Walker 350-34404 Oxygen Sensor - Downstream Left

Overview of Walker 350-34404 Oxygen Sensor for Nissan Pathfinder

The Walker 350-34404 oxygen sensor is designed specifically for Nissan Pathfinder models, providing precise emission control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for Nissan Pathfinder vehicles
• Threaded mounting with 18.0 mm thread diameter
• 45.2-inch wiring harness length and 48.74-inch overall length
• 20 gauge wire for reliable signal transmission
• Radiused polygon male connector for secure connection

Detailed Product Description and Attributes

The Walker 350-34404 oxygen sensor is engineered to meet the emission control requirements of Nissan Pathfinder models. This sensor is a heated type, which allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. It features a 4-wire design with 20 gauge wires, ensuring accurate and stable signal output. The wiring harness length measures 45.2 inches, while the overall length of the sensor is 48.74 inches, providing ample reach for installation in the engine bay.

The sensor mounts via a threaded connection with an 18.0 mm thread diameter, compatible with the factory mounting points on the Nissan Pathfinder. The connector is a radiused polygon shape with a male gender, designed for a secure and precise fit with the vehicle’s wiring harness.

Walker Products Aftermarket Line Information

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 product line emphasizes exact fitment and quality construction, ensuring that parts like the 350-34404 oxygen sensor meet or exceed OEM standards for Nissan Pathfinder models.

Common Applications and Issues Addressed

• Replacement for faulty or failing oxygen sensors in Nissan Pathfinder
• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Reduces emissions by providing accurate oxygen level readings
• Prevents check engine light triggers related to sensor malfunction
• Improves fuel economy by enabling proper engine management

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate tools for threaded sensor removal and installation
• Verify connector type matches the vehicle harness before installation
• Do not over-tighten the sensor; follow torque specifications
• Inspect wiring harness for damage or corrosion during replacement

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors, including part number 350-34404, are manufactured to meet strict quality standards. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. This ensures dependable performance and durability for Nissan Pathfinder emission control systems.