Walker 250-24486 Oxygen Sensor - Downstream or Upstream

Overview of Walker 250-24486 Oxygen Sensor for Toyota and Pontiac

The Walker Products OE 250-24486 oxygen sensor is designed specifically for select Toyota and Pontiac models, including the Corolla, Matrix, and Vibe. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.

• Heated oxygen sensor with 4-wire design for reliable operation
• Specific fit for Toyota Corolla, Matrix, and Pontiac Vibe
• 18.82-inch wiring harness length with 20-gauge wire for durability
• Radiused polygon male connector for secure electrical connection
• Threaded mounting type with 18.0 mm thread diameter for easy installation
• Overall length of 22.36 inches to accommodate factory specifications

Detailed Features and Specifications

This Walker 250-24486 oxygen sensor features a heated sensor type that allows for faster warm-up times and improved emissions monitoring. The 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance. The wiring harness length of 18.82 inches and 20-gauge wire provide a balance of flexibility and durability, suitable for the engine bay environment. The radiused polygon male connector is designed to match factory connectors, reducing the risk of poor connections or electrical issues. With a threaded mounting type and an 18.0 mm thread diameter, this sensor installs securely in the exhaust system, maintaining proper positioning for accurate readings.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering emission control components that meet original equipment specifications. This oxygen sensor is engineered to match the fit, form, and function of the factory-installed sensor, ensuring compatibility and reliable operation in Toyota Corolla, Matrix, and Pontiac Vibe vehicles. The OE line emphasizes quality materials and precise manufacturing to support emission standards and vehicle performance.

Applications and Common Issues Addressed

• Restores proper air-fuel ratio monitoring for improved fuel efficiency
• Resolves check engine light triggers related to oxygen sensor faults
• Helps reduce harmful emissions by providing accurate sensor data
• Prevents engine performance issues caused by faulty oxygen sensors
• Supports smooth engine idling and acceleration by maintaining sensor accuracy

Installation Notes and Tips

When installing the Walker 250-24486 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to facilitate future removal. Confirm the radiused polygon male connector aligns properly with the vehicle’s wiring harness to avoid damage. Verify the wiring harness length and routing to prevent contact with hot exhaust components or moving parts.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable 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 operation.