Walker 350-34313 Oxygen Sensor - Upstream or Upstream Front

Overview of Walker 350-34313 Oxygen Sensor

The Walker 350-34313 oxygen sensor is designed specifically for select Mazda vehicles, including the Miata, MPV, and Protege 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 sensor type for faster response times
• Specific fit for Mazda Miata, MPV, and Protege
• 15.87-inch wiring harness length for flexible installation
• 20 gauge wire with 4-wire configuration
• Radiused polygon female connector for secure connection
• Threaded mounting with 18.0 mm thread diameter
• Overall length of 19.41 inches

Walker Products Aftermarket Line Details

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing reliable emission control components tailored to specific vehicle applications. The line emphasizes precise fitment and quality construction, ensuring compatibility and durability for emission sensors like the 350-34313 oxygen sensor.

Product Features and Specifications

The Walker 350-34313 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving emission readings shortly after engine start. The 4-wire design includes two wires for the sensor signal and two for the heater circuit, enhancing sensor responsiveness and accuracy. The wiring harness length of 15.87 inches offers sufficient reach for installation in the engine bay, while the radiused polygon female connector ensures a secure and corrosion-resistant connection. The sensor mounts via a threaded 18.0 mm diameter fitting, compatible with the exhaust system of Mazda Miata, MPV, and Protege models.

Compatible Vehicles and Applications

• Mazda Miata oxygen sensor replacement
• Mazda MPV emission sensor upgrade
• Mazda Protege oxygen sensor repair
• Emission control sensor for specific Mazda models
• Replacement sensor for improved engine management

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate tools for threaded sensor removal and installation
• Verify connector type matches vehicle harness before installation
• Do not over-tighten the sensor; follow torque specifications
• Check wiring harness routing to prevent damage or interference

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet or exceed OEM specifications for fit, form, and function. The 350-34313 sensor undergoes rigorous testing to ensure reliable performance in emission control systems. Warranty coverage details should be confirmed with the product documentation or supplier.