Walker 350-31015 Oxygen Sensor - Upstream, Upstream Left or Upstream Right

Overview of Walker 350-31015 Oxygen Sensor

The Walker 350-31015 oxygen sensor is designed specifically for select Ford, Lincoln, and Mercury vehicles. This non-heated oxygen sensor features a threaded mounting type and a radiused polygon female connector, ensuring precise fitment and reliable performance in emission control systems.

• Wiring harness length: 4.45 inches
• Wire gauge measurement: 20 gauge
• Sensor type: Non-heated oxygen sensor
• Specific fit for Ford, Lincoln, and Mercury models
• Connector shape: Radiused polygon with female gender
• Thread diameter: 18.0 mm
• Overall length: 7.99 inches
• Mounting type: Threaded
• Single wire configuration

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-31015) is engineered to meet the exact specifications required by various Ford, Lincoln, and Mercury vehicles, including models such as the Ford Mustang, Bronco, F-150, and Lincoln Continental. The sensor’s non-heated design utilizes a single 20-gauge wire with a 4.45-inch wiring harness, providing a direct and specific fit. The radiused polygon female connector ensures secure electrical connection, while the 18.0 mm threaded mounting allows for straightforward installation in the exhaust system. With an overall length of 7.99 inches, this sensor is optimized for compatibility and durability within the emission control system.

Compatible Vehicles and Applications

This oxygen sensor is compatible with a range of Ford, Lincoln, and Mercury vehicles, including but not limited to:

• Ford Mustang, Bronco, F-150, F-250, Ranger, Escort, Pinto
• Lincoln Continental, Mark VI, Mark VII, Town Car, Versailles
• Mercury Cougar, Marquis, Lynx, Zephyr
• Ford Econoline series: E-100, E-150, E-250 (including Club Wagon variants)
• Other models such as Aerostar, Bobcat, Capri, Thunderbird, Fairmont

Common Issues Addressed by This Oxygen Sensor

• Incorrect air-fuel mixture readings causing poor engine performance
• Check engine light triggered by faulty oxygen sensor signals
• Increased emissions due to sensor malfunction
• Reduced fuel efficiency from inaccurate oxygen level detection
• Failed emissions tests related to sensor degradation

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate tools for the 18.0 mm threaded mounting
• Verify connector type matches the vehicle’s wiring harness (radiused polygon female)
• Handle the sensor carefully to avoid damaging the wire or connector
• Check for proper torque specifications during installation to prevent leaks

Quality Assurance and Warranty

Walker Products Aftermarket parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 350-31015 oxygen sensor undergoes rigorous quality control to ensure reliable operation within emission control systems. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.