Walker 350-34700 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Overview of Walker 350-34700 Oxygen Sensor

The Walker 350-34700 oxygen sensor is designed specifically for select INFINITI and Nissan models, including the Armada, QX80, and TITAN series. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine management system.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for INFINITI and Nissan vehicles
• Threaded mounting type with 18.0 mm thread diameter
• 13.31 inches wiring harness length and 16.85 inches overall length
• Radiused polygon male connector for secure connection
• 20 gauge wire for reliable signal transmission

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 Walker Products Aftermarket sensors are designed for direct fitment, ensuring compatibility and ease of installation for specific vehicle applications such as the Nissan Rogue Sport and INFINITI Qashqai.

Product Features and Specifications

The Walker 350-34700 oxygen sensor features a heated sensor type that allows for faster warm-up times and improved sensor responsiveness. It includes a 4-wire design, which supports both the sensor signal and heater circuit, enhancing durability and performance. The sensor’s radiused polygon male connector ensures a secure and precise electrical connection, reducing the risk of signal loss or corrosion. With a wiring harness length of 13.31 inches and an overall length of 16.85 inches, this sensor fits perfectly in the designated mounting locations on compatible INFINITI and Nissan models.

Common Applications and Problem Resolution

• Restores accurate air-fuel ratio readings for improved fuel efficiency
• Resolves check engine light issues related to oxygen sensor faults
• Helps reduce harmful emissions by maintaining proper combustion
• Eliminates rough idling or engine hesitation caused by faulty sensors
• Prevents failed emissions tests due to sensor malfunction

Installation Notes and Tips

Installation of the Walker 350-34700 oxygen sensor requires removal of the old sensor from the threaded mounting point. Use appropriate oxygen sensor socket tools to avoid damage. Ensure the radiused polygon male connector is securely connected to the vehicle’s wiring harness. Verify the wiring harness length and connector type match the original sensor to prevent fitment issues. It is recommended to check for any exhaust leaks around the sensor mounting area after installation.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable performance and durability. While specific warranty details for part number 350-34700 may vary, Walker typically offers coverage against defects in materials and workmanship. Always refer to the product documentation or manufacturer for exact warranty terms.