Walker 350-64118 Oxygen Sensor - Upstream Left or Upstream Right

Overview of Walker 350-64118 Oxygen Sensor for Infiniti and Nissan

The Walker 350-64118 oxygen sensor is designed specifically for select Infiniti and Nissan models, including the Q50, Q60, and Z. 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 Q50, Q60, and Nissan Z models
• 9.37-inch wiring harness length for proper installation
• 20 gauge wire measurement ensuring durability and signal integrity
• Male connector with 18mm thread diameter for secure attachment
• Overall length of 12.91 inches for compatibility with factory mounting points

Detailed Product Features and Specifications

This Walker oxygen sensor (part number 350-64118) features a heated sensor type that allows for faster warm-up times and improved emission readings under various operating conditions. The 4-wire configuration supports both the sensor signal and heater circuit, enhancing responsiveness and reliability. With a wiring harness length of 9.37 inches and an overall length of 12.91 inches, this sensor is engineered to fit precisely in the exhaust system of Infiniti Q50, Q60, and Nissan Z vehicles. The 20 gauge wire measurement provides a balance between flexibility and durability, while the male connector and 18mm thread diameter ensure a secure and leak-free installation.

Walker Products Aftermarket Line

The Walker Products Aftermarket line focuses on delivering emission control components that meet or exceed OEM specifications. This oxygen sensor is part of that line, offering a direct replacement solution tailored for specific vehicle applications. The product line emphasizes quality construction and fitment accuracy, making it suitable for professional repairs and maintenance on Infiniti and Nissan models.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by providing reliable exhaust gas data
• Reduces harmful emissions by ensuring proper catalytic converter function
• Eliminates rough idling or engine hesitation caused by faulty sensors

Installation Notes and Tips

When installing the Walker 350-64118 oxygen sensor, ensure the vehicle is cool to avoid burns. Use an oxygen sensor socket or appropriate tool to remove the old sensor carefully. Verify the wiring harness length and connector type match the factory setup on Infiniti Q50, Q60, or Nissan Z models. Apply anti-seize compound to the threads if recommended by the vehicle manufacturer, but avoid contaminating the sensor tip. Tighten the sensor to the specified torque to prevent exhaust leaks.

Quality Assurance and Warranty

Walker oxygen sensors undergo rigorous testing to meet emission control standards and provide reliable performance. The 350-64118 sensor is manufactured to precise specifications for fit and function. While specific warranty details may vary, Walker Products Aftermarket parts typically include coverage against defects in materials and workmanship, supporting long-term durability and customer confidence.