Walker 350-64029 Oxygen Sensor - Upstream or Upstream Front

Overview of Walker Oxygen Sensor 350-64029

The Walker 350-64029 oxygen sensor is designed specifically for Lexus RX350 and Scion xB models, ensuring precise emission control and engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

• Heated oxygen sensor for accurate emissions monitoring
• Specific fit for Lexus RX350 and Scion xB vehicles
• 15.28-inch wiring harness length with 4 wires
• 20 gauge wire measurement for durability
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for reliable connection
• Overall length of 18.82 inches for proper fitment

Walker Products Aftermarket Line Details

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing replacement emission control components that meet or exceed OEM specifications. The line emphasizes compatibility and quality, making it suitable for specific vehicle applications such as the Lexus RX350 and Scion xB.

Product Features and Specifications

The Walker 350-64029 oxygen sensor is a heated sensor type, which helps reduce warm-up time and improves fuel efficiency by providing accurate oxygen level readings to the engine control unit. It includes a 15.28-inch wiring harness with four 20-gauge wires, ensuring reliable electrical connections. The sensor mounts via a threaded design with an 18.0 mm thread diameter, compatible with the exhaust system of the specified vehicles. The connector features a radiused polygon shape and male gender, designed for a secure and precise fit.

Common Applications and Issues Addressed

• Restores proper air-fuel mixture control in Lexus RX350 and Scion xB
• Resolves engine performance issues related to faulty oxygen sensors
• Helps reduce emissions and pass vehicle inspections
• Eliminates rough idling and poor fuel economy caused by sensor failure
• Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

Ensure the vehicle is cool before installation to avoid burns. Use appropriate tools to remove the old sensor and install the Walker 350-64029 oxygen sensor by threading it securely into place. Connect the wiring harness to the vehicle’s connector, verifying the radiused polygon male connector fits properly. Avoid twisting or damaging the wiring harness during installation to maintain sensor functionality.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards for durability and performance. The 350-64029 part number undergoes rigorous testing to ensure compatibility with Lexus RX350 and Scion xB models. Warranty details are provided by the manufacturer and typically cover defects in materials and workmanship.