Walker 350-34691 Oxygen Sensor

Overview of Walker Oxygen Sensor 350-34691

The Walker 350-34691 oxygen sensor is designed for specific Ford, Lincoln, Mazda, and Mercury vehicles. This heated oxygen sensor ensures accurate emissions control and optimal engine performance for models like the Ford F-150, Explorer, and Ranger.

• Heated sensor type for faster warm-up and accurate readings
• Specific fit for select Ford, Lincoln, Mazda, and Mercury models
• 13.31-inch wiring harness length with 22 gauge wire
• 4-wire configuration with a radiused polygon male connector
• Threaded mounting type with an 18.0 mm thread diameter
• Overall length of 16.85 inches for proper installation

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34691) features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The sensor includes a 13.31-inch wiring harness with 22 gauge wires, providing reliable electrical connections. Its 4-wire design supports both the sensor signal and heater circuit, ensuring consistent performance. The radiused polygon male connector offers a secure and precise fit, while the threaded mounting type with an 18.0 mm diameter ensures compatibility with the designated vehicle models.

Walker Products Aftermarket is known for delivering reliable emission control components that meet or exceed OEM specifications. This oxygen sensor is engineered to maintain proper air-fuel mixture readings, which is critical for vehicles like the Ford F-150, Lincoln Navigator, and Mazda B3000 to comply with emission standards and maintain engine efficiency.

Compatible Vehicles and Applications

• Ford F-150, F-250, F-100 Ranger, Explorer, Expedition, Freestar
• Lincoln Navigator, Mark LT, Mountaineer
• Mazda B2300, B3000, B4000
• Mercury Mountaineer, Mountaineer, Windstar
• Ford E-350 Super Duty, Explorer Sport Trac, Ranger

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 hesitation or rough idling caused by sensor malfunction
• Reduced engine performance and drivability issues

Installation Notes and Tips

• Ensure the vehicle is cool before removing the old sensor to avoid burns
• Use proper tools to avoid damaging the threaded mounting or connector
• Verify connector type matches the vehicle’s wiring harness (radiused polygon male)
• Apply anti-seize compound on threads if recommended by the vehicle manufacturer
• Check for proper sensor wiring and secure connections after installation

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards and OEM specifications. While specific warranty details for part number 350-34691 may vary, Walker typically offers coverage against defects in materials and workmanship. This ensures dependable performance and durability for your Ford, Lincoln, Mazda, or Mercury vehicle.