Delphi ES10947 Oxygen Sensor - Rear

Delphi Oxygen Sensor ES10947 Overview

The Delphi ES10947 oxygen sensor is designed specifically for the rear position on Lexus LS400 models. This non-heated sensor features a two-wire configuration and a square connector shape, ensuring precise fitment and reliable emission control performance.

• Non-heated oxygen sensor type for rear exhaust monitoring
• Two-wire design compatible with Lexus LS400
• Square connector shape for secure electrical connection
• Thread size of 18 x 1.5 mm for proper installation
• Overall length of 450.0 mm to match factory specifications
• Includes oxygen sensor and instruction sheet

Detailed Product Description

The Delphi ES10947 oxygen sensor is engineered to meet the emission control requirements of the Lexus LS400. Its non-heated sensor type is suitable for rear exhaust placement, where temperature conditions differ from front sensors. The two-wire design simplifies installation and wiring compatibility. The square connector shape ensures a firm and accurate connection to the vehicle’s harness, reducing the risk of electrical faults. With a thread size of 18 x 1.5 mm and an overall length of 450.0 mm, this sensor matches the original equipment specifications for seamless replacement.

Common Applications and Issues Addressed

• Helps maintain optimal air-fuel mixture for efficient combustion
• Reduces harmful emissions by providing accurate exhaust gas readings
• Prevents check engine light triggers related to oxygen sensor faults
• Improves fuel economy by ensuring proper sensor feedback
• Supports emission system compliance for Lexus LS400 vehicles

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate tools for the 18 x 1.5 mm thread size to prevent damage
• Verify the square connector aligns correctly with the vehicle harness
• Follow the included instruction sheet for proper installation steps
• Check for exhaust leaks after installation to ensure sensor accuracy

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet strict quality standards for durability and performance. The ES10947 part number undergoes rigorous testing to ensure compatibility with Lexus LS400 emission systems. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects to provide confidence in product reliability.