Walker 350-34335 Oxygen Sensor - Downstream Front or Downstream Rear

Overview of Walker Oxygen Sensor for Toyota Venza

The Walker 350-34335 oxygen sensor is designed specifically for the Toyota Venza, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

• Wiring harness length: 34.96 inches
• Wire gauge measurement: 20 gauge
• Heated sensor type for faster response
• Specific fit for Toyota Venza models
• Four-wire configuration with radiused polygon male connector
• Thread diameter: 18.0 mm
• Overall length: 38.5 inches
• Threaded mounting for reliable attachment

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 350-34335 sensor maintains compatibility and performance standards required for Toyota Venza vehicles, supporting emission compliance and engine efficiency.

Product Description and Features

The Walker 350-34335 oxygen sensor is a heated sensor designed to deliver accurate air-fuel mixture readings to the engine control unit. Its four-wire design includes a heating element that allows the sensor to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The sensor’s 18.0 mm threaded mounting ensures a secure fit, while the radiused polygon male connector provides a reliable electrical connection. With a wiring harness length of nearly 35 inches and an overall length of 38.5 inches, this sensor is tailored for the Toyota Venza’s specific engine layout.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper fuel mixture control
• Helps resolve rough idling and engine hesitation
• Reduces increased emissions and failed emissions tests
• Prevents check engine light triggers related to oxygen sensor faults
• Improves fuel economy by maintaining optimal combustion

Installation Notes and Tips

When installing the Walker 350-34335 oxygen sensor on a Toyota Venza, ensure the engine is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Confirm the connector matches the vehicle’s wiring harness with its radiused polygon male design. Proper torque specifications should be followed to secure the sensor without over-tightening.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. The 350-34335 part number undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the product documentation or supplier.