Walker 250-24838 Oxygen Sensor - Downstream

Overview of Walker 250-24838 Oxygen Sensor for Toyota RAV4

The Walker 250-24838 oxygen sensor is designed specifically for Toyota RAV4 models, providing precise emission control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for Toyota RAV4 vehicles
• 24.13-inch wiring harness length for flexible routing
• 20-gauge wire for reliable signal transmission
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Overall length of 27.68 inches for proper fitment

Walker Products OE Line Details

This oxygen sensor is part of the Walker Products OE line, which focuses on providing original equipment quality parts designed to meet or exceed factory specifications. The Walker Products OE line ensures compatibility and durability, making it a suitable replacement part for emission control systems in Toyota RAV4 vehicles.

Technical Description and Features

The Walker 250-24838 oxygen sensor is a heated sensor type, which allows for faster warm-up times and improved accuracy in measuring oxygen levels in the exhaust gases. It includes four wires, supporting both the sensor signal and heater circuit. The 20-gauge wire size balances durability and flexibility, while the 24.13-inch wiring harness length offers sufficient reach for installation without excess slack. The sensor’s threaded mounting type with an 18.0 mm diameter ensures a secure fit in the exhaust system. The radiused polygon male connector provides a reliable electrical connection, reducing the risk of disconnection or corrosion.

Common Applications and Problem Resolution

• Helps maintain optimal air-fuel mixture for efficient combustion
• Reduces harmful emissions by providing accurate oxygen level data
• Prevents engine performance issues related to faulty oxygen sensors
• Addresses check engine light triggers related to sensor failure
• Improves fuel economy by ensuring proper sensor operation

Installation Notes and Tips

When installing the Walker 250-24838 oxygen sensor on a Toyota RAV4, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector shape and gender match the vehicle harness before installation. Properly route the wiring harness to prevent contact with hot or moving parts. Torque the sensor to manufacturer specifications to ensure a secure fit without over-tightening.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details for part number 250-24838 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to support long-term use in Toyota RAV4 vehicles.