Delphi ES10944 Oxygen Sensor - Front

Delphi Oxygen Sensor ES10944 Overview

The Delphi Oxygen Sensor ES10944 is designed for precise emission control in select Toyota vehicles. Engineered with a 4-wire configuration and a square connector, this sensor ensures accurate oxygen level readings to optimize engine performance and reduce emissions.

• 4-wire oxygen sensor for reliable signal transmission
• Square connector shape for secure and proper fitment
• Thread size of 18 x 1.5 mm compatible with OEM specifications
• Overall length of 310.0 mm for correct installation depth
• Includes oxygen sensor and instruction sheet for installation guidance
• Positioned for front placement in the exhaust system

Technical Details and Compatibility

The Delphi ES10944 oxygen sensor is specifically designed for front exhaust system installation on Toyota 4Runner, Tacoma, and Tundra models. Its 4-wire design supports heated sensor operation, improving response time and durability under varying engine conditions. The 18 x 1.5 mm thread size matches factory specifications, ensuring a secure and leak-free fit. The square connector shape facilitates proper electrical connection, reducing the risk of misalignment or damage during installation. With an overall length of 310.0 mm, this sensor fits precisely in the designated mounting location to provide accurate oxygen level readings.

Applications and Problem Resolution

• Helps maintain optimal air-fuel mixture for efficient combustion
• Reduces harmful emissions by providing accurate feedback to the engine control unit
• Addresses issues such as rough idling and poor fuel economy caused by faulty oxygen sensors
• Prevents check engine light triggers related to oxygen sensor malfunctions
• Supports compliance with emission regulations for Toyota 4Runner, Tacoma, and Tundra vehicles

Installation Notes and Tips

When installing the Delphi ES10944 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the included instruction sheet for proper wiring and torque specifications. Verify the square connector is fully seated to prevent electrical issues. It is recommended to apply anti-seize compound on the threads to facilitate future removal. Confirm the sensor is installed in the front position of the exhaust system as specified for your Toyota model.

Quality Assurance and Warranty

Delphi manufactures the ES10944 oxygen sensor to meet or exceed OEM standards for durability and performance. Each sensor undergoes rigorous testing to ensure reliable operation under demanding 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.