Walker 350-34606 Oxygen Sensor - Downstream or Upstream

Overview of Walker Oxygen Sensor 350-34606

The Walker 350-34606 oxygen sensor is designed specifically for select Pontiac and Toyota models, including the Corolla, Matrix, and Vibe. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.

• Heated oxygen sensor with 4-wire design for reliable operation
• Specific fit for Pontiac and Toyota Corolla, Matrix, and Vibe models
• 18.82-inch wiring harness length for convenient installation
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure electrical connection
• Wire gauge measurement of 20 for durability and signal integrity
• Overall length of 22.36 inches to accommodate engine bay layout

Walker Products Aftermarket Line Details

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing replacement emission control components engineered to meet or exceed OEM specifications. The line emphasizes precise fitment and reliable sensor performance, making it suitable for maintaining factory-level emissions standards on compatible vehicles.

Product Features and Specifications

The Walker 350-34606 oxygen sensor features a heated sensor element that allows for faster warm-up times and improved sensor response. Its 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent operation under various engine conditions. The sensor’s radiused polygon male connector and 18.82-inch wiring harness length facilitate a secure and straightforward connection to the vehicle’s wiring system. The threaded mounting type with an 18.0 mm diameter ensures proper sealing and positioning within the exhaust system.

Applications and Problem Solving

• Restores accurate air-fuel ratio readings for Pontiac and Toyota Corolla, Matrix, and Vibe models
• Helps reduce emissions by providing precise oxygen level data to the engine control unit
• Addresses issues such as rough idling, poor fuel economy, and failed emissions tests
• Prevents check engine light triggers related to oxygen sensor faults
• Supports optimal engine performance by maintaining proper combustion efficiency

Installation Notes and Tips

When installing the Walker 350-34606 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness or connector. Verify the connector’s radiused polygon shape and male gender match the vehicle’s harness for a secure fit. Thread the sensor carefully into the exhaust bung to the specified torque to prevent leaks or sensor damage.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet industry standards for durability and performance. While specific warranty details for part number 350-34606 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to support long-term reliability.