Walker 350-34278 Oxygen Sensor - Downstream, Downstream Front or Downstream Rear

Overview of Walker 350-34278 Oxygen Sensor

The Walker 350-34278 oxygen sensor is designed specifically for select Ford and Mazda vehicles, including the Mazda 626, Millenia, MX-6, and the Ford Probe. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated oxygen sensor with threaded mounting type
• Specific fit for Ford and Mazda models including 626, Millenia, MX-6, and Probe
• 23.15-inch wiring harness length with 4 wires of 20 gauge
• Radiused polygon female connector for secure connection
• 18.0 mm thread diameter and 26.69-inch overall length

Detailed Product Features and Specifications

This oxygen sensor from Walker Products Aftermarket is engineered with a heated sensor element to provide faster response times and improved fuel efficiency. The sensor features a 23.15-inch wiring harness and four 20-gauge wires, allowing for reliable electrical connectivity. Its radiused polygon female connector ensures a precise and secure fit, reducing the risk of connection issues. The threaded mounting type with an 18.0 mm thread diameter facilitates straightforward installation and compatibility with the specified vehicle models. The overall length of 26.69 inches accommodates proper placement within the exhaust system.

Walker Products Aftermarket Line Information

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, providing a direct replacement solution tailored for specific Ford and Mazda vehicles. The product line emphasizes durability and precise fitment to maintain vehicle emissions compliance and engine performance.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces emissions by accurately monitoring exhaust gases
• Prevents engine performance issues related to faulty oxygen sensors
• Addresses check engine light triggers caused by sensor failure
• Supports fuel economy by ensuring sensor responsiveness

Installation Notes and Tips

Installation requires removing the old oxygen sensor and threading the Walker 350-34278 sensor into place using the 18.0 mm threaded mount. Ensure the radiused polygon female connector is securely attached to the vehicle’s wiring harness. Avoid over-tightening to prevent damage to the sensor or exhaust components. It is recommended to use anti-seize compound on the threads for easier future removal.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards for reliable performance. While specific warranty details for part number 350-34278 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship to support long-term use.