Walker 350-31018 Oxygen Sensor - Downstream or Upstream

Overview of Walker 350-31018 Oxygen Sensor

The Walker 350-31018 oxygen sensor is designed specifically for select Jaguar and Nissan vehicles, including models like the 240SX, Maxima, and XJ6. This non-heated oxygen sensor features a threaded mounting type and a radiused polygon female connector, ensuring precise fitment and reliable performance.

• Wiring harness length: 8.19 inches
• Wire gauge measurement: 20 gauge
• Sensor type: Non heated
• Specific fit for Jaguar and Nissan models
• Wire quantity: 1
• Connector shape: Radiused polygon
• Connector gender: Female
• Thread diameter: 18.0 mm
• Overall length: 11.73 inches
• Mounting type: Threaded

Walker Products Aftermarket Line Details

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing replacement emission control components tailored to exact vehicle specifications. The line emphasizes compatibility and durability, offering parts engineered to meet or exceed OEM standards for vehicles such as the Nissan Altima, Pathfinder, and Jaguar Vanden Plas.

Product Description and Features

The Walker 350-31018 oxygen sensor is a non-heated sensor designed for specific fitment on various Nissan and Jaguar models, including the 200SX, 280ZX, and XJ6. Its 20-gauge wire and single-wire configuration support accurate oxygen level readings for optimal engine management. The sensor’s radiused polygon female connector and 18.0 mm threaded mounting ensure secure installation and reliable electrical connection. With an overall length of 11.73 inches and an 8.19-inch wiring harness, this sensor fits precisely in the designated mounting locations.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces vehicle emissions by providing accurate oxygen level data
• Resolves engine performance issues related to faulty oxygen sensors
• Prevents check engine light triggers caused by sensor failure
• Supports smooth idling and improved fuel economy

Installation Notes and Tips

• Ensure vehicle compatibility with the specific fitment list before installation
• Use appropriate tools for threaded mounting to avoid damage
• Verify connector type matches the vehicle’s wiring harness (radiused polygon, female)
• Handle sensor wiring carefully to prevent wire damage
• Follow manufacturer torque specifications for sensor installation

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. The 350-31018 part number undergoes rigorous testing to ensure durability and reliable performance in emission control systems. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to support long-term use in compatible Jaguar and Nissan vehicles.