Walker 350-34099 Oxygen Sensor

Overview of Walker 350-34099 Oxygen Sensor

The Walker 350-34099 oxygen sensor is designed for precise emission control in select Lexus, Toyota, Pontiac, and Scion vehicles. This heated oxygen sensor features a specific fitment and advanced wiring to ensure accurate readings and reliable performance.

• Heated oxygen sensor for faster response times
• Specific fitment for Lexus, Toyota, Pontiac, and Scion models
• 11.34-inch wiring harness length with 4 wires of 20 gauge
• Radiused polygon male connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 14.88 inches for proper installation

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, ensuring compatibility and durability for emission sensors like the 350-34099.

Product Features and Specifications

The Walker 350-34099 oxygen sensor is a heated sensor, which means it includes an internal heating element to bring the sensor up to operating temperature quickly. This feature improves sensor response time and helps maintain optimal engine performance and emissions control. The sensor has a wiring harness length of 11.34 inches and uses 20 gauge wire across four wires, supporting accurate signal transmission. Its radiused polygon male connector ensures a secure and proper electrical connection, while the threaded mounting type with an 18.0 mm diameter allows for straightforward installation in compatible exhaust systems. The overall length of 14.88 inches accommodates the sensor’s placement within the exhaust manifold or pipe.

Compatible Vehicles and Applications

• Compatible with Lexus models including ES300, ES300h, ES330, ES350, GS300, GX460, GX470, LX470, LX570, NX200t, NX300, NX300h
• Fits Toyota models such as 4Runner, Avalon, Avanza, Camry, Corolla, Echo, FJ Cruiser, Hiace, Hilux, Land Cruiser, Matrix, MR2 Spyder, Paseo, Prius, RAV4, Sequoia, Sienna, Solara, Tacoma, Tercel, Tundra, Venza, Vibe, Yaris
• Compatible with Pontiac and Scion models including tC

Common Issues Addressed by This Oxygen Sensor

• Incorrect air-fuel mixture readings causing poor fuel economy
• Check engine light triggered by faulty oxygen sensor signals
• Increased emissions due to sensor malfunction
• Engine performance issues such as rough idling or hesitation
• Failed emissions tests related to sensor accuracy

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 350-34099 sensor, taking care to avoid damaging the wiring harness or connector. The threaded mounting type requires proper torque to prevent exhaust leaks. Verify the connector’s radiused polygon shape and male gender match the vehicle’s wiring harness for a secure fit. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper sensor operation.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet or exceed OEM specifications for fit, form, and function. The 350-34099 sensor undergoes rigorous quality control to ensure durability and reliable performance in emission control systems. Warranty coverage details should be confirmed with the product documentation or supplier.