Walker 350-34309 Oxygen Sensor - Center, Downstream Front or Downstream Right

Overview of Walker 350-34309 Oxygen Sensor

The Walker 350-34309 oxygen sensor is designed specifically for select INFINITI and Nissan vehicles, including the I30, Maxima, and Sentra models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.

• Heated sensor type for faster response times
• Specific fit for INFINITI I30 and Nissan Maxima, Sentra
• 33.78-inch wiring harness length for flexible installation
• 20 gauge wire with 4-wire configuration
• Radiused polygon male connector for secure connection
• Threaded mounting with 18.0 mm thread diameter
• Overall length of 37.32 inches for proper fitment

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 350-34309.

Technical Description and Attributes

The Walker 350-34309 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving emission readings shortly after engine start. The 4-wire design includes two wires for the heater circuit and two for the sensor signal, supporting stable and accurate data transmission. The wiring harness length of 33.78 inches offers sufficient reach for installation in the engine bay, while the radiused polygon male connector ensures a secure and corrosion-resistant connection. The sensor mounts via a threaded fitting with an 18.0 mm diameter, matching OEM specifications for the INFINITI I30 and Nissan Maxima and Sentra models.

Applications and Problem Solving

• Restores accurate oxygen sensing for emission control systems
• Helps resolve engine performance issues related to faulty sensors
• Reduces rough idling and improves fuel efficiency
• Supports proper catalytic converter function by providing correct air-fuel data
• Addresses check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Walker 350-34309 oxygen sensor, ensure the vehicle is compatible with this specific part number. Use proper tools to avoid damaging the threaded mounting or connector. Verify the wiring harness length and connector type match the vehicle’s OEM specifications. It is recommended to replace the sensor when the engine is cool to prevent injury and to apply anti-seize compound on the threads if not pre-applied.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors undergo rigorous testing to meet emission control standards and vehicle-specific requirements. The 350-34309 part number is manufactured to OEM fit, form, and function standards. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.