Walker 350-33064 Oxygen Sensor - Upstream Left or Upstream Right

Overview of Walker 350-33064 Oxygen Sensor for Audi A4

The Walker 350-33064 oxygen sensor is designed specifically for Audi A4 and A4 Quattro models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated oxygen sensor with 3-wire design
• Specific fit for Audi A4 and A4 Quattro
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Wiring harness length of 14.29 inches and overall length of 17.83 inches
• Wire gauge measurement of 20 for reliable signal transmission

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-33064) is engineered to meet the exact specifications required by Audi A4 and A4 Quattro vehicles. Featuring a heated sensor type, it quickly reaches operating temperature to provide accurate oxygen level readings. The sensor includes a 3-wire configuration with a radiused polygon male connector, ensuring a precise and secure fit. Its threaded mounting type with an 18.0 mm diameter allows for straightforward installation and reliable sealing within the exhaust system. The wiring harness length of 14.29 inches and overall length of 17.83 inches are designed to match factory dimensions, facilitating a direct replacement without modification.

Applications and Common Issues Addressed

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces harmful emissions by providing accurate feedback to the engine control unit
• Resolves engine performance problems related to faulty oxygen sensors
• Prevents check engine light triggers caused by sensor failure
• Improves fuel economy by ensuring optimal sensor operation

Installation Notes and Tips

When installing the Walker 350-33064 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Confirm the connector matches the radiused polygon male design for a secure electrical connection. Follow torque specifications recommended by Audi to prevent leaks or sensor damage. It is advisable to inspect wiring and connectors for corrosion or damage before installation.

Quality Assurance and Warranty

Walker Products Aftermarket parts are manufactured to meet or exceed OEM standards. The 350-33064 oxygen sensor 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 functionality.