Delphi ES10940 Oxygen Sensor - Front

Delphi Oxygen Sensor ES10940 Overview

The Delphi Oxygen Sensor ES10940 is designed for precise emission control in select Acura and Honda vehicles. Engineered to meet OEM specifications, this sensor ensures accurate air-fuel mixture readings for optimal engine performance and reduced emissions.

• Wire Quantity: 4 wires for reliable signal transmission
• Connector Shape: Square connector for secure and proper fitment
• Thread Size: 18 x 1.5 mm for direct replacement installation
• Overall Length: 610.0 mm to accommodate front position mounting
• Package Contents: Includes oxygen sensor and instruction sheet for installation guidance
• Position: Designed specifically for front placement in exhaust system

Technical Details and Compatibility

This oxygen sensor, part number ES10940, is compatible with Acura and Honda models, including the Accord and TSX. The 4-wire design supports heated sensor operation, improving response time and durability. The square connector shape ensures a secure electrical connection, reducing the risk of signal loss or corrosion. With a thread size of 18 x 1.5 mm and an overall length of 610 mm, this sensor fits the front position of the exhaust system, making it a direct replacement for factory-installed sensors.

Common Applications and Problem Solving

• Helps correct inaccurate air-fuel mixture readings
• Reduces engine misfires and rough idling
• Improves fuel efficiency by optimizing combustion
• Prevents increased emissions and failed emissions tests
• Resolves check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

Before installation, ensure the vehicle is cool to avoid burns. Use the included instruction sheet for proper sensor orientation and torque specifications. The 18 x 1.5 mm thread size matches factory fittings, allowing for straightforward replacement. Verify the square connector aligns correctly with the vehicle harness to prevent electrical issues. It is recommended to inspect wiring and connectors for damage before installation.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The ES10940 part number undergoes rigorous testing to comply with emission control requirements. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects. Refer to the product documentation for exact warranty terms.