Walker 350-34254 Oxygen Sensor - Downstream Left or Downstream Right

Overview of Walker 350-34254 Oxygen Sensor for Ford F-150

The Walker 350-34254 oxygen sensor is designed specifically for Ford F-150 models, providing precise emission control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a radiused polygon female connector for secure installation.

• Wiring harness length: 13.31 inches
• Wire gauge measurement: 20 gauge
• Heated sensor type for faster response
• Specific fit for Ford F-150
• Four-wire configuration
• Connector shape: radiused polygon, female gender
• Thread diameter: 18.0 mm
• Overall length: 16.85 inches
• Threaded mounting type

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34254) is engineered to meet the exact specifications required for Ford F-150 trucks. The heated sensor design ensures quicker warm-up times, improving fuel efficiency and reducing emissions during cold starts. The four-wire setup includes a dedicated heater circuit, enhancing sensor responsiveness and durability. The 20-gauge wiring and 13.31-inch harness length provide reliable electrical connections, while the radiused polygon female connector ensures a secure fit with the vehicle’s wiring harness. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation and a tight seal to prevent exhaust leaks.

Walker Products Aftermarket Line Information

The Walker Products Aftermarket line focuses on delivering replacement emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, designed to provide reliable performance and compatibility with specific vehicle applications like the Ford F-150. The product line emphasizes precise fitment and quality materials to support emission system integrity and vehicle compliance.

Common Applications and Issues Addressed

• Restores accurate oxygen level readings for optimal air-fuel mixture
• Helps resolve rough idling and engine hesitation
• Reduces increased fuel consumption caused by faulty sensors
• Prevents check engine light triggers related to oxygen sensor faults
• Supports emission system compliance and reduces exhaust emissions

Installation Notes and Tips

When installing the Walker 350-34254 oxygen sensor on a Ford F-150, ensure the engine is cool to avoid burns. Use a proper oxygen sensor socket to avoid damaging the sensor or connector. Verify the connector shape and gender match the vehicle harness before installation. Thread the sensor carefully to avoid cross-threading and tighten to manufacturer torque specifications. Inspect wiring for any damage or corrosion during replacement.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards for durability and performance. While specific warranty details for part number 350-34254 should be confirmed with the supplier, Walker typically offers limited warranties covering defects in materials and workmanship to ensure customer confidence in their emission control components.