Walker 350-34607 Oxygen Sensor - Downstream Rear or Downstream Right

Overview of Walker Oxygen Sensor 350-34607

The Walker 350-34607 oxygen sensor is designed specifically for select INFINITI and Nissan models, including the I30, Maxima, Pathfinder, and QX4. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated oxygen sensor with 4-wire design for precise readings
• Specific fit for INFINITI and Nissan I30, Maxima, Pathfinder, and QX4
• Threaded mounting type with 18.0 mm thread diameter
• 37.13 inches wiring harness length with 20 gauge wire
• Male connector with radiused polygon shape for secure connection
• Overall length of 40.67 inches for proper installation

Detailed Product Features and Specifications

This Walker oxygen sensor (part number 350-34607) features a heated sensor type that allows for faster warm-up times and improved sensor response. The 4-wire configuration supports both the sensor element and the heater circuit, ensuring reliable operation under various driving conditions. The wiring harness length of 37.13 inches and 20 gauge wire provide durability and flexibility during installation. The sensor’s threaded mounting type with an 18.0 mm diameter ensures a secure fit in the exhaust system. The male connector with a radiused polygon shape is designed for a specific fit, reducing the risk of connection issues.

Walker Products Aftermarket Line Information

Walker Products Aftermarket offers a range of emission control components engineered to meet or exceed OEM specifications. This oxygen sensor is part of their aftermarket line, providing a direct replacement solution tailored for specific vehicle applications. The focus on precise fitment and quality materials supports consistent emissions performance and engine efficiency for INFINITI and Nissan vehicles.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Helps resolve check engine light triggers related to oxygen sensor faults
• Improves fuel economy by ensuring correct emissions feedback
• Reduces exhaust emissions by maintaining sensor responsiveness
• Prevents rough idling and engine performance issues caused by faulty sensors

Installation Notes and Tips

When installing the Walker 350-34607 oxygen sensor, ensure the vehicle is compatible with the specific fitment for INFINITI I30, Nissan Maxima, Pathfinder, or QX4 models. Use appropriate tools to avoid damaging the threaded sensor mount. Verify the connector matches the male radiused polygon shape for a secure electrical connection. It is recommended to inspect the wiring harness for any damage and replace if necessary to maintain sensor performance.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet industry standards for durability and accuracy. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain compliance with emissions regulations and supports long-term vehicle reliability.