Delphi ES20164 Oxygen Sensor - Front, Rear, Rear Left or Rear Right

Delphi Heated Oxygen Sensor for Audi and Volkswagen Vehicles

The Delphi ES20164 oxygen sensor is designed to provide accurate emissions monitoring for select Audi and Volkswagen models. This heated oxygen sensor ensures optimal engine performance and emissions control by delivering precise air-fuel mixture data to the vehicle's engine management system.

• Heated sensor type for faster warm-up and improved accuracy
• 4-wire design with a flat connector shape for reliable electrical connection
• Thread size of 18 x 1.5 mm for secure installation
• Overall length of 1690 mm to fit rear positions
• Includes oxygen sensor and instruction sheet for installation guidance
• Position-specific fitment for rear, rear left, and rear right locations

Technical Details and Compatibility

The Delphi ES20164 oxygen sensor features a heated element that allows the sensor to reach operating temperature quickly, reducing emissions during cold starts. Its 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance. The flat connector shape simplifies wiring connections, while the 18 x 1.5 mm thread size matches OEM specifications for a secure fit. With an overall length of 1690 mm, this sensor is designed for rear placement on compatible vehicles.

This oxygen sensor is compatible with a range of Audi and Volkswagen models, including Audi A4, A4 Quattro, A6, A6 Quattro, A8 Quattro, Allroad Quattro, RS6, S4, S6, and S8, as well as Volkswagen Passat. The part number ES20164 ensures you receive the correct sensor for these specific applications.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces emissions by providing accurate oxygen level readings
• Prevents engine performance issues related to faulty sensors
• Resolves check engine light triggers caused by oxygen sensor faults
• Improves fuel economy by enabling precise engine adjustments

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate tools to avoid damaging the sensor or threads
• Verify sensor position matches rear, rear left, or rear right as required
• Follow the included instruction sheet for proper wiring and torque specifications
• Check for any exhaust leaks after installation to ensure sensor accuracy

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM standards for durability and performance. The ES20164 part undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship to provide confidence in your purchase.