Walker 350-34005 Oxygen Sensor - Downstream Left or Downstream Right

Overview of Walker Oxygen Sensor 350-34005

The Walker 350-34005 oxygen sensor is designed specifically for select Audi models, including the A6 Quattro, A8, and A8 Quattro. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine management system.

• Heated sensor type for faster response times
• Specific fit for Audi A6 Quattro, A8, and A8 Quattro
• 31.42-inch wiring harness length for convenient installation
• 20 gauge wire with 4-wire configuration
• Radiused polygon male connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 34.96 inches

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 specific vehicle applications. The line emphasizes precise fitment and quality construction, ensuring compatibility and durability for emission sensors like the 350-34005.

Product Features and Specifications

The Walker 350-34005 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving emission readings and engine efficiency. Its 4-wire design includes two wires for the heater circuit and two for the sensor signal, supporting stable and accurate data transmission. The 31.42-inch wiring harness length offers flexibility during installation, while the radiused polygon male connector ensures a secure and reliable electrical connection. The sensor mounts via an 18.0 mm threaded fitting, compatible with the exhaust system of the specified Audi models.

Common Applications and Problem Resolution

• Helps correct inaccurate air-fuel mixture readings
• Resolves engine performance issues related to faulty oxygen sensors
• Reduces emissions by providing accurate feedback to the engine control unit
• Prevents check engine light triggers caused by sensor failure
• Improves fuel economy by maintaining proper combustion

Installation Notes and Tips

When installing the Walker 350-34005 oxygen sensor, ensure the vehicle is compatible with this specific part number. Use proper tools to avoid damaging the threaded mounting or connector. Verify the wiring harness length and connector type match the vehicle’s existing setup. It is recommended to replace the sensor when the engine is cool to prevent burns and to apply anti-seize compound on the threads if not pre-applied.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors undergo rigorous testing to meet emission control standards and ensure durability. The 350-34005 part number is manufactured to precise specifications for Audi A6 Quattro, A8, and A8 Quattro models. Warranty coverage details should be confirmed with the product documentation or supplier, as it may vary by region.