Walker 350-34275 Oxygen Sensor - Downstream Right or Upstream

Overview of Walker Oxygen Sensor 350-34275 for Nissan Vehicles

The Walker Products Aftermarket oxygen sensor 350-34275 is designed specifically for Nissan Pathfinder and X-Trail models. 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 design for reliable operation
• Specific fit for Nissan Pathfinder and X-Trail models
• 32.99 inches wiring harness length for flexible installation
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure electrical connection
• Overall length of 36.54 inches for proper fitment
• 20 gauge wire for durability and signal integrity

Detailed Product Description

This Walker oxygen sensor, part number 350-34275, is engineered to meet the exact specifications required by Nissan Pathfinder and X-Trail vehicles. Featuring a heated sensor type, it quickly reaches operating temperature to provide accurate oxygen level readings, which are critical for maintaining efficient combustion and reducing emissions. The sensor includes a 4-wire configuration, which supports both the heating element and signal transmission. Its radiused polygon male connector ensures a secure and precise fit, minimizing the risk of electrical issues. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the designated exhaust port.

Walker Products Aftermarket is a dedicated product line focused on delivering reliable emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, offering a balance of quality and compatibility for Nissan vehicles requiring specific sensor replacements.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for Nissan Pathfinder and X-Trail
• Resolves engine performance problems related to faulty oxygen sensors
• Helps reduce harmful emissions by ensuring proper sensor function
• Eliminates check engine light triggers caused by sensor failure
• Improves fuel efficiency by providing correct data to the engine control unit

Installation Notes and Tips

• Verify compatibility with Nissan Pathfinder or X-Trail before installation
• Ensure the threaded mounting hole is clean and free of debris
• Use appropriate tools to avoid damaging the sensor or connector
• Check wiring harness length (32.99 inches) to confirm fitment in your vehicle
• Handle the sensor carefully to avoid contamination of the sensing element

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 350-34275 should be confirmed with the supplier, Walker typically provides coverage against defects in materials and workmanship to support long-term use in Nissan Pathfinder and X-Trail vehicles.