Walker 250-24155 Oxygen Sensor - Downstream

Overview of Walker 250-24155 Oxygen Sensor

The Walker 250-24155 oxygen sensor is designed specifically for select Lexus and Toyota models, including the 4Runner, RAV4, SC300, T100, and Tacoma. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated sensor type for faster response times
• Specific fit for Lexus and Toyota vehicles
• 23.35-inch wiring harness length for precise installation
• 20 gauge wire with 4-wire configuration
• Radiused polygon male connector for secure connection
• 18.0 mm thread diameter with flange mount design
• Overall length of 26.89 inches for proper fitment

Walker Products OE Brand Line Details

This oxygen sensor is part of the Walker Products OE line, which focuses on delivering original equipment quality parts. Walker Products OE components are engineered to meet or exceed OEM specifications, ensuring reliable performance and compatibility with the intended vehicle applications. The 250-24155 sensor maintains the standards expected from Walker’s OE line, providing a direct replacement for factory-installed sensors on compatible Lexus and Toyota models.

Product Description and Attributes

The Walker 250-24155 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving emissions control efficiency. It includes a 4-wire design with 20 gauge wires, which supports both the sensor signal and heater circuit. The wiring harness length of 23.35 inches and overall length of 26.89 inches provide the necessary reach for proper installation without excess slack. The sensor’s radiused polygon male connector ensures a secure and precise fit, while the 18.0 mm thread diameter and flange mount type facilitate straightforward mounting in the exhaust system.

Compatible Vehicles and Applications

• Designed specifically for Lexus 4Runner and SC300 models
• Compatible with Toyota RAV4, T100, and Tacoma vehicles
• Used in emission control systems to monitor oxygen levels in exhaust gases
• Helps maintain optimal air-fuel mixture for engine efficiency
• Supports compliance with emissions regulations

Installation Notes and Tips

• Ensure the vehicle is cool before removing the old sensor to avoid burns
• Use appropriate tools to avoid damaging the 18.0 mm thread diameter
• Verify connector orientation matches the radiused polygon male connector
• Check wiring harness length to confirm proper routing without tension
• Follow vehicle-specific service manual instructions for sensor replacement

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 for part number 250-24155 may vary, Walker typically offers coverage against defects in materials and workmanship. This sensor is engineered to provide consistent operation within the emission control system of compatible Lexus and Toyota vehicles.