Delphi ES20367 Oxygen Sensor - Center Right, Rear, Rear Left or Rear Right

Delphi ES20367 Heated Oxygen Sensor Overview

The Delphi ES20367 is a heated oxygen sensor designed for precise emission control in select Audi and Volkswagen models. Engineered with a 4-wire configuration and a flat connector shape, this sensor ensures accurate air-fuel mixture readings for optimal engine performance.

• Heated oxygen sensor with 4 wires for reliable operation
• Flat connector shape for secure and easy installation
• Thread size of 18 x 1.5 mm compatible with specified vehicles
• Overall length of 470.0 mm for proper fitment
• Includes oxygen sensor and instruction sheet for installation guidance
• Compatible with multiple positions: center right, rear, rear left, and rear right

Technical Details and Compatibility

The Delphi ES20367 oxygen sensor features a heated element that allows it to reach operating temperature quickly, improving sensor response time and reducing emissions during cold starts. Its 4-wire design 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 factory specifications for a secure fit. With an overall length of 470 mm, this sensor fits precisely in designated mounting locations including center right, rear, rear left, and rear right positions.

This oxygen sensor is compatible with a range of Audi and Volkswagen vehicles, including Audi A6 Quattro, A8 Quattro, RS5, S5, S6, S8, and Volkswagen models such as CC, Eos, Jetta, Passat, Q7, R32, and Touareg. The part number ES20367 ensures you receive the correct sensor for these specific applications.

Common Applications and Problem Resolution

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces engine misfires caused by faulty oxygen sensor readings
• Prevents increased emissions and failed emissions tests
• Improves fuel economy by providing accurate feedback to the engine control unit
• Addresses check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Delphi ES20367 oxygen sensor, ensure the engine is cool to avoid burns. Use the included instruction sheet for proper wiring and torque specifications. Verify the sensor’s position matches the vehicle’s designated mounting location (center right, rear, rear left, or rear right). Avoid damaging the sensor’s wiring harness and connector during installation. It is recommended to use anti-seize compound on the threads to facilitate future removal.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM standards for durability and performance. The ES20367 part number 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. Refer to the product documentation for exact warranty terms.