Walker 350-34108 Oxygen Sensor - Downstream Left or Downstream Right

Overview of Walker 350-34108 Oxygen Sensor

The Walker 350-34108 oxygen sensor is designed specifically for select Chevrolet and Porsche models, including the Astra, Boxster, Cayman, and Panamera. This heated oxygen sensor provides accurate emissions monitoring to help maintain engine performance and comply with emission standards.

• Heated oxygen sensor for faster response times
• Specific fit for Chevrolet Astra and Porsche Boxster, Cayman, Panamera
• Threaded mounting type with 18.0 mm thread diameter
• 45.79 inches wiring harness length with 4 wires of 22 gauge
• Female connector with radiused polygon shape for secure connection
• Overall length of 49.33 inches for proper installation

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34108) is engineered to meet the exact specifications of your vehicle’s emission control system. Featuring a heated sensor element, it ensures quicker warm-up times and more reliable oxygen level readings. The sensor’s 4-wire design and 22 gauge wire measurement support stable electrical signals, while the radiused polygon female connector guarantees a precise and secure fit. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust system.

Walker Products Aftermarket is a dedicated product line focused on providing reliable replacement parts that meet or exceed OEM standards. This oxygen sensor is part of their emission control sensors category, designed to deliver consistent performance and durability for specific vehicle applications.

Compatible Vehicles and Applications

• Chevrolet Astra oxygen sensor replacement
• Porsche Boxster oxygen sensor upgrade
• Porsche Cayman emission sensor compatibility
• Porsche Panamera oxygen sensor fitment

Common Issues Addressed by This Oxygen Sensor

• Incorrect air-fuel mixture readings causing poor fuel economy
• Check engine light triggered by faulty oxygen sensor signals
• Increased emissions due to sensor failure
• Engine performance issues related to improper oxygen sensing
• Failed emissions tests requiring sensor replacement

Installation Notes and Tips

Ensure the vehicle is cool before removing the old oxygen sensor to avoid burns. Use the correct 18.0 mm socket for removal and installation. Verify the connector type matches the vehicle harness—this sensor uses a female radiused polygon connector. Route the wiring harness carefully to avoid contact with hot exhaust components. Confirm the sensor is threaded securely but avoid over-tightening to prevent damage.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. While specific warranty details for part number 350-34108 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to ensure reliable operation.