Walker 350-341005 Oxygen Sensor - Downstream Front

Overview of Walker Oxygen Sensor for Toyota Sienna

The Walker 350-341005 oxygen sensor is designed specifically for Toyota Sienna models, providing precise emission control and engine performance monitoring. This heated oxygen sensor ensures accurate readings and efficient operation within the vehicle's exhaust system.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for Toyota Sienna
• 22.17 inches wiring harness length for optimal installation
• 20 gauge wire for reliable signal transmission
• 18mm thread diameter and 25.71 inches overall length
• Male connector for secure electrical connection

Walker Products Aftermarket Line Details

The Walker Products Aftermarket line focuses on providing reliable emission control components that meet or exceed OEM specifications. This oxygen sensor from Walker Products Aftermarket is engineered to deliver consistent performance and durability, ensuring compatibility and proper function within the Toyota Sienna’s emission system.

Product Features and Specifications

This oxygen sensor features a heated design with four wires, allowing for faster sensor warm-up and improved accuracy in measuring oxygen levels in the exhaust gases. The 20 gauge wire ensures stable electrical signals, while the 22.17-inch wiring harness length offers flexibility during installation. The sensor’s 18mm thread diameter and 25.71-inch overall length are tailored for a precise fit in the Toyota Sienna exhaust system. The male connector type provides a secure and reliable connection to the vehicle’s wiring harness.

Common Applications and Problem Resolution

• Helps maintain optimal air-fuel mixture for efficient combustion
• Reduces harmful emissions by providing accurate feedback to the engine control unit
• Addresses issues such as rough idling or poor fuel economy caused by faulty oxygen sensors
• Prevents check engine light triggers related to oxygen sensor faults
• Supports proper catalytic converter function by monitoring exhaust gases

Installation Notes and Tips

When installing the Walker 350-341005 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. Verify the 18mm thread diameter matches the mounting port on the Toyota Sienna. Connect the male connector securely to the vehicle’s wiring harness and route the 22.17-inch wiring harness to prevent contact with hot or moving parts. Follow vehicle-specific torque specifications to avoid sensor damage.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. This part number 350-341005 undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the product documentation or supplier.