Walker 350-35099 Oxygen Sensor - Upstream

Overview of Walker Oxygen Sensor for Audi A8 Quattro

The Walker 350-35099 oxygen sensor is designed specifically for the Audi A8 Quattro, 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.

• Heated oxygen sensor for accurate emissions monitoring
• Specific fit for Audi A8 Quattro models
• 33.07-inch wiring harness length for flexible installation
• 20 gauge wire with 5-wire configuration for reliable signal transmission
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Overall length of 35.43 inches

Walker Products Aftermarket Line Details

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing replacement emission control components that meet or exceed OEM specifications. The line emphasizes precise fitment and durability, making it suitable for maintaining factory-level performance in vehicles like the Audi A8 Quattro.

Product Features and Specifications

The Walker 350-35099 oxygen sensor is a heated sensor designed to provide fast response times and accurate readings of exhaust oxygen levels. Its 5-wire configuration and 20 gauge wiring ensure consistent electrical performance. The 33.07-inch wiring harness length and 35.43-inch overall length allow for proper routing and installation within the engine bay. The sensor’s threaded mounting type with an 18.0 mm thread diameter ensures a secure fit, while the radiused polygon male connector provides a reliable electrical connection.

Applications and Problem Solving

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces harmful emissions by providing accurate oxygen level data
• Prevents engine performance issues related to faulty oxygen sensors
• Addresses check engine light triggers related to sensor failure
• Supports optimal fuel economy and engine responsiveness

Installation Notes and Tips

When installing the Walker 350-35099 oxygen sensor on an Audi A8 Quattro, ensure the sensor is threaded securely using the 18.0 mm diameter thread. Verify the radiused polygon male connector aligns properly with the vehicle’s wiring harness. Avoid over-tightening to prevent damage to the sensor or mounting threads. The 33.07-inch wiring harness length provides flexibility for routing, but care should be taken to avoid contact with hot or moving engine components.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details for part number 350-35099 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to support long-term use in emission control systems.