Walker 350-34569 Oxygen Sensor - Downstream

Overview of Walker Oxygen Sensor 350-34569

The Walker 350-34569 oxygen sensor is designed specifically for select Ford models, including the Escape, Fiesta, and Transit Connect. 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 oxygen sensor with 4-wire configuration
• Specific fit for Ford Escape, Fiesta, and Transit Connect
• 27.09-inch wiring harness length for flexible installation
• 22 gauge wire for reliable signal transmission
• Radiused polygon male connector for secure connection
• Threaded mounting with 18.0 mm thread diameter
• Overall length of 30.63 inches for proper fitment

Walker Products Aftermarket Line Details

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing replacement emission control components engineered to meet or exceed OEM specifications. The line emphasizes precise fitment and durability, making it suitable for maintaining factory-level emissions performance in Ford vehicles such as the Escape, Fiesta, and Transit Connect.

Product Features and Specifications

The Walker 350-34569 oxygen sensor features a heated sensor type that allows for faster warm-up times and improved sensor responsiveness. It includes a 4-wire design with 22 gauge wiring, ensuring accurate signal transmission to the engine control unit. The wiring harness length of 27.09 inches offers sufficient reach for installation without excess slack. The sensor mounts via a threaded connection with an 18.0 mm diameter, compatible with the specified Ford models. The radiused polygon male connector provides a secure and reliable electrical connection, reducing the risk of disconnection or signal loss.

Common Applications and Problem Resolution

• Restores accurate air-fuel ratio readings for Ford Escape, Fiesta, and Transit Connect
• Helps resolve engine performance issues related to faulty oxygen sensors
• Reduces emissions by ensuring proper sensor operation
• Addresses check engine light triggers caused by sensor failure
• Improves fuel efficiency by providing correct feedback to the engine control system

Installation Notes and Tips

When installing the Walker 350-34569 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 shape and gender match the vehicle harness before installation. Properly route the wiring harness to prevent contact with hot or moving parts. Torque the sensor to manufacturer specifications to ensure a secure fit and prevent exhaust leaks.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable performance and durability. The 350-34569 part number undergoes rigorous testing to comply with emission control requirements for Ford vehicles. Warranty coverage details should be confirmed with the product documentation or supplier.