Walker 250-24420 Oxygen Sensor

Overview of Walker 250-24420 Oxygen Sensor

The Walker 250-24420 oxygen sensor is designed specifically for select Lexus, Scion, and Toyota models. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector, ensuring precise fitment and reliable performance in emission control systems.

• Heated oxygen sensor for accurate emissions monitoring
• Specific fit for Lexus, Scion, and Toyota vehicles
• 11.73-inch wiring harness length with 4 wires of 20 gauge
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Overall length of 15.28 inches for proper installation

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 OE line ensures compatibility and durability, making it suitable for emission control applications in specific vehicle models.

Product Features and Specifications

The Walker 250-24420 oxygen sensor is a heated sensor type, which helps the sensor reach operating temperature quickly for accurate oxygen level readings. It includes a wiring harness length of 11.73 inches and uses 20 gauge wire across four wires, supporting reliable electrical connections. The sensor mounts via a threaded design with an 18.0 mm thread diameter, and the connector features a radiused polygon shape with a male gender, ensuring a secure and precise fit. The overall length of 15.28 inches accommodates proper placement within the exhaust system.

Compatible Vehicles and Applications

This oxygen sensor is compatible with a range of Lexus, Scion, and Toyota models, including but not limited to:

• Lexus GS450h, LS460, RX330, RX350, RX400h, RX450h
• Scion tC, xB, iM, iQ
• Toyota Camry, Corolla iM, Highlander, HS250h, Sienna, Solara, Venza

It is designed to maintain proper air-fuel mixture readings and support emission control systems in these vehicles.

Common Issues Addressed by This Oxygen Sensor

• Incorrect air-fuel mixture readings causing poor engine performance
• Check engine light triggered by faulty oxygen sensor signals
• Increased emissions due to sensor malfunction
• Reduced fuel efficiency from inaccurate oxygen level detection
• Failed emissions tests related to sensor performance

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. The threaded mounting type requires proper torque to avoid damage to the sensor or exhaust manifold. Verify the connector shape and gender match the vehicle’s wiring harness for a secure connection. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to facilitate future removal.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet original equipment standards, ensuring reliable performance and durability. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.