Walker 350-341045 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Overview of Walker 350-341045 Oxygen Sensor

The Walker 350-341045 oxygen sensor is designed specifically for select Ford and Lincoln vehicles, including models like the F-150, Mustang, and Navigator. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated sensor type for faster response times
• Specific fit for Ford and Lincoln models including Expedition, F-250 Super Duty, and Transit series
• Threaded mounting type with 18.0 mm thread diameter
• Four-wire design with 20 gauge wire for reliable signal transmission
• Connector features a radiused polygon shape with female gender
• Wiring harness length of 11.61 inches and overall length of 13.77 inches

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 and Lincoln vehicles.

Product Features and Specifications

The Walker 350-341045 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its four-wire configuration supports both sensor heating and signal output, ensuring accurate oxygen level readings. The sensor’s threaded mounting type with an 18.0 mm diameter allows for secure installation in the exhaust system. The connector’s radiused polygon shape and female gender ensure compatibility with factory wiring harnesses. With a wiring harness length of 11.61 inches and an overall length of 13.77 inches, this sensor fits precisely in the designated locations on compatible vehicles.

Compatible Vehicles and Applications

• Ford Expedition
• Ford F-150
• Ford F-250 Super Duty
• Ford F-350 Super Duty
• Ford Mustang
• Lincoln Navigator
• Ford Transit-150, Transit-250, Transit-350, Transit-350 HD, Transit Connect

Common Issues Addressed by This Oxygen Sensor

• Check engine light triggered by faulty oxygen sensor readings
• Poor fuel economy due to incorrect air-fuel mixture
• Increased emissions and failed emissions tests
• Engine performance problems such as rough idling or hesitation
• Sensor heater circuit malfunctions causing delayed sensor response

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the exhaust threads. Verify the connector shape and wire count match the factory harness before installation. Thread the sensor carefully to prevent cross-threading and torque to manufacturer specifications. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet OEM standards for fit, form, and function. This part number 350-341045 undergoes rigorous quality control to ensure reliable performance in emission control systems. Warranty coverage details should be confirmed with the product documentation or supplier.