Walker 350-35064 Oxygen Sensor - Downstream, Upstream, Upstream Front or Upstream Left

Overview of Walker 350-35064 Oxygen Sensor

The Walker 350-35064 oxygen sensor is designed specifically for select Audi and Volkswagen models, including the A3, A4, Golf, Jetta, and more. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated sensor type for faster response times
• Specific fit for Audi and Volkswagen vehicles
• Threaded mounting with 18.0 mm thread diameter
• 49.72 inches wiring harness length with 5 wires
• Radiused polygon male connector for secure connection
• Wire gauge measurement of 20 for reliable signal transmission
• Overall length of 53.27 inches for proper installation

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-35064) is engineered to meet the exact specifications required by various Audi and Volkswagen models such as the A4 Quattro, Passat, and Touareg. The heated sensor design allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The sensor features a threaded mounting type with an 18.0 mm thread diameter, ensuring a secure and precise fit. Its wiring harness length of nearly 50 inches and 5-wire configuration with 20 gauge wire supports accurate data transmission to the vehicle’s engine control unit. The radiused polygon male connector provides a reliable electrical connection, minimizing the risk of disconnection or signal loss.

Walker Products Aftermarket Line

The Walker Products Aftermarket line focuses on providing replacement emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, offering a direct fit and reliable performance for emission systems in Audi and Volkswagen vehicles. The product line emphasizes durability and compatibility, making it suitable for professional repairs and maintenance.

Common Applications and Issues Addressed

• Restores proper air-fuel mixture readings for improved engine performance
• Helps resolve check engine light triggers related to oxygen sensor faults
• Reduces emissions by ensuring accurate exhaust gas monitoring
• Prevents poor fuel economy caused by faulty sensor signals
• Eliminates rough idling or engine hesitation linked to sensor failure

Installation Notes and Tips

When installing the Walker 350-35064 oxygen sensor, ensure the vehicle is compatible with the specific fitment list including Audi A3, A4, and Volkswagen Golf models. Use proper tools to avoid damaging the 18.0 mm threaded mounting. Verify the radiused polygon male connector aligns correctly with the vehicle harness to ensure a secure connection. It is recommended to inspect the wiring harness for any damage before installation and to follow manufacturer torque specifications for mounting.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. The 350-35064 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, supporting professional repair confidence.