Delphi ES20118 Oxygen Sensor - Front, Rear, Rear Left or Rear Right

Delphi ES20118 Heated Oxygen Sensor Overview

The Delphi ES20118 is a heated oxygen sensor designed for precise emission control in select Lexus, Pontiac, and Toyota vehicles. Engineered with a 4-wire configuration and a square connector shape, this sensor ensures accurate air-fuel mixture readings for optimal engine performance.

• Heated oxygen sensor with 4 wires for fast response
• Square connector shape for secure and reliable connection
• Thread size of 18 x 1.5 mm for proper fitment
• Overall length of 350.0 mm to accommodate various mounting positions
• Includes oxygen sensor and instruction sheet for installation guidance
• Compatible with front, rear, rear left, and rear right positions

Technical Details and Compatibility

The Delphi ES20118 oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving emission control efficiency. Its 4-wire setup supports both sensor heating and signal transmission, enhancing durability and accuracy. The square connector shape ensures a secure fit with factory wiring harnesses, while the 18 x 1.5 mm thread size matches OEM specifications for a proper seal. With an overall length of 350 mm, this sensor fits multiple mounting locations including front and rear positions, making it suitable for various applications.

This oxygen sensor is compatible with a range of Lexus, Pontiac, and Toyota models such as the Avalon, Camry, Corolla, Echo, GS300, Matrix, MR2 Spyder, Prius, RAV4, Solara, Tacoma, Venza, and Vibe. The part number ES20118 should be referenced to confirm fitment for specific vehicle years and engine types.

Common Applications and Problem Resolution

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces emissions by providing accurate oxygen level data to the engine control unit
• Addresses issues like rough idling and poor fuel economy caused by faulty sensors
• Prevents check engine light triggers related to oxygen sensor faults
• Improves overall engine performance and responsiveness

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use the correct 18 x 1.5 mm thread size socket or wrench for installation
• Verify the sensor position (front, rear, left, or right) matches the original sensor location
• Follow the included instruction sheet for wiring and connector alignment
• Check for proper torque specifications to avoid sensor damage or exhaust leaks

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet or exceed OEM standards for durability and performance. The ES20118 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 to provide confidence in product quality.