Walker 350-34175 Oxygen Sensor - Upstream Left

Overview of Walker 350-34175 Oxygen Sensor for Nissan Pathfinder

The Walker 350-34175 oxygen sensor is designed specifically for Nissan Pathfinder models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

• Wiring harness length: 33.39 inches
• Wire gauge measurement: 20 gauge
• Heated sensor type for faster response
• Specific fit for Nissan Pathfinder
• Four-wire configuration with radiused polygon male connector
• Thread diameter: 18.0 mm
• Overall length: 36.93 inches
• Threaded mounting for reliable attachment

Walker Products Aftermarket Line Details

The Walker Products Aftermarket line offers replacement emission control components engineered to meet or exceed OEM specifications. This oxygen sensor from the Walker Products Aftermarket range is built to provide consistent performance and durability, making it a suitable choice for maintaining the emission system of your Nissan Pathfinder.

Product Description and Technical Details

This oxygen sensor (part number 350-34175) is a heated sensor designed to provide accurate air-fuel mixture readings to the engine control unit. The 20-gauge wiring and four-wire setup support efficient sensor heating and signal transmission. The 33.39-inch wiring harness length and 36.93-inch overall length allow for proper routing and connection within the engine bay. The radiused polygon male connector ensures a secure and precise fit, while the 18.0 mm threaded mounting type facilitates straightforward installation.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for improved fuel efficiency
• Helps reduce harmful emissions by maintaining proper air-fuel ratio
• Resolves engine performance issues related to faulty oxygen sensors
• Prevents check engine light triggers caused by sensor failure
• Supports smooth engine idling and acceleration in Nissan Pathfinder vehicles

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate oxygen sensor socket for threaded mounting removal and installation
• Verify connector type matches the vehicle harness before installation
• Do not over-tighten the sensor; follow torque specifications for 18.0 mm thread diameter
• Inspect wiring harness for damage and secure routing to prevent interference

Quality Assurance and Warranty

The Walker 350-34175 oxygen sensor is manufactured to meet strict quality standards, ensuring reliable operation within the Nissan Pathfinder emission system. As part of the Walker Products Aftermarket line, this sensor is backed by quality control processes designed to provide consistent performance. Please refer to the product packaging or manufacturer documentation for specific warranty details.