OE Quality
60-Day Returns

Walker 250-24404 Oxygen Sensor - Downstream, Upstream Left or Upstream Right
Overview of Walker 250-24404 Oxygen Sensor for Jaguar and Toyota
The Walker 250-24404 oxygen sensor is designed specifically for select Jaguar and Toyota models, including the MR2 Spyder, XJ12, and XJS. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine management system.
- Heated oxygen sensor with 4-wire configuration
- Specific fit for Jaguar XJ12, XJS, and Toyota MR2 Spyder
- 32.99-inch wiring harness length for flexible installation
- 20-gauge wire for reliable signal transmission
- Radiused polygon male connector for secure connection
- Threaded mounting type with 18.0 mm thread diameter
- Overall length of 36.54 inches for proper fitment
Detailed Features and Specifications
This Walker oxygen sensor (part number 250-24404) features a heated sensor type that allows for faster warm-up times and improved emissions monitoring. The 4-wire design includes two wires for the heating element and two for the sensor signal, ensuring accurate and stable readings. The wiring harness length of approximately 33 inches provides sufficient reach for installation in the engine bay, while the 20-gauge wire gauge supports durability and signal integrity.
The sensor’s connector is a radiused polygon shape with a male gender, designed to match the factory wiring harness on compatible Jaguar and Toyota vehicles. The threaded mounting type with an 18.0 mm diameter allows for secure and proper installation in the exhaust system. The overall length of 36.54 inches ensures the sensor fits correctly without strain or excess slack.
Walker Products OE Brand Line
The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM specifications. This oxygen sensor is part of that line, providing a direct replacement solution engineered to maintain factory performance and emissions standards for Jaguar and Toyota vehicles. Choosing a Walker Products OE sensor helps ensure compatibility and reliability consistent with the original sensor installed by the manufacturer.
Common Applications and Problem Resolution
- Restores accurate air-fuel ratio readings for engine control units
- Helps resolve rough idling or engine hesitation caused by faulty sensors
- Reduces emissions by ensuring proper catalytic converter function
- Prevents check engine light triggers related to oxygen sensor faults
- Improves fuel efficiency by maintaining correct sensor feedback
Installation Notes and Tips
When installing the Walker 250-24404 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness or connector. Verify the connector shape and gender match the factory harness before installation. Thread the sensor carefully into the exhaust port to avoid cross-threading. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.
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. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain compliance with emissions regulations and supports long-term vehicle reliability.
| Brand | Walker |
|---|---|
| Part Number | 250-24404 |
| Position | Walker Products OE, Downstream |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 36.54 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 32.99 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2005 | Toyota | MR2 Spyder | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE |
| 2004 | Toyota | MR2 Spyder | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE |
| 2003 | Toyota | MR2 Spyder | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE |
| 2002 | Toyota | MR2 Spyder | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE |
| 2001 | Toyota | MR2 Spyder | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE |
| 2000 | Toyota | MR2 Spyder | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE |
| 1996 | Jaguar | XJ12 | 6.0L | V12 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 1996 | Jaguar | XJ12 | 6.0L | V12 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 1995 | Jaguar | XJ12 | 6.0L | V12 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 1995 | Jaguar | XJ12 | 6.0L | V12 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 1995 | Jaguar | XJS | 6.0L | V12 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 1995 | Jaguar | XJS | 6.0L | V12 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; 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.