Walker 350-35164 Oxygen Sensor - Upstream or Upstream Left

Overview of Walker 350-35164 Oxygen Sensor

The Walker 350-35164 oxygen sensor is designed specifically for select Audi, Porsche, and Volkswagen models, including the 718 Boxster, 718 Cayman, A8 Quattro, Beetle, Jetta, and Passat. This heated oxygen sensor ensures accurate emissions control and optimal engine performance through precise air-fuel mixture monitoring.

• Heated sensor type for faster response times
• Specific fit for Audi, Porsche, and Volkswagen vehicles
• Threaded mounting type with 18.0 mm thread diameter
• 20.66-inch wiring harness length with 5 wires of 20 gauge
• Radiused polygon male connector for secure connection
• Overall length of 25.59 inches for proper installation

Walker Products Aftermarket Line Details

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing reliable emission control components tailored to exact vehicle specifications. The line emphasizes compatibility and durability, ensuring that each sensor meets the necessary standards for replacement parts in emission systems of European vehicles like Audi, Porsche, and Volkswagen.

Product Features and Specifications

The Walker 350-35164 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its specific fitment ensures compatibility with models such as the Audi A8 Quattro and Volkswagen Passat, avoiding common issues related to universal sensors. The sensor includes a 20.66-inch wiring harness with five 20-gauge wires, providing reliable electrical connections. The radiused polygon male connector and threaded mounting type with an 18.0 mm diameter facilitate straightforward installation and secure attachment.

Common Applications and Problem Resolution

• Helps correct inaccurate air-fuel mixture readings
• Resolves engine performance issues related to faulty oxygen sensors
• Reduces emissions by ensuring proper catalytic converter function
• Prevents check engine light triggers related to sensor failure
• Improves fuel economy by maintaining optimal combustion

Installation Notes and Tips

When installing the Walker 350-35164 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to prevent seizing. Verify the radiused polygon male connector aligns correctly with the vehicle’s wiring harness to avoid damage. The 20.66-inch wiring harness length provides flexibility for routing but avoid sharp bends or pinching. Always disconnect the battery before installation to prevent electrical shorts.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet or exceed OEM specifications for fit, form, and function. The 350-35164 part number undergoes rigorous testing to ensure durability and reliable performance in emission control systems. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship, providing confidence in the sensor’s long-term operation.