Walker 350-35016 Oxygen Sensor - Upstream Front or Upstream Rear

Reliable Oxygen Sensor for Ford, Mazda, Mercury, and Mitsubishi Vehicles

The Walker 350-35016 oxygen sensor is designed to provide accurate emissions monitoring for select Ford, Mazda, Mercury, and Mitsubishi models. This heated oxygen sensor ensures optimal engine performance and emission control by delivering precise air-fuel mixture data to the vehicle's engine control unit.

• Heated sensor type for faster activation and improved efficiency
• Specific fit for Ford Fusion, Mazda Milan, Mercury Milan, and Mitsubishi Mirage models
• Threaded mounting type with an 18.0 mm thread diameter for secure installation
• 5-wire configuration with a radiused polygon male connector for reliable electrical connection
• Wiring harness length of 8.98 inches and overall length of 12.52 inches for proper fitment
• 20 gauge wire measurement ensuring durability and signal integrity

Walker Products Aftermarket Line Overview

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing replacement emission control components that meet or exceed OEM specifications. The line emphasizes precise fitment and reliable performance, making it suitable for specific vehicle applications such as the Ford Fusion and Mitsubishi Mirage. Using parts from this product line helps maintain proper emissions function and engine efficiency.

Product Details and Specifications

The Walker 350-35016 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, reducing emissions during cold starts. Its 5-wire design supports accurate signal transmission, while the radiused polygon male connector ensures a secure and corrosion-resistant connection. The threaded mounting type with an 18.0 mm diameter provides a stable and leak-free installation. With a wiring harness length of 8.98 inches and an overall length of 12.52 inches, this sensor fits precisely in the designated locations on compatible Ford, Mazda, Mercury, and Mitsubishi vehicles.

Common Applications and Issues Addressed

• Helps resolve rough idling and engine hesitation caused by faulty oxygen sensors
• Improves fuel efficiency by providing accurate air-fuel ratio data
• Reduces emissions by ensuring proper catalytic converter function
• Prevents check engine light triggers related to oxygen sensor faults
• Supports smooth engine performance in Ford Fusion, Mazda Milan, Mercury Milan, and Mitsubishi Mirage

Installation Notes and Tips

When installing the Walker 350-35016 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector type matches the vehicle harness before installation. Tighten the sensor to the manufacturer's torque specifications to prevent leaks. It is recommended to inspect wiring and connectors for damage during replacement.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet industry standards for durability and performance. While specific warranty details for part number 350-35016 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to ensure reliable operation in compatible Ford, Mazda, Mercury, and Mitsubishi vehicles.