Walker 350-31021 Oxygen Sensor - Downstream

Overview of Walker 350-31021 Oxygen Sensor for Lexus GS300

The Walker 350-31021 oxygen sensor is designed specifically for the Lexus GS300, ensuring precise emission control and optimal engine performance. This non-heated sensor features a flange mount and a radiused polygon male connector for secure installation.

• Wiring harness length: 11.34 inches
• Wire gauge measurement: 20 gauge
• Sensor type: Non heated
• Specific fit for Lexus GS300
• Wire quantity: 1
• Connector shape: Radiused polygon
• Connector gender: Male
• Thread diameter: 18.0 mm
• Overall length: 14.88 inches
• Mounting type: Flange mount

Walker Products Aftermarket Line Details

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing reliable emission control components tailored to specific vehicle applications. The line emphasizes precise fitment and quality construction, supporting proper sensor function and vehicle compliance with emission standards.

Product Description and Specifications

The Walker 350-31021 oxygen sensor is engineered as a non-heated sensor with a single 20-gauge wire, designed to fit the Lexus GS300 specifically. Its flange mount design and 18.0 mm thread diameter allow for secure and accurate installation. The sensor’s radiused polygon male connector ensures a stable electrical connection, while the overall length of 14.88 inches and wiring harness length of 11.34 inches provide adequate reach for proper placement within the vehicle’s exhaust system.

Common Applications and Issues Addressed

• Helps maintain optimal air-fuel mixture for efficient combustion
• Reduces harmful emissions by providing accurate oxygen level readings
• Prevents engine performance issues related to faulty oxygen sensors
• Supports proper functioning of the vehicle’s emission control system
• Addresses check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

• Ensure compatibility with Lexus GS300 before installation
• Use appropriate tools for flange mount and thread size (18.0 mm)
• Handle the sensor carefully to avoid damage to the wiring harness and connector
• Verify connector orientation matches the radiused polygon male design
• Follow vehicle manufacturer torque specifications during installation

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet industry standards for emission control components. While specific warranty details for part number 350-31021 are not provided here, Walker typically offers coverage against defects in materials and workmanship. Proper installation and use according to vehicle specifications help ensure sensor longevity and performance.