces emissions by providing accurate oxygen level data to the ECU
- Prevents check engine light triggers related to oxygen sensor faults
- Improves fuel efficiency by enabling proper combustion control
Installation Notes and Tips
Ensure the vehicle is cool before beginning installation to avoid burns. Disconnect the battery to prevent electrical shorts. Remove the old oxygen sensor carefully to avoid damaging the mounting threads. Use anti-seize compound on the sensor threads if recommended by the vehicle manufacturer. Connect the radiused polygon female connector securely to the vehicle’s wiring harness. Verify the wiring harness length and routing to prevent interference with moving parts or heat sources.
Quality Assurance and Warranty
Walker Products OE oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. This part number 250-24281 is backed by Walker’s quality assurance protocols. Please refer to Walker’s official documentation for specific warranty details applicable to this oxygen sensor.
| Brand | Walker |
|---|---|
| Part Number | 250-24281 |
| Position | Walker Products OE, Downstream |
| Connector Gender | Female |
| Connector Shape | Radiused Polygon |
| Mounting Type | Flange Mount |
| Overall Length | 20.79 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 17.24 |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1992 | Toyota | Cressida | 3.0L | L6 | GAS | Downstream | Oxygen Sensor for California vehicles with ESV regulations.; Walker Products OE |
| 1991 | Toyota | Cressida | 3.0L | L6 | GAS | Downstream | Oxygen Sensor for California vehicles with ESV regulations.; Walker Products OE |
| 1990 | Toyota | Cressida | 3.0L | L6 | GAS | Downstream | Oxygen Sensor for California vehicles with ESV regulations.; Walker Products OE |
| 1989 | Toyota | Cressida | 3.0L | L6 | GAS | Downstream | Oxygen Sensor for California vehicles with ESV regulations.; Walker Products OE |
| 1988 | Toyota | Supra | 3.0L | L6 | GAS | Upstream | Oxygen sensor compatible with California emissions vehicles.; Walker Products OE |
* 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.