Walker 350-64018 Oxygen Sensor - Upstream Front or Upstream Rear

Reliable Oxygen Sensor for Lexus and Toyota Vehicles

The Walker 350-64018 oxygen sensor is designed specifically for select Lexus and Toyota models, including the Avalon, Camry, ES300, Sienna, and Solara. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance.

• Heated sensor type for faster response times
• Specific fit for Lexus and Toyota models listed
• 10.35-inch wiring harness length with 20 gauge wire
• Four-wire configuration with radiused polygon male connector
• Threaded mounting with 18.0 mm thread diameter
• Overall length of 13.9 inches for proper installation

Walker Products Aftermarket Line Overview

The Walker Products Aftermarket line offers a range of emission control components engineered to meet or exceed OEM specifications. The 350-64018 oxygen sensor is part of this line, providing reliable performance and compatibility with specific vehicle applications. This ensures that replacement parts maintain the integrity of the original system while supporting emissions compliance.

Detailed Oxygen Sensor Description

This Walker oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The sensor’s four-wire setup includes a durable 20 gauge wiring harness measuring 10.35 inches, which connects via a radiused polygon male connector for secure and precise fitment. The threaded mounting type with an 18.0 mm diameter ensures proper installation in the exhaust system. With an overall length of 13.9 inches, this sensor fits seamlessly in the designated locations on compatible Lexus and Toyota models.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for engine control
• Helps resolve check engine light triggers related to oxygen sensor faults
• Improves fuel economy by providing precise emissions data
• Reduces harmful exhaust emissions by maintaining sensor functionality
• Prevents drivability issues caused by faulty oxygen sensors

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Use the correct tools to remove the old sensor and install the Walker 350-64018 sensor, taking care to avoid damaging the wiring harness or connector. Verify the connector’s radiused polygon shape and male gender match the vehicle’s harness. Thread the sensor carefully into the exhaust port to the specified torque to prevent leaks or damage.

Quality Assurance and Warranty

Walker Products Aftermarket parts are manufactured to meet stringent quality standards. The 350-64018 oxygen sensor undergoes rigorous testing to ensure durability and performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to support long-term reliability.