Delphi ES11079 Oxygen Sensor - Front or Front Left

Delphi ES11079 Oxygen Sensor Overview

The Delphi ES11079 oxygen sensor is designed for precise emission control in select Audi and Volkswagen models. Featuring a 5-wire configuration and an oval connector, this sensor ensures accurate air-fuel mixture readings for optimal engine performance.

• 5-wire oxygen sensor for reliable signal transmission
• Oval connector shape for secure and proper fitment
• Thread size of 18 x 1.5 mm compatible with specified vehicles
• Includes oxygen sensor and instruction sheet for installation guidance
• Positioned for front or front left installation depending on vehicle

Technical Details and Compatibility

The Delphi ES11079 oxygen sensor is engineered to meet the emission control requirements of various Audi and Volkswagen vehicles, including the A3 Quattro, A4, A4 Quattro, Beetle, Eos, Golf, Jetta, Passat, Phaeton, R32, S6, and TT Quattro. Its 5-wire design supports heated sensor operation, improving response time and durability. The oval connector shape ensures a secure electrical connection, while the 18 x 1.5 mm thread size matches OEM specifications for straightforward installation. This sensor is intended for front or front left positions, but users should verify the exact location based on their vehicle's configuration.

Common Applications and Problem Resolution

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces harmful emissions by providing accurate oxygen level data
• Addresses engine performance issues such as rough idling or hesitation
• Prevents check engine light triggers related to oxygen sensor faults
• Supports fuel economy by enabling precise engine management

Installation Notes and Tips

Before installation, confirm the sensor position specific to your Audi or Volkswagen model. Use appropriate tools to avoid damaging the 18 x 1.5 mm threaded sensor during removal or installation. Ensure the oval connector is fully seated to maintain proper electrical contact. Follow the included instruction sheet for torque specifications and wiring guidance. It is recommended to inspect the exhaust system for leaks or damage that could affect sensor performance.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet strict quality standards for emission control components. The ES11079 part number undergoes rigorous testing to ensure durability and accurate sensor output. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship. Refer to the product documentation or supplier for exact warranty terms.