Walker 350-34216 Oxygen Sensor - Downstream, Downstream Rear or Upstream

Overview of Walker 350-34216 Oxygen Sensor

The Walker 350-34216 oxygen sensor is designed specifically for select Kia and Mazda vehicles, including the Miata, Millenia, MX-3, Protege, and Sephia models. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance through precise air-fuel mixture measurement.

• Heated sensor type for faster response times
• Specific fit for Kia and Mazda models listed
• 29.45-inch wiring harness length for flexible installation
• 20 gauge wire with 4-wire configuration
• Radiused polygon female connector for secure connection
• 18.0 mm threaded mounting type for direct replacement
• Overall length of 32.99 inches for proper fitment

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 350-34216.

Product Description and Specifications

The Walker 350-34216 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving emission control efficiency. It includes a 29.45-inch wiring harness with 20 gauge wires arranged in a 4-wire configuration, which supports both sensor heating and signal transmission. The sensor mounts via an 18.0 mm threaded fitting, matching OEM specifications for a direct fit. The connector is a radiused polygon female type, designed to securely mate with the vehicle’s wiring harness. With an overall length of 32.99 inches, this sensor fits precisely in the exhaust system of compatible Kia and Mazda models.

Compatible Vehicles and Common Applications

• Kia Sephia oxygen sensor replacement
• Mazda Miata oxygen sensor upgrade
• Replacement sensor for Mazda Millenia emission control
• Oxygen sensor for Mazda MX-3 and Protege models
• Emission sensor for specific Kia and Mazda vehicles

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate tools for the 18.0 mm threaded mount
• Verify connector type matches vehicle harness before installation
• Handle wiring harness carefully to prevent damage
• Follow vehicle manufacturer torque specifications when installing

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors undergo rigorous testing to meet emission control standards and ensure reliable operation. The 350-34216 part number is manufactured to OEM specifications for fit and function. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.