Walker 350-34070 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Overview of Walker 350-34070 Oxygen Sensor

The Walker 350-34070 oxygen sensor is designed specifically for select Audi and Volkswagen models, including the Bora, Golf, Jetta, RS5, S5, S6, and S8. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.

• Heated sensor type for faster warm-up and accurate readings
• Specific fit for Audi and Volkswagen vehicles
• 16.06-inch wiring harness length for proper installation
• 22 gauge wire measurement with 4 wires for reliable signal transmission
• Radiused polygon male connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 19.61 inches for compatibility with designated models

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 Audi and Volkswagen vehicles.

Product Description and Specifications

The Walker 350-34070 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its 4-wire design includes a dedicated heater circuit and signal wires, ensuring accurate oxygen level readings. The 16.06-inch wiring harness length and radiused polygon male connector facilitate straightforward installation and secure electrical connection. The sensor’s threaded mounting type with an 18.0 mm diameter matches factory specifications for a proper seal and fit.

Applications and Problem Solving

• Helps correct engine misfires caused by faulty oxygen sensors
• Reduces rough idling and poor acceleration issues
• Improves fuel economy by providing accurate air-fuel ratio data
• Prevents increased emissions and failed emissions tests
• Resolves check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

Ensure the vehicle is cool before removing the old sensor to avoid burns. Use an oxygen sensor socket or appropriate tool to remove and install the sensor. Verify the connector type matches the vehicle harness to avoid electrical issues. Follow torque specifications for the 18.0 mm threaded mount to prevent leaks or damage. Inspect wiring for any damage before installation.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards for durability and performance. The 350-34070 part number undergoes rigorous testing to ensure compatibility with specified Audi and Volkswagen models. Warranty coverage details should be confirmed with the product documentation or supplier.