Walker 250-24489 Oxygen Sensor - Upstream

Overview of Walker Products OE Oxygen Sensor 250-24489

The Walker Products OE Oxygen Sensor 250-24489 is designed specifically for select Scion and Toyota models, including the Echo, xA, and xB. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector, ensuring precise fitment and reliable performance.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for Scion Echo, xA, xB and Toyota models
• Threaded mounting with 18.0 mm thread diameter
• Connector features a radiused polygon shape and male gender
• Wiring harness length of 11.34 inches and overall length of 14.88 inches
• Wire gauge measurement of 20 for optimal signal transmission

Detailed Product Features and Specifications

This oxygen sensor from Walker Products OE is engineered with a heated sensor type to provide faster response times and improved emissions control. The 4-wire design supports both the sensor element and the heater circuit, enhancing durability and accuracy. The wiring harness length of 11.34 inches and overall length of 14.88 inches allow for proper installation without excess slack or tension. The connector’s radiused polygon shape and male gender ensure a secure and precise connection to the vehicle’s wiring harness. Threaded mounting with an 18.0 mm diameter allows for straightforward replacement in compatible exhaust systems.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. This oxygen sensor is part of that line, providing a direct replacement solution designed to maintain the emissions system integrity of your Scion or Toyota vehicle. Walker Products OE parts are engineered for compatibility and reliability, supporting proper engine management and emissions compliance.

Compatible Vehicles and Common Applications

• Scion Echo oxygen sensor replacement
• Scion xA oxygen sensor repair
• Scion xB emissions sensor upgrade
• Toyota models requiring specific fit oxygen sensors
• Emission control system maintenance and diagnostics

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate oxygen sensor socket for threaded removal and installation
• Verify connector type matches vehicle harness before installation
• Do not over-tighten the sensor; follow torque specifications
• Check for exhaust leaks after installation to ensure proper sensor function

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards for durability and performance. While specific warranty details may vary, these sensors typically come with a limited warranty covering defects in materials and workmanship. Using the Walker Products OE 250-24489 oxygen sensor helps maintain your vehicle’s emissions system reliability and compliance.