Walker 350-31020 Oxygen Sensor - Upstream

Overview of Walker 350-31020 Oxygen Sensor

The Walker 350-31020 oxygen sensor is designed for specific vehicle applications including Ford, Jeep, and Mercury models. This non-heated oxygen sensor features a threaded mounting type and a radiused polygon female connector, ensuring precise fit and reliable performance in emission control systems.

• Wiring harness length: 13.31 inches
• Wire gauge measurement: 20 gauge
• Sensor type: Non heated
• Wire quantity: 1
• Connector shape: Radiused polygon
• Connector gender: Female
• Thread diameter: 18.0 mm
• Overall length: 16.85 inches
• Mounting type: Threaded

Walker Products Aftermarket Line Details

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing specific-fit emission control components. The line emphasizes compatibility and quality to meet the requirements of various vehicle makes and models, including Ford Bronco, Jeep Cherokee, and Mercury Sable. The 350-31020 sensor is engineered to match OEM specifications for reliable operation within the emission system.

Product Description and Fitment

The Walker 350-31020 oxygen sensor is a non-heated sensor designed for direct replacement in select Ford, Jeep, and Mercury vehicles. Its 13.31-inch wiring harness and 20-gauge wire ensure proper electrical connectivity, while the radiused polygon female connector and 18.0 mm threaded mounting provide secure installation. This sensor is compatible with models such as the Ford F-150, Jeep Grand Wagoneer, and Mercury Taurus, among others. The specific fitment ensures accurate sensor readings critical for optimal engine performance and emissions control.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces engine misfires related to faulty oxygen sensor signals
• Prevents increased emissions due to sensor failure
• Addresses check engine light triggers related to oxygen sensor faults
• Supports smooth engine idling and acceleration performance

Installation Notes and Tips

Installation requires removal of the old oxygen sensor and threading the Walker 350-31020 sensor into the exhaust manifold or pipe. Ensure the connector matches the vehicle’s wiring harness for a secure connection. Use appropriate tools to avoid damaging the 18.0 mm threaded fitting. It is recommended to inspect the wiring harness length and connector shape to confirm compatibility before installation.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet industry standards for emission control components. The 350-31020 part number undergoes quality checks to ensure durability and performance. While specific warranty details are not provided here, Walker typically offers coverage against manufacturing defects. Refer to the product documentation for exact warranty terms.