Walker 250-24151 Oxygen Sensor - Downstream or Upstream

Overview of Walker 250-24151 Oxygen Sensor for Toyota Vehicles

The Walker 250-24151 oxygen sensor is designed specifically for select Toyota models including the 4Runner, Celica, Pickup, and T100. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases precisely.

• Heated oxygen sensor with flange mount installation
• Specific fit for Toyota 4Runner, Celica, Pickup, and T100
• 11.34-inch wiring harness length with 4 wires of 20 gauge
• Radiused polygon male connector for secure connection
• 18.0 mm thread diameter and 14.88-inch overall length

Detailed Features and Specifications

This Walker Products OE oxygen sensor (part number 250-24151) features a heated sensor element that allows for faster warm-up times and improved emissions monitoring. The sensor is designed with a flange mount type for secure and precise installation. It includes a radiused polygon male connector with four 20-gauge wires, providing reliable electrical connections and compatibility with the vehicle’s wiring harness. The wiring harness length measures 11.34 inches, while the overall sensor length is 14.88 inches, ensuring proper fitment within the exhaust system. The thread diameter of 18.0 mm matches OEM specifications for a direct replacement.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory standards. This oxygen sensor is part of that line, ensuring compatibility and performance consistent with the original sensor installed on Toyota 4Runner, Celica, Pickup, and T100 models. Using a Walker Products OE sensor helps maintain emissions compliance and engine efficiency.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel economy by ensuring correct emissions feedback
• Reduces exhaust emissions by maintaining sensor responsiveness
• Prevents engine performance issues caused by faulty sensor readings

Installation Notes and Tips

When installing the Walker 250-24151 oxygen sensor, ensure the flange mount is securely fastened to prevent exhaust leaks. Verify the connector’s radiused polygon male shape matches the vehicle’s wiring harness for a proper fit. Handle the sensor carefully to avoid damaging the heated element or wiring. 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 for durability and performance. This part number 250-24151 undergoes rigorous testing to ensure reliable operation in Toyota 4Runner, Celica, Pickup, and T100 vehicles. Warranty coverage details should be confirmed with the supplier or manufacturer.