Walker 350-35018 Oxygen Sensor - Upstream

Overview of Walker Oxygen Sensor for Audi S8

The Walker 350-35018 oxygen sensor is designed specifically for the Audi S8, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

• Wiring harness length: 49.72 inches
• Wire gauge measurement: 20 gauge
• Heated sensor type for faster response
• Specific fit for Audi S8 models
• Five-wire configuration for accurate signal transmission
• Connector shape: radiused polygon, male gender
• Thread diameter: 18.0 mm
• Overall length: 53.27 inches
• Threaded mounting for reliable attachment

Walker Products Aftermarket Line Details

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing replacement emission control components tailored to specific vehicle applications. The line emphasizes compatibility and quality, offering sensors that meet or exceed OEM specifications for fit and function, such as the 350-35018 sensor designed for the Audi S8.

Technical Description and Application

The Walker 350-35018 oxygen sensor is a heated sensor that uses a five-wire design to deliver accurate oxygen level readings to the engine control unit. The 20-gauge wiring and 49.72-inch harness length provide durability and ease of routing within the engine bay. Its threaded mounting and 18.0 mm thread diameter ensure a secure fit in the exhaust system. The radiused polygon male connector is engineered for a precise connection, reducing the risk of electrical issues. This sensor is engineered specifically for the Audi S8, ensuring compatibility and reliable performance.

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 problems such as rough idling or hesitation
• Failed emissions tests related to sensor malfunction

Installation Notes and Tips

• Ensure the vehicle is cooled before sensor removal to avoid burns
• Use appropriate tools for the 18.0 mm threaded sensor to prevent damage
• Verify connector orientation matches the radiused polygon male design
• Inspect wiring harness for damage before installation
• Follow vehicle-specific torque specifications for sensor mounting

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet industry standards for emission control components. The 350-35018 sensor undergoes quality checks to ensure durability and accurate performance. Warranty coverage details should be confirmed with the product documentation or supplier.