Walker 350-34029 Oxygen Sensor - Downstream or Upstream

Overview of Walker 350-34029 Oxygen Sensor

The Walker 350-34029 oxygen sensor is designed specifically for select Audi and Volkswagen models, including the A4, A4 Quattro, Cabrio, Golf, Jetta, Passat, Pointer, and Pointer Truck. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.

• Heated sensor type for faster response times
• Specific fit for Audi and Volkswagen vehicles
• 42.44-inch wiring harness length for flexible installation
• 20 gauge wire with 4-wire configuration
• Radiused polygon male connector for secure connection
• Threaded mounting with 18.0 mm thread diameter
• Overall length of 45.98 inches for proper fitment

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 350-34029.

Product Features and Specifications

The Walker 350-34029 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving emission readings shortly after engine start. The 4-wire design includes two wires for the heater circuit and two for the sensor signal, supporting stable and accurate data transmission. The wiring harness length of 42.44 inches offers sufficient reach for installation in the engine bay, while the radiused polygon male connector ensures a secure and corrosion-resistant connection. The sensor mounts via an 18.0 mm threaded fitting, compatible with the exhaust system of the specified Audi and Volkswagen models.

Compatible Vehicles and Applications

• Compatible with Audi A4 and A4 Quattro models
• Fits Volkswagen Golf, Jetta, Passat, Cabrio, Pointer, and Pointer Truck
• Designed for emission control sensor replacement
• Helps maintain proper air-fuel ratio for engine efficiency
• Supports compliance with emission standards

Installation Notes and Tips

• Ensure vehicle compatibility by verifying model and year before installation
• Use appropriate tools to avoid damaging the threaded mounting
• Check connector orientation; the radiused polygon male connector must align correctly
• Inspect wiring harness length to confirm routing without tension
• Allow engine to cool before sensor removal or installation

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet OEM specifications for fit and function. The 350-34029 part number undergoes rigorous quality control to ensure reliable performance in emission control systems. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to support long-term use.