Walker 350-31035 Oxygen Sensor - Upstream

Overview of Walker 350-31035 Oxygen Sensor

The Walker 350-31035 oxygen sensor is designed specifically for select Ford, Mazda, and Mercury vehicles. This non-heated sensor provides accurate emissions monitoring to help maintain engine performance and comply with emission standards.

• Wiring harness length: 23.35 inches
• Wire gauge measurement: 20 gauge
• Sensor type: Non heated
• Specific fit for Ford, Mazda, and Mercury models
• Single wire configuration
• Radiused polygon female connector
• Thread diameter: 18.0 mm
• Overall length: 26.89 inches
• Threaded mounting type

Detailed Product Description

This oxygen sensor, part number 350-31035, is engineered to fit specific Ford, Mazda, and Mercury models including the Mazda 323, 626, B2600, MX-6, and the Ford Capri, Probe, and Tracer. The sensor features a 23.35-inch wiring harness with a 20-gauge wire, ensuring reliable electrical connectivity. Its non-heated design is suitable for applications where heated sensors are not required. The sensor mounts securely with an 18.0 mm threaded diameter and includes a radiused polygon female connector for precise fitment. The overall length of 26.89 inches allows for proper installation within the vehicle’s emission system.

This product is part of the Walker Products Aftermarket line, which focuses on providing quality emission control components designed to meet or exceed OEM specifications. Walker Products Aftermarket sensors are engineered for durability and accurate sensor readings, supporting optimal engine management and emissions compliance.

Common Applications and Issues Addressed

• Replacement for faulty or failing oxygen sensors in Ford Capri, Probe, and Tracer models
• Restores proper air-fuel mixture readings in Mazda 323, 626, B2600, and MX-6 vehicles
• Helps resolve engine performance issues related to incorrect oxygen sensor data
• Supports emission system compliance by providing accurate sensor feedback
• Prevents check engine light triggers caused by sensor malfunctions

Installation Notes and Tips

• Ensure vehicle compatibility with the specific fitment list before installation
• Use appropriate tools to avoid damaging the 18.0 mm threaded sensor mount
• Verify connector type matches the vehicle’s wiring harness (radiused polygon female connector)
• Handle wiring harness carefully to prevent damage to the 20-gauge wire
• Follow vehicle manufacturer torque specifications when installing the sensor

Quality Assurance and Warranty

The Walker 350-31035 oxygen sensor is manufactured to meet stringent quality standards for emission control sensors. As part of the Walker Products Aftermarket line, it undergoes rigorous testing to ensure reliable performance and durability. Warranty coverage details should be confirmed with the product documentation or supplier.