OE Quality
60-Day Returns

Walker 250-24152 Oxygen Sensor - Upstream
Overview of Walker 250-24152 Oxygen Sensor for Toyota 4Runner and Pickup
The Walker Products OE 250-24152 oxygen sensor is designed specifically for Toyota 4Runner and Pickup models. This heated oxygen sensor ensures accurate emission control by monitoring exhaust gases and providing essential data to the engine management system.
- Heated oxygen sensor with 4-wire configuration
- Specific fit for Toyota 4Runner and Pickup
- 29.06-inch wiring harness length for flexible installation
- Radiused polygon female connector for secure connection
- Flange mount with 18.0 mm thread diameter
- Wire gauge measurement of 20 for reliable signal transmission
- Overall length of 32.6 inches for proper placement
Detailed Features and Specifications
This Walker 250-24152 oxygen sensor features a heated sensor type that allows for faster warm-up times and improved emission readings. The 4-wire design supports both the sensor signal and heater circuit, ensuring consistent performance. The wiring harness length of 29.06 inches provides ample reach for installation in the exhaust system of Toyota 4Runner and Pickup vehicles. The radiused polygon female connector offers a secure and precise fit, reducing the risk of connection issues. The flange mount with an 18.0 mm thread diameter allows for straightforward installation and compatibility with the vehicle’s exhaust manifold or pipe.
Walker Products OE Line Description
The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. This oxygen sensor is part of that line, ensuring it matches the fit, form, and function required by Toyota 4Runner and Pickup models. Using a Walker Products OE sensor helps maintain proper emission control and engine efficiency by providing accurate sensor data.
Common Applications and Problem Resolution
- Restores accurate oxygen level readings for optimal fuel mixture
- Helps resolve check engine light issues related to oxygen sensor faults
- Improves vehicle emissions compliance for Toyota 4Runner and Pickup
- Prevents rough idling and poor engine performance caused by faulty sensors
- Supports efficient catalytic converter operation by providing precise data
Installation Notes and Tips
When installing the Walker 250-24152 oxygen sensor, ensure the flange mount is securely tightened to the exhaust manifold or pipe using the 18.0 mm thread diameter. Verify the radiused polygon female connector is fully seated to avoid signal interruptions. The 29.06-inch wiring harness length allows for flexible routing, but avoid sharp bends or contact with hot engine components. It is recommended to use anti-seize compound on the threads to facilitate future removal.
Quality Assurance and Warranty
Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. This part number 250-24152 undergoes rigorous testing to comply with emission control requirements for Toyota 4Runner and Pickup vehicles. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Walker |
|---|---|
| Part Number | 250-24152 |
| Position | Walker Products OE, Upstream |
| Connector Gender | Female |
| Connector Shape | Radiused Polygon |
| Mounting Type | Flange Mount |
| Overall Length | 32.6 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 29.06 |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Drive Type | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 1989 | Toyota | 4Runner | 3.0L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products OE | |
| 1989 | Toyota | 4Runner | 2.4L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE | |
| 1989 | Toyota | 4Runner | 2.4L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE | |
| 1988 | Toyota | 4Runner | 3.0L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products OE | |
| 1988 | Toyota | 4Runner | 2.4L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE | |
| 1988 | Toyota | 4Runner | 2.4L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE | |
| 1988 | Toyota | Pickup | 3.0L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products OE | |
| 1988 | Toyota | Pickup | 4WD | 2.4L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE |
| 1988 | Toyota | Pickup | 4WD | 2.4L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; 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.