Walker 350-31009 Oxygen Sensor - Upstream

Overview of Walker Oxygen Sensor 350-31009

The Walker 350-31009 oxygen sensor is designed specifically for Porsche 911, 924, and 928 models. This non-heated sensor features a threaded mounting type and a radiused polygon female connector, ensuring precise fitment and reliable emission control performance.

• Wiring harness length: 16.26 inches
• Wire gauge measurement: 20 gauge
• Sensor type: Non heated
• Specific fit for Porsche 911, 924, and 928
• Wire quantity: 1
• Connector shape: Radiused polygon
• Connector gender: Female
• Thread diameter: 18.0 mm
• Overall length: 19.8 inches
• Mounting type: Threaded

Walker Products Aftermarket Line Details

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing precise replacement parts tailored to specific vehicle applications. The line emphasizes compatibility and quality to meet emission control standards, making it suitable for Porsche models requiring exact sensor specifications.

Product Description and Features

The Walker 350-31009 oxygen sensor is engineered to monitor exhaust oxygen levels accurately, helping optimize engine performance and reduce emissions. Its non-heated design is suitable for applications where heated sensors are not required. The sensor’s 18.0 mm threaded mounting ensures secure installation, while the radiused polygon female connector provides a reliable electrical connection. With a 20-gauge wire and a 16.26-inch wiring harness length, this sensor fits precisely within the engine bay of Porsche 911, 924, and 928 models.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for Porsche 911, 924, and 928 engines
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by providing accurate oxygen level readings
• Reduces harmful emissions by ensuring proper catalytic converter function
• Prevents engine performance issues caused by faulty sensor signals

Installation Notes and Tips

• Ensure the sensor thread diameter (18.0 mm) matches the vehicle’s exhaust port
• Use appropriate tools to avoid damaging the radiused polygon female connector
• Verify wiring harness length (16.26 inches) fits the vehicle’s routing path
• Follow manufacturer torque specifications for threaded mounting
• Disconnect the battery before installation to prevent electrical shorts

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet OEM standards for fit, form, and function. While specific warranty details for part number 350-31009 are not provided here, Walker typically offers coverage against defects in materials and workmanship. This ensures reliable performance and durability for Porsche 911, 924, and 928 emission control systems.