Walker 350-33066 Oxygen Sensor - Upstream, Upstream Left or Upstream Right

Overview of Walker 350-33066 Oxygen Sensor

The Walker 350-33066 oxygen sensor is designed specifically for select Infiniti and Nissan models, including the 200SX, 300ZX, J30, and Q45. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.

• Heated sensor type for faster response times
• Specific fit for Infiniti and Nissan vehicles
• Threaded mounting type with 18.0 mm thread diameter
• 21.18 inches wiring harness length with 3 wires of 20 gauge
• Radiused polygon male connector for secure connection
• Overall length of 24.72 inches for proper installation

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-33066) is engineered to meet the exact specifications of your vehicle’s emission system. Featuring a heated sensor element, it quickly reaches operating temperature to provide reliable oxygen level readings. The sensor’s 3-wire configuration and 20 gauge wire ensure stable electrical signals, while the radiused polygon male connector offers a secure and precise fit. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust system. With an overall length of 24.72 inches and a wiring harness length of 21.18 inches, this sensor is designed to fit seamlessly in the exhaust path of Infiniti 200SX, 300ZX, J30, and Nissan Q45 models.

Walker Products Aftermarket Line

The Walker Products Aftermarket line focuses on providing reliable emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, offering a direct replacement solution tailored to specific vehicle applications. The product line emphasizes compatibility and durability, ensuring that the 350-33066 sensor integrates effectively with the vehicle’s existing systems.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces emissions by providing accurate oxygen level data
• Prevents engine performance issues related to faulty sensors
• Resolves check engine light triggers caused by sensor failure
• Improves fuel economy by enabling precise engine management

Installation Notes and Tips

• Ensure the vehicle is cool before removing the old sensor to avoid burns
• Use appropriate tools for the 18.0 mm threaded mounting
• Verify connector type matches the radiused polygon male connector
• Check wiring harness length (21.18 inches) for proper routing
• Follow vehicle-specific service manual instructions for sensor replacement

Quality Assurance

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. The 350-33066 part number undergoes rigorous testing to ensure durability and accurate performance under normal operating conditions. While specific warranty details are not provided here, Walker typically offers coverage consistent with industry standards for emission control components.